Fluke 5020A manual

® 5020A Thermo-H ygrom eter Users Manual December 2 003 © 2003 Fluke C orporation, All rights reserved. All product names a re tradem arks of t heir respective com panies.[...]

LIMITED WARRA NTY AND LIMITATION O F LIABILITY Each Fluke pr oduct i s warrant ed to be fr ee from d efects in materia l and w orkmansh ip under norm al use and service. T he warranty period i s one year and beg ins on t he date of sh ipment. P arts, pro duct repair s, and services ar e warranted for 90 days. T his warranty ex tends o nly to th e o[...]

i Table of Contents Chap ter T itle Page 1 Introduction and Sp eci ficati ons ........................................................ 1-1 Introducti on ........................................................................................................ 1-3 Symbols Used ...........................................................................[...]

5020A Users Manual ii 4 Gene ral Op era tion .............................................................................. 4-1 Introducti on ........................................................................................................ 4-3 DC Power Source....................................................................................[...]

Contents (c ontinued) iii IR ............................................................................................................... 5-32 Password ........................................................................................................ 5-32 System Info..........................................................................[...]

5020A Users Manual iv[...]

v List of Tables Tabl e Tit l e Pag e 5-1. Field Types ............................................................................................................. 5 - 10 5-2. Aproxim a te Data Storage Capacity ........................................................................ 5-15 6-1. I nterface Commands ...................................[...]

5020A Users Manual vi[...]

vii List of Figures Figure Title Page 3-1. Front Panel ............................................................................................................. 3 -3 3-2. Top Panel ............................................................................................................... 3 -4 3-3. Right and Left S ide View .................[...]

5020A Users Manual viii 5-32. File View ................................................................................................................ 5-24 5-33. Alarm .................................................................................................................... .. 5-25 5-34. Alarm Se tting ..................................[...]

1-1 Chapter 1 Introduction and Specifications Tit l e Pag e Introducti on ........................................................................................................ 1-3 Symbols Used .................................................................................................... 1-4 Safety Inform ation .............................[...]

5020A Users Manual 1-2[...]

Introduction and Specifications Introduct ion 1 1-3 Introduct ion This m anual con tains info rmation necess ary safely op erate the Fluke 5020A T herm o- Hygrom eter. The Fluke 5020A is a low -cost, hig h-accuracy , digital therm o-hygrom eter. Its unique combinati on of features m akes it suitab le for a wide va riety of applica tions from labora[...]

5020A Users Manual 1-4 Symbo ls Used Table 1- 1 lists the I nternational Electr ical Sym bols. Some or all of these sym bols may be used on the in strument or in this m anual. Table 1-1. Inter national Electrical Sy mbols Sy mbol Description B AC (Alternating Current) D AC-DC M Battery P CE Compl ies with Europe an Union Direct ives F DC (Direct Cu[...]

Introduction and Specifications Safety Infor mation 1 1-5 • The AC adapter can present safety concerns if misused or damaged. To av oi d the risk of e lectric shock or fire, do not use the A C ada pter outdoors or in a dusty, dirty, or wet environment. If t he cord, case, or plug of the adapter is damaged in any w ay , disconti nue its use immedi[...]

5020A Users Manual 1-6 • Sensors are fragile devices w hich can be damaged by mechanical shock, overheating, and exposure to fluids. Damage may not be v i sibly apparent but can c ause drif t, instability, and loss of accuracy . Observe the following precautions: • DO NOT allow sensors to be dropped, struck, or stressed. • DO NOT ov erheat se[...]

Introduction and Specifications Specific atio ns 1 1-7 Specifi cations Temperatur e Range 0 °C to 50 °C Temperatur e Accuracy (“H” Model) 16 °C to 24 °C: ±0 .125 °C (calibrated) 0 °C to 16 °C, 24 °C to 50 °C: ±0.5 °C (uncalibra ted typical) Temperatur e Accuracy (“S” Model) 15 °C to 35 °C: ± 0.25 °C ( c alibrated) 0 °C to 1[...]

5020A Users Manual 1-8 Size (5020A) 125 mm Hx 211 mm W x 51 mm D(4.9 in x 8.3 in x 2.0 in) Size (Probes) 79 mm H x 19 mm dia. (3.1 in H x 0.75 in) Weight 0.7 kg (1.5 lb .) Calibration Certificate of N IST-traceable temper ature and humid ity calibrat ion included; sup plied data includes three each temperatur e and humidity po ints Environme ntal C[...]

2-1 Chapter 2 Quick Start Tit l e Pag e Introducti on ........................................................................................................ 2-3 Unpacking .......................................................................................................... 2-3 Use Proper Care ..................................................[...]

5020A Users Manual 2-2[...]

Quick Sta rt Introduct ion 2 2-3 Introduct ion This sec tion briefly expl ains the bas ics of setting up and operating y our thermo- hygrom eter. Unp acking Careful l y unpack the thermo- h ygrometer a nd inspect t he instrument to m ake sure all components a re present and in satisfactory condition. Verify that the foll owing item s are present: ?[...]

5020A Users Manual 2-4 Con nect the P ower Source The therm o-hygrom eter draws power from the pr ovide d power adapter. Plug the adapter into a wall ou tlet of the app ropriate volt age and insert t he DC plug into the DC po wer input of the therm o -hyg ro meter. Switch the Po wer On Power is turne d on and off with the power sw itch located be l[...]

3-1 Chapter 3 Parts and Controls Tit l e Pag e Introducti on ........................................................................................................ 3-3 Front Panel ......................................................................................................... 3-3 Top Panel ................................................[...]

5020A Users Manual 3-2[...]

Parts and Controls Introduct ion 3 3-3 Introduct ion The functions of the var ious features of the the rmo-hygrom eter are described belo w. Front Pane l The front panel butt ons E , A , D , B , C and F are used to select and alt er the function s of th e thermo- h ygrom eter (se e Figure 3-1). avu052.tif Figure 3-1. Front P a nel The button s have[...]

5020A Users Manual 3-4 B C - T hese buttons a re used to chang e a value or op tion w hen editing a pa rameter. When editing som e numeric or al pha-numeric param eters, these bu ttons are used to move amon g d igi ts or char a cter s. IR Port - The infrared wind ow provides a m eans for comm unicating with the therm o - hygrom eter using infrared [...]

Parts and Controls Left Side Panel 3 3-5 avu054.tif Figure 3-3. Right and Left Side Vie w Left Side Panel The left side panel cons ists of th e DC power socket, th e RS-232 port and the data card slot. 12 V DC Power Socket - The DC plug of the AC adapte r plugs into t he 12V D C power sock et to power th e instrument. RS-232 Port Connector - This s[...]

5020A Users Manual 3-6 Battery Compartme nt - The ba ttery com partment h olds a 9V alk aline batte ry used a s a backup power sou rce to maintain conti nuous measu rement during a powe r outage. Power Switch - The power sw itch turns the power o n and off to the thermo- hygrom eter, including pow er from the ba ttery. Before disconnecti ng the AC [...]

Parts and Controls Accessori es 3 3-7 • Model 5026A- S Spare Sensor/Stand ard Accuracy • Model 5027A- S Spare Sensor Ki t inclu des a standa rd accuracy probe (Model 5026A- S), sensor cas e (Model 502 6A-CASE), sensor wall mount bracket (Model 5030A- MNT), and 25- foot (7.6 m) exten sion cable (Model Y5028) • Model 5026A- H Spare Sensor/Hig h[...]

5020A Users Manual 3-8[...]

4-1 Chapter 4 General Operation Tit l e Pag e Introducti on ........................................................................................................ 4-3 DC Power Source............................................................................................... 4-3 Battery...........................................................[...]

5020A Users Manual 4-2[...]

Genera l Operation Introduct ion 4 4-3 Introduct ion This sec tion explains b asic operation o f the therm o -hyg ro meter. De tailed ope ration of the thermo- hygrometer is explained in Chapters 5 and 6. Chapter 5 expl ains the menu structu r e and the functio ns availab l e in the menu struct ure and Chapter 6 explains the comm unications interfa[...]

5020A Users Manual 4-4 Used batter ies must be disp osed of properly . See Warnings at the beginning of th is manual. Sensor Conf igurat ion The therm o-hygrometer c an be used with on e or two sensor s of either type attached at either of the two ports. Ext ension cables can b e used with the se nsors to allow the sensors to be placed at remote lo[...]

Genera l Operation Unit of Temperatur e 4 4-5 Unit of Tempe rature The therm o-hygrom eter is capable of d isplaying tem perature in C elsius (C) or Fa hrenheit (F). The un it of tem peratur e applie s to tem perature m easurements on eit her chan nel that are display ed, recorded, or printed. Reco rded data i s viewed, printed, or wr itten to a da[...]

5020A Users Manual 4-6 objects cann ot be elim inated, consider us ing a heat shield b etween the heat source and the thermo- hygrometer sens or. The sensor can also be hea ted by warm objects c lose by, perhaps a wall that is slig htly warmer than the air in th e room or even another senso r placed ne xt to it. For be st results, allow adeq uate d[...]

5-1 Chapter 5 Menu Functions Tit l e Pag e Introducti on ........................................................................................................ 5-3 Channel Menu .................................................................................................... 5-3 Channel Setting ..................................................[...]

5020A Users Manual 5-2 Comm Setting ................................................................................................ 5-30 Serial ......................................................................................................... 5-31 IR ...........................................................................................[...]

Menu Functions Introduct ion 5 5-3 Introduct ion Select the E bu tton from the front panel to access the main menu of the thermo- hygrom eter. The main m enu consists of the subm enus: CHANNEL , DISPLAY , DATA , ALARM , and SYSTEM . Most of the m enu options may be password- protected to prevent them from being chang ed. avu001.j pg Figure 5-1. M a[...]

5020A Users Manual 5-4 avu004.j pg Figure 5-3. Chan nel Menu Channel Setti ng The CHANNEL SETT ING function allows you to turn the channels on or off, se t the measurem ent period, turn a veraging on or of f, and set t he time over which t he rate of change is calcu lated for m easurements. These setti ngs may be password- protected to p revent t h[...]

Menu Functions Channel Menu 5 5-5 avu005.j pg Figure 5-4. Chan nel Setting Use the A D butto ns to select th e setting to chang e. The B C button s are used t o chang e the setting parameter s. Pres s the E but t on to sav e the new se tting. Press th e F button to cancel any changes and exit to the menu. Sensor ID The SENSOR ID function allows eac[...]

5020A Users Manual 5-6 Sensor Lock The SENSOR LOCK function lock s each sensor indiv idually and prohib its the user from switching sen sors on the lo cked channels. This may be password- protected. The s ensor lock is set to ON or OFF. After s electing O N, a screen is dis played showing the se nsor channel num ber, serial number, a nd the m e ssa[...]

Menu Functions Displa y Menu 5 5-7 avu009.j pg Figure 5-7. Sen sor Channel Select The B C buttons a re used to edit the param e ter value. The A D buttons a re used to m o ve between param eters. Press t he E button a fter all of th e parameters hav e been edited. The m essage ‘STORE VA LUES’ is display ed. Press the E butto n t o s ave th e ne[...]

5020A Users Manual 5-8 avu010.j pg Figure 5-9. Di splay Menu Display Setting The DISPLAY SETTI NG f unction allows you to sel ect the temperat ure display resolution (T RES), humidity display resolution (H RES), decim al preference, unit of temperatu re and display contrast. Thes e settings m ay be password- protected. The tem perature an d humidit[...]

Menu Functions Displa y Menu 5 5-9 Display Layout The DISPLAY LAYOUT f unction allows you configure any of the 16 different display layouts. These sett ings may be password- protected. A disp lay layout can b e enabled or disabled by choosing ON or OFF. ON allows the d i splay to be selected from the main screen using the B C buttons. The num ber o[...]

5020A Users Manual 5-10 Table 5-1. Fi eld Ty pes Field Ty pe Description Blank blank field DATE curren t date TIME current time ID sensor identifi cation SERN se nso r se rial num ber TEM P most recent temperat ure measureme nt T RATE temperatur e rate of change T AVE temperature st atistical mean T STD temperatur e standard dev iation T MI N minim[...]

Menu Functions Displa y Menu 5 5-11 avu013.j pg Figure 5-12. F ield Data Use the B C buttons to cha nge each of the se ttings. Press E to save and continu e to the next param eter. Press th e F butt on to cancel any changes and exit to the menu. Graph Scale The GRAPH SCALE function allow s the selection o f the graph setting s for each z one (1, 2,[...]

5020A Users Manual 5-12 avu014.j pg Figure 5-13. G raph Scale , Select Zone avu015.j pg Figure 5-14. G raph Scale Use the E b utton to edit and save the new s etting. Pr ess F button to canc el any changes and exit to the m enu. On the last param eter, pr ess the E butto n to exit to the menu. Display Reset The DISPLAY RESET function allows all dis[...]

Menu Functions Data Menu 5 5-13 avu016.j pg Figure 5-15. Dis pla y Reset Data Menu The DATA m enu contains func tions for reco rding m ea surement d ata and statistics as well as t r ansferr ing data to the data ca rd. The functions tha t appear in this m enu are DATA RECORD, DAILY STATS, and DATA CARD. avu017.j pg Figure 5-16. Dat a Menu Use the A[...]

5020A Users Manual 5-14 Caution When d ata re cording memory fills up , the ear liest bloc k of da ta is automatically discarded so recording of t he most recen t data can continue. Data Record The DATA RECORD function allows the setting of th e data recording fe atures. The functions that appear in this menu are RECORD SETTING, DATA VIEW, DATA PRI[...]

Menu Functions Data Menu 5 5-15 Caution When the memory has been filled, t he oldest block o f data will be discarded to allo w new data to be reco rded. Measurem ent storage cap acity can range be tween 28 hours and 2 years depend ing on the record peri od and enabled c hannels. Refer to Table 5- 2, Approximate Data Sto rage Capacity . Table 5-2. [...]

5020A Users Manual 5-16 avu020.j pg Figure 5-19. Dat a View, Begi n Time avu021.j pg Figure 5-20. Dat a View, Numeric Format The num eric mode di splays the data in a numeric fo rmat. The BEGIN param eter specifies the start i ng date and time of th e data to disp lay. Use the B C button s to adjust the sta rt date and tim e. The form at of the st [...]

Menu Functions Data Menu 5 5-17 Press th e E but t on to d isplay the data for the sele cted starting date and tim e in graphic al format. Pr ess the F butto n to cancel any chang es and exit to th e menu. Data Prin t The DATA PRINT functi on allows recorded data to be printed ov er the serial or I R port. The PO RT par ameter i s selectable betwee[...]

5020A Users Manual 5-18 avu023.j pg Figure 5-22. Dat a Storage Press th e E or F button to exit. Data Clear The DATA CLEAR function cl ears the da ta collected. This function may be password protected. avu024.j pg Figure 5-23. Dat a Clear Press th e E but t on to clea r the data. Pres s the F but t on to cance l any changes a nd exit to the m enu. [...]

Menu Functions Data Menu 5 5-19 any hour of the day and autom atically res et the sta tistics on any hour . Measurement statist ics are k ept as measur ements ar e made. The curr ent statisti cs can be display ed in any STATS ty pe zone. The sta tistics can also be stored automatically at the end of the day and reset automatically at the beg i nnin[...]

5020A Users Manual 5-20 avu026.j pg Figure 5-25. Stat s Setting The B C buttons a r e used to change the sett ing parameters. P ress the E but ton to save the new se tting. Pres s the F button t o cancel any ch anges and to exit to the menu. Stats View The STATS VI EW function is u s ed to v iew daily s tatistics. Sele ct a date a nd measurem ent c[...]

Menu Functions Data Menu 5 5-21 avu028.j pg Figure 5-27. Stat s Print Press th e E but ton to sav e the new setting . Press the F bu tton to cance l any ch anges and exit to the menu. Stats Reset The STATS RESET fun ction resets cu rrent statist ics. Stat istics wi ll then be based on measurem ents made from this time forwa rd. After p ressing the [...]

5020A Users Manual 5-22 avu030.j pg Figure 5-29. Stat s Clear Data Card The DATA CARD function allows da ta to be written to a file on a dat a card or da ta in a binary (.re c) file to be v iewed. The DA T A CARD options are FI LE WRITE and FILE VI EW. avu031.j pg Figure 5-30. Dat a Card The A D and E but t ons are u sed to select the m enu functio[...]

Menu Functions Data Menu 5 5-23 avu032.j pg Figure 5-31. F ile Write Note In order to v iew the data us ing the thermo -hygrometer or th e LogWare III software, the data must be saved in BINARY format. Set the BEGI N parameter to the beg inning date and tim e of the data tha t is to be writ ten to a data card. Set the EN D paramete r to the ending [...]

5020A Users Manual 5-24 avu033.j pg Figure 5-32. F ile View To view a file select the fil e to open by using the A D butt ons and press E . You m a y choose between n umeric and g raphic form at. To view data in numeric form at, select NUMERIC in the m ode field using the A D buttons and press E . Use the du butto ns to scro ll throug h the data (y[...]

Menu Functions Alarm Menu 5 5-25 avu034.j pg Figure 5-33. A larm The A D buttons a re used to sele ct the menu op tion. T he B C button s are used to chang e the param eter setting . Press the E button to sav e the new se tting. Press th e F button to cancel any changes made and exit to the menu. Alarm Setting The ALARM SETTI NG fu nction is used t[...]

5020A Users Manual 5-26 Sensor Alarm The SEN SOR ALAR M functi on allows the setting of the alarm param eters for e ach channel. To set al arm parameter s, a channel number a nd measurem ent type (T or H) m ust first be selected us ing B C and ENTER butto ns. avu036.j pg Figure 5-35. Sensor A larm The PARAM param eter is selec table betwe en 1/T, 1[...]

Menu Functions System Menu 5 5-27 avu037.j pg Figure 5-36. Sy stem Alarm The A D buttons a re used to sele ct the menu op tion. T he B C button s are used to chang e the param eter setting . Press the E button to sav e the new se tting. Press th e F button to cancel any changes and exit to the menu. Alarm Vi ew The ALARM VIEW fun ction displays ala[...]

5020A Users Manual 5-28 avu039.j pg Figure 5-38. Sy stem Menu The A D buttons a re used to sele ct the menu op tion. T he B C button s are used to chang e the param eter setting s. Press the E button to save t he new setting. Pres s the F butt on to cancel any changes and exit to the menu. System Setting The SYSTEM SETTI NG function allows you to c[...]

Menu Functions System Menu 5 5-29 Date Time The DATE TIME func tion is used for s etting the tim e -of- day clock, tim e format, date, and date form at. This m ay be password protected using the TI ME password param eter in the PASSWORD menu fun c tions. When this function is sele cted availa ble paramet ers are HOUR, MINUTE, SECOND, T FORM, DAY, M[...]

5020A Users Manual 5-30 occur with th e North America day light saving mode if the daily stats record time is 01:00, since th is tim e will occur tw ice in one day . Another effe ct is with view ing data on a graph in real t ime. Data is pl otted on the graph sequential ly as m easurements are m ade and the graph is scrolled unifo rmly. No adjustm [...]

Menu Functions System Menu 5 5-31 avu042.j pg Figure 5-41. Comm Setti ng The B C but tons are used to cha nge the p ara mete r settin g. Pr ess the E bu tton to save the new se tting. Pres s the F button t o cancel any ch anges and exit to the menu. Serial When the SERI AL port is selec ted, the param eters for the se rial port are di splayed benea[...]

5020A Users Manual 5-32 serial port. Ec ho mode ON is useful when using termin al emulation sof t ware on a computer to com municate with the instrum e nt. Selecting OFF disables echoing . Echo mode OFF is com monly used when using control soft ware on the com puter. The SER PER par ameter allow s the user to select th e interval at which m easurem[...]

Menu Functions System Menu 5 5-33 avu045.j pg Figure 5-44. Pa ssword By default th e password is set to “5020A” when the in strument ship s from the fac tory. We recom mend the user chang es the default passwo rd to secure the pa ssword-protected settings. NOTE Keep your password in a secure loca tion. If an incorr ect password is ent ered, the[...]

5020A Users Manual 5-34 System Info The SYSTEM I NFO function displays information about the therm o-hygrom eter. T he inform ation includes th e manufa cturer, m odel number, serial number, f i rmware v ersion, boot version, and battery le vel. avu002.j pg Figure 5-45. Sy stem Info Press th e E but ton when y ou are done viewing the system inform [...]

6-1 Chapter 6 Digital Communications Interface Tit l e Pag e Introducti on ........................................................................................................ 6-3 Comm unications ................................................................................................ 6-3 Serial Wiring ...................................[...]

5020A Users Manual 6-2[...]

Digital Communications Interface Introduct ion 6 6-3 Introduct ion The comm unication featu re allow s an extern al device, such a s a computer, to comm unicate with the the rmo-hygrom eter readout to obtain measurem ent data and control ope ration settings. C ommunication is accomplished by issuing comm ands to the thermo- hygrometer rea dout thro[...]

5020A Users Manual 6-4 Interfac e Commands Command Su mmary An alphabe tical li sting of th e comm ands implemented by the thermo- hygrometer readou t are shown in T able 6- 1. T hese com mands can be used with e i ther se rial or IR comm unications ports. Command Syntax The therm o-hygrom eter readout accepts commands that se t parameters, ex ecut[...]

Digital Communications Interface Interface Com mands 6 6-5 *OPT? Returns co nfiguration options *RST Sets the instr ument operating parameters to defined conditio ns *SRE? Returns the S ervice Request Enable registe r *SRE <num> |MIN|M AX|DEF Sets the Servi ce Request Enable regis ter *STB? Returns the S tatus Byte re gister *TST? [<bool&g[...]

5020A Users Manual 6-6 ALARm:RHUMidity<chn >:SENSor:ENABle? Returns the state of the humidity sensor alarm enable for the speci fied channel ALARm:RHUMidity<chn>:SEN Sor:ENABle <bool> Enables or di s ables the humidity sensor alarm for t he specified chan nel ALARm:RHUMidity<chn >:UPPer? Returns the state of the high humidit[...]

Digital Communications Interface Interface Com mands 6 6-7 ALARm:TEM Perature<chn>:UPPer:ENABle? Returns the sta te of the high t emperature alarm enable for the specified channel ALARm:TEM Perature<chn>:UPPer:ENABle <bool > Enables or di sables the high t emperature alarm f or the specified chan nel ALARm:TEM Perature<chn>:[...]

5020A Users Manual 6-8 m>? CALCulate< chn>:PARam eter<num> : AVERerage<num>:CLEar Resets al l running stati stics CALCulate< chn>:PARam eter<num> : AVERerage<num>:DATA? Returns a ru nning stati stic for the s pecified c hannel CALCulate[ <chn>]:PARa meter<num> : AVERerage<num>:TY PE? Returns [...]

Digital Communications Interface Interface Com mands 6 6-9 specified chan nel DATa:REC ord:FREE? Returns the r ecording m emory usa ge DATa:REC ord:OPEN? Returns the number of byte s in the open data s et DATa:RECord:OPEN (<year>,<month >,<day>,<hour>,<minute >,<second>[, <year>,<month >,<day>,&[...]

5020A Users Manual 6-10 STATus:ALARm:ENABle <num>|MIN|M A X|DEF Sets the alarm status enable STATus:M EASure? Returns and cl ears the me asurement statu s event STATus:M EASure:CONDition? Returns the measureme nt status condition STATus:M EASure:ENABle? Returns the me asurement s tatus enabl e STATus:M EASure:ENABle <num>|MIN|MAX|DEF Se[...]

Digital Communications Interface Interface Com mands 6 6-11 SYSTem:FIRM ware:VERSion? Returns the system f i rmware v ersion SYSTem:KLO Ckout? Returns the sta te of the button panel lockout SYSTem:KLO Ckout <boo l> Enables or di sables the butt on panel lockout SYSTem:PASSw ord:ALARm ? Returns the sta te of the alarm setti ngs passw ord prote[...]

5020A Users Manual 6-12 Commands Table 4 lis t s the com mands in alphabet ical orde r. In this section t he commands are arranged in to the following groups: Alarm Commands - comm ands for alarm settings. alarm commands Measure ment Com m ands - co mmands for r eading measu rement data. Data Commands –comm a nds for set ting and reading data inf[...]

Digital Communications Interface Commands 6 6-13 • <hour> ind i cates a o ne or two dig it number for the hour (0 to 23) is required. • <minute> indi cates a one or two digit num ber for the minute is required. • <second> ind icates a one or two digit number for the s econd is required. • <baud> ind i cates a v alid [...]

5020A Users Manual 6-14 ALARm:BEEP <bool> Sets the state of the audible alarm enable. Example: ALAR:BEEP 1 The <bool> p arameter turn s the alarm beep en able on (1 or ON) or off (0 or OFF). This comm and may be password protected (see Pas sword Comm ands). ALARm:CLEar Clears the a larm events. Example: ALAR:CLE The alarm clear comm and[...]

Digital Communications Interface Commands 6 6-15 Response: 0 A value of 1 is returned if a power loss al arm event has occurred. A v alue of 0 is return ed if a power los s alarm ev ent has not occurred. ALARm:POW er:ENABle? Returns t he state of th e power lo ss alarm enable. Example: ALAR:POW: ENAB? Response: 0 A value of 1 is returned if the pow[...]

5020A Users Manual 6-16 Response: 20.00 The RHUMidity suffix, <chn>, specifi es the channel (1 or 2). Specify ing the MI N, MAX , or DEF param eter returns t he minimum , maxim u m, or defaul t value respec tively. ALARm:RHUMidit y<chn>: LOWer:LIMit < float>|MIN|MAX| DEF Sets the lower humidity alarm limit fo r the speci fied chan[...]

Digital Communications Interface Commands 6 6-17 ALARm:RHUMidit y<chn>: RATE:LIMit <f loat>|MIN|MAX| DEF Sets the humidity ra te alar m limit for t he specified c hannel in %R H per hou r. Example: ALAR:RHUM1:RATE:LI M 1 The RHUMidity suffix, <chn>, speci fies the channel (1 or 2). The <f loat> parameter specifies the value [...]

5020A Users Manual 6-18 The RHUMidity suffix, <chn>, speci fies the channel (1 or 2). A value o f 1 is returned if the upper humidity alarm is enab led. A value of 0 is ret urned if the uppe r humidity ala rm is dis abl e d. ALARm:RHUMidit y<chn>:UPPer: ENABle <bool> Sets the state of the upper h umidity alarm enable for th e spec[...]

Digital Communications Interface Commands 6 6-19 Example: ALAR:TEM P1:LOW:ENAB 1 The TEMPe r ature su ffix, <chn>, spec ifies the channel (1 or 2). The <bo ol> paramete r turns th e lower temperat ure alarm on (1 or ON) or off ( 0 or OFF). This comm and may be password prote c ted (see P assword Comm ands). ALARm:TEMPurature<chn>:[...]

5020A Users Manual 6-20 ALARm:TEMPurat ure<chn>:RATE:LIMit ? [MIN|MAX|DEF] Returns t he temperatu re rate alarm limit fo r the specif ied channel in deg rees (C or F) per hour. Example: ALAR:TEMP1:RATE:LIM? Response: 5 The TEMPe r ature su ffix, <chn>, spec ifies the chan nel (1 or 2). The value re turned is always in the current tem pe[...]

Digital Communications Interface Commands 6 6-21 Example: ALAR:TEMP1:UPP? Response: 0 The TEMPe rature su ffix, <chn>, specif ies the channel (1 or 2). A valu e of 1 is returned if an upper tem perature alarm event has occu rred on the speci fied channel. A value of 0 is returne d if an uppe r temperatur e alarm event has not o ccurred on the[...]

5020A Users Manual 6-22 ALARm:TI ME:LAST? Returns t he time of t he last alarm ev ent. Example: ALAR:TIME:LAST? Response: 15,43,19 The respons e is returned in the format, <h our>,<m inute>,<second>. Measurement Comman ds The m easurement comm ands are used to re ad inform ation on the st atistical calcula tions and for read ing t[...]

Digital Communications Interface Commands 6 6-23 CALCulate[<chn>]: PARameter[<num>]:AVERage[<type>]:DATA? Returns t he specified statistical ca lculation fo r the spec ified ch annel. This is the same as the C ALCulate,chn.:PAR ameter<num >:AVERage<type>? command (see ). CALCulate[<c hn>]:PARameter<num>:AVE[...]

5020A Users Manual 6-24 Specifying the MIN, MAX, or DEF param eter return s the minimum , maxim um, or default v alue respec tively . CALCulate[<chn>]:PARameter<num>:RESolution <num>|MIN|MAX|DEF Sets the display resolut i on. Example: CALC:PAR2:RE S 2 The PARam eter suffix, <num >, specifies either t emperature reso lution ([...]

Digital Communications Interface Commands 6 6-25 FORMat: TDST:STATe? Returns t he time and date stamp enable for the FETC?, MEA S?, and READ ? comm ands. Example: FO RM:TDST:S TAT? Response: 0 A value of 1 is return ed if the t ime and date s tamp is enabled. A v alue of 0 is ret urned if the tim e and date stam p is disabled. FORMat:TDST: STATe &l[...]

5020A Users Manual 6-26 Data Commands The data com mands are use d to access dai l y statis tics or record ed measurem ents. DATa:DSTatistics: ENABle? Returns t he state of th e daily statist ics recording enable. Example: DAT:DST: ENAB? Response: 0 A value of 1 is returned if the daily statistics re cording is enabl ed. A value of 0 is returne d i[...]

Digital Communications Interface Commands 6 6-27 DATa:DSTatistics: RHOur? [MIN|MAX|DEF] Retu rns th e dail y st atist ics reset ti me. Example: DAT:DST: RHO? Response: 12 Specifying the MIN, MAX, or DEF param eter return s the minimum , maxim um, or default v alue respec tively . DATa:DSTatist ics:RHOur <num>|MIN| MAX|DEF Sets th e da ily sta[...]

5020A Users Manual 6-28 DATa:DSTatistics: RECord:ETIMe? [<num>] Returns t he daily stat istics recording end time. Example: D AT:DST:REC: ETIM? Response: 23,59,59 The <num > param eter specifies the daily statistics re cord num ber. If none is speci fied, record 1 is assum ed. The response is returned in th e form at, <hour>,<m[...]

Digital Communications Interface Commands 6 6-29 DATa:RECord:FEED: TEMPerature<chn>? Returns t he state of th e tempera ture recording enable for th e specifi ed channel. Example: DAT:REC:FEED:TEMP1? Response: 1 The TEMPe rature su ffix <c hn>, specifies the channel (1 or 2 ). A value of 1 is returned if temperatu re record ing for the [...]

5020A Users Manual 6-30 the curren t date and tim e. If not s pecified, the ac tual tim e/date range of the d ata will likely include more dat a than reques ted because fo th e sizes of th e data blocks i n me mor y. U s e t h is c o mma n d i n c onj unc t ion with the D ATa:RECord :OPEN? and DATa:RECo rd:READ? co mmands to extrac t data from mem [...]

Digital Communications Interface Commands 6 6-31 Example: SEN S:AVER? Response: 1 A value of 1 is returned if the measurem ent averaging is enabled. A value of 0 is r eturned if the m easurement av eraging is disabled. SENSor:AVERage <bool> Sets the m easurement av erage setting . Example: SENS:A VER 1 The <bool> p arameter turn s the m[...]

5020A Users Manual 6-32 SENSor<chn>:STATe? Returns the s ensor status fo r the specifi ed channel. Example: SEN S1:STA T ? Response: 0 The SENSor suf fix, <chn>, specifies the channel (1 or 2). T he respons e to this co mmand is a num ber that indica tes the state of the sensor on th e specified channel. A valu e of 0 indicates a sensor[...]

Digital Communications Interface Commands 6 6-33 The <chn > param eter specifie s the ch annel (1 or 2). A value of 1 is re turned if the specified channel is on. A v alue of 0 is re turned if the speci fied channel is of f. ROUTe:CLO Se <chn> Switches on the specified channe l. Example: ROUT:CLOS 1 The <chn> pa rameter speci fies[...]

5020A Users Manual 6-34 Response: 2003,9,1 7 The CALibrate su ffix, <chn>, spe cifies the channe l (1 or 2). The response is returned in the form at, <year>,<month >,<day>. CALibrate<chn>:DATE:CALibrate (<year>,<month>,<day>) Sets the sensor calib ration date for the specified chann el. Example: CAL1:[...]

Digital Communications Interface Commands 6 6-35 CALibrate<chn>:PARameter:OFFSet<num> <float> Sets the sensor calib ration offset param eter for the specif ied channel. Example: CAL1:PAR:OFF S2 -0.025 The CALibrate suffix, <ch n>, specifies the channel (1 or 2). T he OFFSet suffix, <num >, specifies either tem perature[...]

5020A Users Manual 6-36 The fo llowing param eters are set whe n this comm and is issued. • Sets the m easurement pe riod to 2 seconds. • Sets the m easurement av eraging on. • Sets printi ng t o the seri al por t • Sets the tem perature units to C. • Sets the temperature re solution to 2 decim al places and the relative hum idity resolut[...]

Digital Communications Interface Commands 6 6-37 UNIT:TEMPerature <unit> Sets the system temperatu re unit. Example: U NI T :TEMP C The <unit> pa rameter must be ei ther C or CEL for Celsius or F or FAR for Fahrenhei t . The *RS T command sets t he tempera ture unit to Celsiu s. Communication Interface Commands The comm unication inter [...]

5020A Users Manual 6-38 A value of 1 is return ed if serial p ort echo (duple x) is ON. A v alue of 0 is return ed if serial port e cho (duplex) is OFF. SYSTem:COMMunicate:SERial: FDUPlex <bool> Sets the serial port echo (du plex) setting. Example: SY ST:C OMM: SER:FDUP 1 The <bool> p arameter turn s serial port echo (duplex) mode on (1[...]

Digital Communications Interface Commands 6 6-39 Example: SYS T :COMM:SE R:TIM 120 The <num> par ameter can be one o f the following v alues: 1, 2, 5, 10, 15, 30, 60, 120, 300, 600, 900, 120 0, 1800, or 3600. If a value oth er than one l i sted her e is used, th e instrum ent automati cally se lects the near est acceptab le value that is less[...]

5020A Users Manual 6-40 SYSTem:DATE:FO RMat? [MIN|MAX|DEF] Returns th e date form at used for the display. Example: SY ST:DA T E:FORM? Response: 1 Specifying the MIN, MAX, or DEF param eter return s the minimum , maxim um, or default v alue respectiv ely. Section , Date and Time Formats, shows the supported date formats. SYSTem:DATE: FORMat <num[...]

Digital Communications Interface Commands 6 6-41 Example: SYS T :TIME 11, 43,28 The <hour>, <minute>, and <second> p aramete rs must all be s pecified. The <h our> paramete r is a one or two- digit number ( 0 to 23). The <m inute> param eter is a on e or two-dig it number (0 to 59). T he <second > parameter is a [...]

5020A Users Manual 6-42 SYSTem:PASSw ord:ALARm? Returns t he state of the a larm setting s password protection. Example: SYST:PASS:ALAR? Response: 0 A value of 1 is returned if the alarm settings are p assword protect ed; otherwise a value of 0 is return ed. SYSTem:PASSw ord:ALARm <bool> Sets the state of the alarm settings password. Example:[...]

Digital Communications Interface Commands 6 6-43 Caution If the password is f orgotten, the themo-hy gromet er must be returned to an A uthorized Service Center to hav e t he password restored. SYSTem:PASSw ord:RECord? Returns the s tate of data rec ording setting s password-protec tion. Example: SY ST:PASS : REC? Response: 0 A value of 1 is return[...]

5020A Users Manual 6-44 Ex ampl e : SYST : PA SS: STA T 1 The <bool> p arameter t urns the statistics se ttings pass word-protec tion on (1 or O N) or off (0 o r OFF). This co mmand is pas sword protected. Commands protected w ith this setting are: CALC:A VER:CLE and DATA:DST... , SYSTem:PASSw ord:TIME? Returns the s tate of the date and time[...]

Digital Communications Interface Commands 6 6-45 *ESR? This query command return s the Event Statu s Register. I t also clears the Ev ent Status Register and the ESB bit of the Sta tus Byte Register. The value ret urned indicat es the condition of each of the eight bits of the reg i st er by adding the binary- weighted value s of each bit. The mean[...]

5020A Users Manual 6-46 Example com mand: *SRE 32 *STB? This query command return s the Status Byte R egister. Reading this regis ter does n ot affect i t or the output q ueue. The value returned indicat es the conditio n of each of th e eight bi ts of the register by adding the binary -weighted v alues of each bit. T he m eaning of each bit, when [...]

Digital Communications Interface Commands 6 6-47 bit 1 is 1: chann el 2 sen sor is un attached, locked out, or not operating prop erly 2nd number: c hannel 1 sens or test 0: no error bit 0 is 1: sensor un attached bit 1 is 1: sensor m emory r ead failure bit 2 is 1: sensor p arameter checksum error bit 3 is 1: sensor c alibration param eters out o [...]

5020A Users Manual 6-48 10th number : button status (power-on test only ) 0: no button p ress detected bit 0 is 1: F pressed dur ing power on bit 1 is 1: A pressed durin g power on bit 2 is 1: D pressed durin g power on bit 3 is 1: C pressed during power on bit 4 is 1: B pressed during power on bit 5 is 1: E pressed duri ng power on STATus:ALARm? T[...]

Digital Communications Interface Commands 6 6-49 STATus:ALARm:ENABle? This com mand returns the Alarm Status Enab le Register ( see STATus:ALA Rm:ENAB le <num> com mand below). Example: S TAT:ALAR:EN AB? Response: 32 STATus:ALARm: ENABle <num>|MI N|MAX|DEF This com mand sets the Alarm Status En able Register. Th is register det ermines [...]

5020A Users Manual 6-50 measure bit. Bit 3 Channel 2 hum idity mea sure bit. Bit 4 Not used Bit 5 Not used Bit 6 Not used. Bit 7 Not used. Example: STAT:MEAS: COND? Response: 15 STATus:MEASure:ENABle? This com mand returns the Measurement S tatus Enable R egister (s ee STATus:MEASure :ENABle <num> comm and below). Example: S T AT:MEAS:E NAB? [...]

Digital Communications Interface Commands 6 6-51 register by adding the binar y-weighted v alues of each bit. The m eaning of each b it, when set (1), is as follows whe re 0 is the least signi ficant and 7 is the most sig nificant: 0: no operation Bit 0 Not used. Bit 1 Not used. Bit 2 Not used. Bit 3 Not used. Bit 4 Measurement co mplete bit. Bit 5[...]

5020A Users Manual 6-52 STATus:QUESt ionable:CONDition? This com mand reads the Q uestionable Status Conditio n Register. Reading th is register does not a ffect i t . The valu e returned in dicates the c ondition of ea ch of the eig ht bits of the reg ister by add ing the binary -weighted v alues of each bit. The mean ing of each bit, when set (1 [...]

Digital Communications Interface Commands 6 6-53 Date and Time Formats The follow ing tables li st the accept able date and tim e formats and the ir number set ting. Date Formats Number Format 0 MM-DD- YY 1 MM-DD-YYYY 2 DD/MM/ YY 3 DD/MM/YYYY Time Formats Number Format 0 H:MM:SSAM /P M (12-hour format) 1 HH:MM:SS (24-hour for mat)[...]

5020A Users Manual 6-54[...]

7-1 Chapter 7 Calibration Procedure Tit l e Pag e Introducti on ........................................................................................................ 7-3 Equipment .......................................................................................................... 7-3 Preparation ............................................[...]

5020A Users Manual 7-2[...]

Calibration Pr ocedure Introduct ion 7 7-3 Introduct ion 5026A-x sensors u sed with the therm o -hygrom e ter should be period ically cali brated to ensure accur acy. A six-m onth calibration i nterval for the first y ear, and on e-year thereafte r, is recomm ended. The therm o -hyg ro meter d isplay unit do es not requ ire calibrat ion, and the s [...]

5020A Users Manual 7-4 20% 25 °C 45% 25 °C 70% 25°C Table 7-3. 5026A -H Temperatur e Calibration Point s Temperature at Relative Humidity 16 °C 45% 20 °C 45% 24 °C 45% Table 7-4. 5026A -H Relative Humidity Calibration Points Relative Humidity at Temper ature 20% 20 °C 45% 20 °C 70% 20 °C Temperatur e and Hu midity M easuremen t Errors The [...]

Calibration Pr ocedure Temperatur e and Humidity Adjustme nts 7 7-5 that the m easurement e rrors first be ob tained accord ing to the proce dure abov e in s ection Tempera ture and Hum idity Measurement E rrors. Afte r the Tempera ture and Hum idity Adjustm ents procedure is c ompleted, p erform the T empera t ure and Hum idity Measurem ent Errors[...]

5020A Users Manual 7-6[...]

8-1 Chapter 8 Maintenance and Troubleshooting Tit l e Pag e Mainten anc e ....................................................................................................... 8-3 Troubleshooting ................................................................................................. 8-3 Incorrect tem perature or hum idity reading ......[...]

5020A Users Manual 8-2[...]

Maintenance and Troubleshooting Maintenanc e 8 8-3 Maintenanc e The calib ration inst rument has be en designed ease of operation and simplici ty of maintenanc e as the centr al theme in the product develo pment. Therefore, wi th proper care the instrum ent should requi re very little m aintenance. Av oid operating the i nstrument in oily, wet, dir[...]

5020A Users Manual 8-4 Blank screen The screen appears bl ank when switch ed on. Ensure the powe r adapter is att ached properly and the p ower is switch ed on. This prob lem can also be c aused by improper ad justment o f the cont rast. After the power is switc hed on allow the thermo- hygrom eter at lea st on e minute to com plete its self- test [...]

Maintenance and Troubleshooting Downloading R ecorded Dat a 8 8-5 SENSOR <n>: CALIBR ATION INVALID Cycle the pow er. Try a differen t sensor. Contact an Authorized Serv ice Center. SENSOR <n>: CALIBRAT ION EXPIRED Contact an A uthorized Serv ice Center to have t he sensor recal ibrated. Check th e time/date to make sure it is corre c t.[...]

5020A Users Manual 8-6 Note When using IRCO MM and an IR don gle, the da ta transfer can b e susceptibl e to interfe rence from fl uorescent ligh ting. CE Comments EMC Dire ctive Fluke’s e quipment h as been tested to meet the Europ ean Electrom agnetic Comp atibility Directive (EMC Direc tive, 89/336/EEC). Th e Decla ration of Confo r mity for y[...]

Maintenance and Troubleshooting Frequently Aske d Quest ions 8 8-7 on backup power fo r approxim ately 16 hours. When A C power is restore d, the d isplay will com e back on and sho w a message stat ing the AC power w as interrup ted. Q. Can I swap out sensors in the f i eld? A. Ye s. Th e sen sor 's c al ibr ati on i nfo rmat i on is st ore d[...]

5020A Users Manual 8-8[...]

1 Index —A — AC adapter, 3- 5, 3-6, 4-3 accessories, 2- 3, 3-6 accuracy, 4- 5, 4-6, 8-3 sensor, 4- 5 accuracy specifi cations, 1-7 air velocity, 4- 6 alarm battery , 5-26 menu , 5-24 power, 5- 26 sensor, 5- 26 settin g, 5-25 syst e m, 5-26 view, 5- 27 alarm m enu, 4-4 alarm screen , 4-4 alarm window , 3-3, 3-6 average, 5- 4, 5-10, 5-18, 5-20 ?[...]

5020A Users Manual 2 extension cable, 4-4 —F— firmware v ersion, 5-34 —G— graph, 5- 11, 5-12, 5-14, 5- 16, 5-24, 5-30 humi dity, 5-11, 5-24 temperature, 5- 11 grap hs, 5-9 —H— heat in de x, 5-10 humi dit y dis play resolu tions, 5-8 —I— international electrical symbol s, 1-4 IR interface, 6-3 IR port, 5- 17, 5-20, 5-30, 5-32 IR Port[...]

Index (continued) 3 —W— warni ngs, 1-4 —Z— zone ty pes, 5-9[...]

5020A Users Manual 4[...]