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Airflow Systems IAQ10 manual

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Table of contents for the manual

  • Page 1

    CO 2 Meter Model IAQ10 OWNER’S MANUAL[...]

  • Page 2

    ii LIMITATION OF WA RRANTY A ND LIABILITY Seller warrants the goods sold hereunder, under normal use and ser vice as described in the operator's manual, s hall be free from defects in work manship and m aterial for twenty-four (24) months, or the length of tim e specif ied in the operator's manual, f rom the date of shipment to the c usto[...]

  • Page 3

    1 Table of Contents LIMITATION OF WARRANTY AN D LIABILITY ...... ii SECTION 1 General Descri ption ..................................... 2 SECTION 2 Theory of Opera tion: NDIR Sensor ........... 2 SECTION 3 Safety .............................................................. 3 SECTION 4 Setting-Up the Model IAQ10 ...................... 4 Supplying[...]

  • Page 4

    2 SECTION 1 General Description The Model IAQ10 is a hand-held meter to measure Carbon Dioxide (CO 2 ), displayed in units of parts per million (ppm). An NDIR sensor in the top end of the meter measures gas content by diffusion through sensing holes. The IAQ10 ships in a pouch that prov ides a small amount of protection to the display and the sensi[...]

  • Page 5

    3 concentrations. This technique is called non-dispersive infrared (NDIR) detection. SECTION 3 Safety When using the IAQ10 to check for CO 2 values, make certain that you can safely raise and hold the instrument while making measurements. Be especially careful when working on a ladder. Observe all necessary precautions so that the unit does not bec[...]

  • Page 6

    4 SECTION 4 Setting-Up the Model IAQ10 Supplying Power The IAQ10 can be powered in one of two ways: four AA-size batteries or the optiona l AC adapter. Installing the Batteries Insert four AA batteries as indicated by the diagram located on the inside of the battery compartment. The Model IAQ10 is de- signed to operate only with alkaline batteries.[...]

  • Page 7

    5 SECTION 5 Operation of the Model IAQ10 Note : Do not hold the instrument close to your face. Humans exhale CO 2 and this will affect the accuracy of the readings. When pressing the keys on the keypad, the Model IAQ10 will beep to confirm the function. If you press a key and the Model IAQ10 does not beep, the Model IAQ10 does not allow that functi[...]

  • Page 8

    6 calibration. When the Model IAQ10 completes the internal self-check, it will display the approximate percentage of battery life remaining. Note : The sensor needs up to 10 minutes to stabilize in still air before displayed readings can be considered accurate. Moving the instrument may decrease this stabilization time. READ Key Carbon dioxide conc[...]

  • Page 9

    7 The display updates every second and each reading is the average of five samples. ( 5 ) Key The instrument only displays CO 2 . RECALL ( 6 ) Key Press the RECALL key repeatedly to display: minimum value ( MIN ), maximum value ( MAX ), average value ( AVG ), and number of seconds sampled ( COUNT ). Press the READ key to return to normal measuring [...]

  • Page 10

    8 SECTION 6 Maintenance of the Model IAQ10 The Model IAQ10 requires very little maintenance to keep it performing well. Case If the instrument case or storage case needs cleaning, wipe it off with a soft, damp cloth. Never submerge the IAQ10 in any liquid or allow any liquid to enter the sensing holes. Storage When storing the Model IAQ10 for more [...]

  • Page 11

    9 Before sending your instrument for calibration or repair, you should call Customer Service. The service department will provide you with the cost of service or calibration, Return Materia l Authorization (RMA) number, and shipping instructions. Please have the following information available when you call: • Owner’s name, address, and phone n[...]

  • Page 12

    10 you with a NIST (US Na tional Institute of Standards and Technology) traceable certificate. This “annual checkup” assures you of consistently accurate readings; it is especially important in applications where strict calibration records must be main- tained. Send the instrument to TSI Instruments Ltd. prepaid. Securely package your instrumen[...]

  • Page 13

    11 1. Turn the instrument off. Under the batteries, move DIP switch # 7 to ON. Turn the instrument back on. 2. Press and hold the READ key to begin the calibration procedure. The display will begin a countdown from 5 to 0. Release the key when the display reads 0. If the key is released too soon or too late, the instrument will go back to sam- plin[...]

  • Page 14

    12 indicates “ SPAN ” and the span concen- tration. 6. Install the regulator on the span calibra- tion cylinder and connect tubing from the regulator to the inlet fitting on the top of the Model IAQ10. 7. Use 5 and 6 to adjust the concentra- tion displayed on the Model IAQ10 to match the concentration on the span gas cylinder. 8. Press and rele[...]

  • Page 15

    13 SECTION 8 Troubleshooting of the Model IAQ10 This table lists the symptoms, possibl e causes, and recommended solutions for the Model IAQ10. Symptom Possible Causes Corrective A ction(s) No display Unit not switched on Switch on the unit Low or dead batteries Replace the batteries Dirty battery contacts Clean the battery contacts Batteries insta[...]

  • Page 16

    14 Symptom Possible Causes Corrective A ction(s) Display reads “LO” Batteries are low Replace the batteries Note: If your symptoms are not remedied by the suggested corrective action, call TSI Instruments Ltd. SECTION 9 Internal DIP Sw itch Settings To access the DIP switches, remove the batteries from the battery compartment. On the inside of [...]

  • Page 17

    15 DIP Sw itch OFF ON 1-3 Must be OFF ----- 4 not assigned not assigned 5 not assigned not assigned 6 Beep is turned OFF Beep is turned ON 7 Normal mode Field Verifica- tion mode 8 not assigned not assigned - The ON position is away from the batteries and OFF is towards the batteries. - Switch 1 is towards the top of the case and Switch 8 is neares[...]

  • Page 18

    [...]

  • Page 19

    Specifications (subject to change without n otice) CO 2 Sensor type: Dual wavelength detector with non - dispersive infrared (NDIR) sensor Range: 0 to 5000 ppm Accuracy ±3% of reading or ±50 ppm, which ever is greater 1, 2 Resolution 1 ppm Response time <10 minutes in still air Operating Temperat ure Range: 5 to 70°C External Meter Dimensions[...]

  • Page 20

    TSI Instruments Ltd. October 2005 Lancaster Road Printed in USA Cressex Business Park Part No. 1980532, Rev. A High Wycombe Buckinghamshire Tel: +44 (0) 149 4 459200 HP12 3QP England Fax: +44 (0) 149 4 459700 E-mail: info@airflowinstruments.co.uk Copyright © 2005 Web: www.a irf lo wins tr ume nts .c o. uk TSI Incorporated[...]