Ecom Instruments Ex-Pt 720 manual

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Table of contents for the manual

  • Page 1

    Instruction Manual Ex-Pt 720 ecom instruments GmbH Industriestr . 2 D-97959 Assamstadt T el.: + 49 (0) 62 94 / 42 24 0 Fax: + 49 (0) 62 94 / 42 24 90 E-Mail: sales@ecom-ex.com Internet: www .ecom-ex.com 550B0100 06/02 Änderungen vorbehalten[...]

  • Page 2

    16 17 Contents 1. Application 17 2. Safety refer ences 17 3. Malfunctioning and inadmissible operation 17 4. Safety regulations 18 4.1 Special conditions for use in Zone 0 18 5. Ex-Data 19 6. T echnical Details 19 7. Operating instructions 20 7.1 Commisioning 21 7.2 Switching-on and measurement 21 7.2.1 Switching-on 21 7.2.2 HOLD-Function 21 7.2.3 [...]

  • Page 3

    18 19 - obviously incorrect measur ements occur . - measurements with the unit ar e no longer possible. - the permissible limiting values were exceed. 4. Safety regulations In order to exclude incorr ect operation of the unit, its use assumes that the user is aware of and complies with the usual safety r egu- lations. - the batteries may only be ch[...]

  • Page 4

    20 21 Operating life: approx. 100h Dimensions: 190 x 57 x 42 mm W eight: approx. 200g (with batteries) Case material: ABS (slight discolouration due to additives) IP-protective rating: IP 54 EC-designation: 0102 Display: LCD, digit height 14mm Measuring device: Pt 100-Sensor , 4-wire-technique Measuring range: -50°C to +400°C Accuracy: -50°C to [...]

  • Page 5

    22 23 Pressing the >Hold-pushbutton< switches between °C and °F . Should no pushbutton be pressed for 5 seconds after a changeo- ver , then the new measuring value will be accepted. 7.2.5 Switching-off Switch the unit of with the >I/O pushbutton< . The display is no longer active. 7.3 Battery change Should the <BA T> symbol be d[...]

  • Page 6

    24 25 Stainless-steel insertion probe 0600 9999 measurement range: -50 ... 400°C 0628 2232: accuracy: class A Ex-Zones: 2, 1, 0 probe dimensions: >50mm x >4mm (w x ø) sensor dimensions: >15 x >3mm (w x ø) response time (99%):10 Sec. 7.4.3 Calibration instructions The plastic handle withstands a temperature of appr ox. 200°C for a sh[...]

  • Page 7

    26 27 11. Declaration of EC-Conformity We ecom Instruments GmbH, Industriestraße 2 D-97959 Assamstadt declare under our sole r esponsibility that the product Ex-Pt 720 to which this declaration relates is in accor dance with the provi- sion of the following directives 94/9/EC Equipment and protective systems in explosionendangered ar eas 89/336/EE[...]

  • Page 8

    28 29 (13) Appendix (14) EC – T ype approval test certificate No. TÜV 01 A TEX 1757 X (15) Description of the equipment The explosion-protected temperatur e measurement unit T ype Ex-Pt 720* may be used in explosion-endangered ar eas which requir e category 2 or 3 respectively . The sensors which are specially mentioned in the operating instruct[...]

  • Page 9

    Bedienungsanleitung Instruction Manual Manual d’Instructions Gebruiksanwijzing Ex-Pt 720 ecom instruments GmbH Industriestr . 2 D-97959 Assamstadt T el.: + 49 (0) 62 94 / 42 24 0 Fax: + 49 (0) 62 94 / 42 24 90 E-Mail: sales@ecom-ex.com Internet: www .ecom-ex.com 550B0100 06/02 Subject to change without notification![...]