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Instruction Manual
Ex-Pt 720
ecom instruments GmbH
Industriestr. 2
D-97959 Assamstadt
Tel.: + 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
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Contents 1. Application The Ex-Pt 720 is a precise, robust and simple to operate tempera- 1. Application 17 ture measuring device for temperature measurements in explo- sion-endangered areas (excluding firedamp-endangered under- 2. Safety references 17 ground mining) of Zones 2 and 1 according to IEC/CENELEC. 3. Malfunctioning and inadmissible operation 17 4. Safety regulations 18 2. Safety references 4.1 Special conditions for use in Zone 0 18 5. Ex-Data 19 This operating manual contains info
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- obviously incorrect measurements occur. - Should the unit be used in the optionally available leather case, - measurements with the unit are no longer possible. t˝˝the carrying strap of the unit must still comply with the conditi- - the permissible limiting values were exceed. ti˝ons for attachment to the user’s body. 4. Safety regulations 5. Ex-Data In order to exclude incorrect operation of the unit, its use assumes that the user is aware of and complies with the usual safety regu- EC-test a
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Operating life: approx. 100h 7.1 Commissioning Dimensions: 190 x 57 x 42 mm Weight: approx. 200g (with batteries) - carefully read operating instructions. Case material: ABS - open back of unit with key. (slight discolouration due to additives) - insert battery correctly (observe polarity). IP-protective rating:IP 54 - insert battery safety cover. EC-designation: 0102 - close unit with safety screw. Display: LCD, digit height 14mm Measuring device: Pt 100-Sensor, 4-wire-technique 7.2 Switching-o
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Pressing the >Hold-pushbutton< switches between °C and °F. Surface probe Should no pushbutton be pressed for 5 seconds after a changeo- ver, then the new measuring value will be accepted. 0628 1932: measurement range:-50 ... 400°C accuracy: class B 7.2.5 Switching-off Ex-Zones: 2, 1 probe dimensions: 110mm x 4mm (w x ø) Switch the unit of with the >I/O pushbutton< . The display is no sensor dimensions: 3,2mm (ø) longer active. response time (99%):40 Sec. 7.3 Battery change Stainless-steel probe
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Stainless-steel insertion probe 10. Guarantee & liability 0600 9999 measurement range:-50 ... 400°C For this product, ecom Instruments GmbH guarantees the function 0628 2232: accuracy: class A and material for a period of two years under normal operating and Ex-Zones: 2, 1, 0 maintenance conditions. probe dimensions: >50mm x >4mm (w x ø) sensor dimensions: >15 x >3mm (w x ø) The guarantee does not apply to products which are improperly response time (99%):10 Sec. used, modified, neglected, damag
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11. Declaration of EC-Conformity 12. EG type approval TÜV CERT We ecom Instruments GmbH, Industriestraße 2 (1) EC – Type approval test certificate D-97959 Assamstadt (2) Equipment and protective systems for use according to certain regulations in explosion-endangered areas – Guideline 94/9/EC declare under our sole responsibility that the product (3) EG Type approval test certificate number Ex-Pt 720 TÜV 01 ATEX 1757 X to which this declaration relates is in accordance with the provi- sion of
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(13) Appendix 1st Supplement to (14) EC – Type approval test certificate No. TÜV 01 ATEX 1757 X EC – Type approval test certificate No. TÜV 01 ATEX 1757 (15) Description of the equipment The company: ecom instruments GmbH Industriestrasse 2 The explosion-protected temperature measurement unit Type Ex-Pt 720* may be used in D-97959 Assamstadt explosion-endangered areas which require category 2 or 3 respectively. The sensors which are specially mentioned in the operating instructions may be used
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Bedienungsanleitung Instruction Manual Manual d’Instructions Gebruiksanwijzing Ex-Pt 720 ecom instruments GmbH Industriestr. 2 D-97959 Assamstadt Tel.: + 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!
