Instruction Manual 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.
Contents 1. Application 1. Application 17 2. Safety references 17 3. Malfunctioning and inadmissible operation 17 4. Safety regulations 18 The Ex-Pt 720 is a precise, robust and simple to operate temperature measuring device for temperature measurements in explosion-endangered areas (excluding firedamp-endangered underground mining) of Zones 2 and 1 according to IEC/CENELEC. 18 2. Safety references 5. Ex-Data 19 6. Technical Details 19 7.
- obviously incorrect measurements occur. - measurements with the unit are no longer possible. - the permissible limiting values were exceed. - Should the unit be used in the optionally available leather case, t˝˝the carrying strap of the unit must still comply with the condititi˝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 regulations.
Operating life: Dimensions: Weight: Case material: approx. 100h 190 x 57 x 42 mm approx. 200g (with batteries) ABS (slight discolouration due to additives) IP-protective rating: IP 54 0102 EC-designation: Display: LCD, digit height 14mm Measuring device: Pt 100-Sensor, 4-wire-technique Measuring range: -50°C to +400°C 7.1 Commissioning - carefully read operating instructions. open back of unit with key. insert battery correctly (observe polarity). insert battery safety cover.
Pressing the >Hold-pushbutton< switches between °C and °F. Should no pushbutton be pressed for 5 seconds after a changeover, then the new measuring value will be accepted. Surface probe 0628 1932: 7.2.5 Switching-off Switch the unit of with the >I/O pushbutton< . The display is no longer active. measurement range:-50 ... 400°C accuracy: class B Ex-Zones: 2, 1 probe dimensions: 110mm x 4mm (w x ø) sensor dimensions: 3,2mm (ø) response time (99%):40 Sec. 7.
Stainless-steel insertion probe 10. Guarantee & liability 0600 9999 0628 2232: For this product, ecom Instruments GmbH guarantees the function and material for a period of two years under normal operating and maintenance conditions. measurement range:-50 ... 400°C 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 approx.
11. Declaration of EC-Conformity 12.
Appendix (13) (14) EC – Type approval test certificate No. TÜV 01 ATEX 1757 X (15) Description of the equipment 1st Supplement to EC – Type approval test certificate No. TÜV 01 ATEX 1757 The company: The explosion-protected temperature measurement unit Type Ex-Pt 720* may be used in explosion-endangered areas which require category 2 or 3 respectively. The sensors which are specially mentioned in the operating instructions may be used for the measure ment of temperatures in category 1.
Bedienungsanleitung Instruction Manual Manual d’Instructions 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.
