334 Thermoelectric temperature sensor Ex d (Ex t, Ex i) with thermowell DIN without converter or with converter


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  • For exact remote measurement of temperature of steady and running liquids (gases and fluids), for which the properties of the thermowell of the sensor are suitable; measurement may be realized up to max. temperature 450°C and nominal pressure PN 160
  • For environment with explosive gaseous atmosphere according to EN 60079-10-1 and explosive atmospheres with combustible dust according to EN 60079-10-2
    - Sensor may be installed into the thermowell located in zone 0 (20), zone 1 (21) or zone 2 (22), the thermowell for zone 0 shall comply with the requirements of EN 60079-26 (refer to figure 2)
    - Other parts of the sensor (screw joint, adapter, connecting head) may be located in zone 1 (21) or zone 2 (22)
    - Sensor without converter or converter with Ex ia version, when connected to Ex ia circuit according to EN 60079-25 in zone 0, 1, 2, 20, 21 and 22
  • In a set with control or diagnostic systems for process monitoring
  • In design with converter for transfer of thermoelectric sensor signal to unified output signal 4 to 20 mA or digital signal (converter with HART protocol)
  • In design with display to display the value of the measured value
  • For the environment, where mechanical resistance is required pursuant to EN 60068-2-6 (class AH2) and seismic capability of the electrical equipment of the safety system of the nuclear power stations pursuant to IEC 980 (MVZ level SL-2)
  • The sensors are rated products pursuant to the Directive 2014/34/EU, 2014/30/EU of the European Parliament and the Council and EU Declaration of Conformity EU -334000 is issued for them.




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