SE138 Stand Alone industrial gas detector, with replaceable cartridge sensor ATEX certified for Zone 1

SE138 is a gas detector, used in centralized alarm systems for industries, in explosion-proof housing for use in areas with potentially explosive atmospheres, certified CESI 03 ATEX 323 X with extension 02/11 (31/04/2011) adapted to EN IEC 60079-0:2018 and EN60079-1:2014 are characterised by the following ATEX marking (Directive 2014/34/EU): The detector consists of a housing containing the electronic circuit and the connecting terminals. In the sensor port, a "Replaceable Sensor Cartridge" is housed which contains the sensing element and the identification and calibration data. SE138 has 3 alarm relays that can be set for the threshold of the gas detected. The sealed relays have a voltage-free contact. On the electronic board there are visible 3 LEDs indicating the operating conditions.