Gas detector UR21S

UR21S Series gas detectors are used for detecting inflammable or toxic gases in classified areas in industrial environments and boiler rooms. All models can be used with CIVIC1 Series control units (one sensor) and CIVIC4 Series control units (up to 4 sensors) or with other control units set up to receive a 4-20 mA signal (generally combined fire/intrusion detection systems).

Compliant with Directives EMC 2014/30/EU and ATEX 2014/34/EU.
II 3G, Ex nA IIC T6.
Technical Features
Gas detector in metal housing (Group II protection mode, category 3G, Ex nA IIC T6) with operating status indicator light, for indicating gas alarms by means of a 4-20 mA analogue output or a trip threshold (pre-alarm, level 1 and 2 alarm, fault) that can be freely set with DIP switches. Power supply: 10-28 VDC. Signal output: 4-20 mA. An explosion-proof version is available to order, marked with the ATEX hexagon symbol and designation II 2G, Ex d IIC T6.
Part no.
Type Part No. Description Protection Weight (Kg)
UR21S 0940571N METANO IP55 0,65
UR21S 0940572N GPL IP55 0,65
UR21S 0940573N CO IP55 0,65