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Intrinsically safe detector now UL certified

26 April 2010

Crowcon’s intrinsically safe TXgard-IS+ gas detector is fitted with electrochemical sensors which enable it to detect a wide range of toxic gases and oxygen. Gases detected include those commonly found in industrial applications such as carbon monoxide (CO), hydrogen sulphide (H2S), chlorine (Cl2), ammonia (NH3), nitrogen dioxide (NO2), sulphur dioxide (SO2) and oxygen (O2).

Intrinsically safe detector now UL certified
Intrinsically safe detector now UL certified

Already certified to ATEX and IECEx standards, the addition of UL certification means the TXgard IS+ can now be used globally, including North America, the Middle East and South East Asia in Zone 0, 1 or 2 or Division 1 or 2 hazardous areas when used with a safety barrier.

Tough and hard-wearing, with IP65 ingress protection, the Txgard-IS+ already has a proven track record in industrial and offshore oil and gas installations worldwide. Simple to operate, it has an intuitive display menu and keypad which enables simple maintenance and which provides comprehensive diagnostic facilities which allow true, one-person non-intrusive calibration.

The detector has configurable display options and configurable fault and inhibit currents. Also, by displaying line voltage, there is no need to access test points inside the unit. In addition, the signal current can be ramped manually to a desired value to simplify commissioning with control panels.

Sensor signals are temperature compensated and the device is compatible with virtually any 4-20mA control system. Unlike some 4-20mA gas detectors featuring LCD displays and keypads, the Txgard IS+ combines its power and signal in just two wires, so only one zener barrier is required.


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