HLM6

Six-Channel Gas Monitor for up to six Gas Sensors with two alarm levels and fault relay.
HLM2

Two-Channel Gas Monitor for Gas Sensors with two alarm levels.
Basic Gas Sensor

For operating temperatures down to 0ºF (-17ºC). The Basic Gas Sensor model is for commercial applications such as supermarket refrigeration systems and air conditioning chillers.
Enclosure is NEMA1 (IP41) for indoor installations; enclosure is ABS material. Low voltage cable wiring only. (Not available for Ammonia).
Explosion Proof Gas Sensor

For operating temperatures down to -40ºF (-40ºC). The Explosion Proof Gas Sensor enclosure is NEMA7 Aluminum. Used where regulations and codes specify; consult factory with specific requirements.
Extreme Environment Gas Sensor

For operating temperatures down to -60ºF (-51ºC). The Extreme Environment sensor features a stainless steel metal enclosure and is equipped with an integral heater and thermostat for low temperature operation.
Enclosure is rated NEMA4X (IP65); conduit connection must be vaporproof.
Note: Auxilliary power required when used with Hansen monitors HLM2 and HLM6.
Vent Line Gas Sensor

For operating temperatures down to -40ºF (-40ºC). The Vent Line Gas Sensor enclosure is NEMA4 (IP65) ABS material.
Gas sensor element is in a separate carbon steel housing with an 1¼” NPT threaded connection; cable is 10 feet (3 meters).
Harsh Environment Gas Sensor

For operating temperatures down to -40ºF (-40ºC) or wet/humid areas. The Harsh Environment enclosure is NEMA4 (IP65) ABS material; conduit connection must be vaporproof.
Standard Gas Sensor

For operating temperature down to 0ºF (-17ºC). The Standard sensor comes in a NEMA4 (IP65) watertight enclosure. Mountable indoors or outdoors (out of direct sunlight).
Enclosure is ABS material with a gasketed ABS cover; single ½” conduit knockout is provided.