Two kinds of optional mode of power supply, including centralized busbar type and independent area type. High and low concentration alarm, performing real-time monitor to gas.
Anti-poisoning type gas sensor with high sensitivity. Automatic modification of ageing curve of sensor, keeping constant alarm sensitivity. Function of automatic recognition of sensor trouble, function of high concentration gas above-norm of sensor. Function of automatic detection at starting up, and it has advanced function of self-diagnosis and self-reparing. The calibrated concentration value is adjustable, facilitating users to set by themselves.
When the sensor loses the function of monitoring alarm because of ageing, the detector is capable of automatic recognition and alarm, so as to effectively avoid missing report. Low alarm setting range:20ppm-30ppm.
High alarm setting range:30ppm-70ppm. Working environment :Temperature: -30 degree to 60 degree; humidity: below 85% (no coagulation). Remote control mode:By the adjustment mode by infrared remote control, the detector can be adjusted without opening of cover. 4-20mA output :4-20mA output corresponding to 0-100%, maximum load 800 ohms.The effective alarm is 1 point or 2 points; each alarm shall use SPDT electronic relay. Communication description: two-wire system parallel RS485 protocol, 32 points at most. Connection: Twisted pair with shield. Input voltage:24VDCplus-minus 25%; power: 2W/way. Using cable:2.5mm2×4 Screened cable line, outside diameter of cable is required to be between 6mm- 9mm.
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The item "Ammonia Gas Detector Meter On-Line NH3 Gas Transmitter Analyzer Alarm Function" is in sale since Monday, November 12, 2018. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Gas Detectors & Monitors". The seller is "vetus-instruments" and is located in . This item can be shipped worldwide.