
Monnit’s ALTA® Gas Detection Sensors wirelessly monitor for carbon monoxide (CO), hydrogen sulfide (H2S), or carbon dioxide (CO2). If gas concentrations exceed preset thresholds, designated personnel are alerted via text, email, or call. Install within 15 minutes, provide an industry-leading 1,200+ foot wireless range, and offer a 12+ year battery life (two AA’s).


Reliable, gas detection devices with 50+ different gas sensor choices. Designed for use in almost every type of application, Critical Environment Technologies’ low voltage gas detectors feature 4-20 mA analog, 0-10 volt, BACnet® MS/TP RS-485 or Modbus® RTU RS-485 digital output with 1, 2 or 3 gas channels in a water / dust tight, corrosion resistant enclosure. For specialized applications we have gas detectors for vent line applications, sample draw systems and an explosion proof product line for use in hazardous rated areas. Choose from 50+ toxic, combustible and refrigerant gases including Ammonia, Carbon monoxide, Carbon dioxide, Chlorine, Ethylene, Ethylene oxide, Formaldehyde, Hydrogen, Hydrogen fluoride, Hydrogen sulphide, Nitric oxide, Nitrogen dioxide, Oxygen, Ozone, Sulfur dioxide, Ethanol, Dimethyl ether, Methanol, Methane, Propane, Hydrogen, TVOCs, R134A, R410A, RSF6 and more.


The cGas IR Refrigerant Detector provides continuous monitoring of a wide range of refrigerant gases commonly used in commercial refrigeration systems. Dual beam, non-dispersive infrared sensor technology overcomes the limitations of solid state refrigerant sensors, accurately detects refrigerant gases without cross interference from toxic or combustible gases and is low maintenance with a longer lifespan. Choose from 30+ types of refrigerant gas sensors commonly used in commercial refrigeration systems, including A2L refrigerants, SF6 and CO2 (R744). True Plug & Play Smart Sensor technology makes replacing sensors quick and easy.
