The Aircheck Advantage Methyl Bromide Gas Monitor is a compact, extractive gas monitoring system that’s ideal for continuously and remotely monitoring gas cabinets, process tools, scrubber systems, and other areas where maintenance access may be limited or undesirable. Featuring a long-life pyrolizer and sample pump, this reliable hazardous gas detection system significantly reduces the labor and downtime commonly associated with gas detector maintenance and service.
Enhanced Self-diagnostic Capability Decreases Downtime and Maintenance Costs
“Smart” Sensor Electronics Continuously Checks Sensor and System Status
Built-in User Selectable Local Dual Level Alarms with Relay Output
Local Digital Display
4-20 mA Analog Output
Low-cost Renewable Sensor
The instrument’s “smart” circuitry continuously monitors sensor cell status and sampling system performance. Continuous sensor cell operation is transmitted via 4-20 mA signal to PureAire controllers, PLC’s or remote alarm systems. Should a system error occur, the AirCheck Advantage outputs a 2 mA signal to remote alarm/control systems to immediately alert control room personnel.
The heart of the system is a smart renewable sensor cell linked to a compact pyrolizer. The sample is drawn through the pyrolizer where Methyl bromide is thermally decomposed and converted into another gas that is more easily detected electrochemically. Unlike competitive Methyl bromide detectors, which measure at the percent LEL levels, the AirCheck Advantage measures at the PPM OSHA TLV levels.
Extractive Sample Draw
Methyl Bromide (CH3Br)
0 – 10 ppm
0 – 30 ppm
± 10 %
-20 to +50 ºC
-4 to +122 ºF
Self Checking Renewable Electrochemical Sensor
5 to 8 years under Normal Conditions
Gas Concentration Indicator
Built-in LCD Digital Display, Back Lit
Displays, Gas Name, ppm Concentration, AL1, AL2, System Fault Messages
4-20 mA Analog Output
Alarm Level 1 – SPDT AC 125 V, 0.3 A max
Alarm Level 2 – SPDT DC 30 V, 1.0 A max Resistive Load
Fault – SPDT Fail-Safe
Electromagnetic DC Diaphragm Pump
IP 65 Nema 4X Water Resistant
Enclosure: Class 1, Div 1, Group B, C & D Explosion Proof
Country of Origin
Harmonized Tariff Code
1 Other ranges available, consult factory. 2 Longer sampling lengths are available, consult the factory.
Low Annual Operation Cost
The PureAire AirCheck Advantage has the lowest annual maintenance costs of any gas monitoring system on the market. PureAire’s Renewable Sensor cells are easily recharged with electrolyte right in the field at approximately 20 % of the cost of disposable sensor cell type systems. Recharge costs typically run about $35.00 per sensor every 6 months. Combined with our built-in, low-power pyrolizer, and long-life sample pump, the AirCheck Advantage will lower your annual operation costs. When compared to competitive gas monitors, it will pay for itself in just a few years.
Connects to DCS and PLC Controls
The AirCheck Advantage transmits continuous gas concentration levels to any distributive control system, programmable logic controller, or PureAire’s proprietary single and multichannel controllers. The monitoring system Monitor can be operated remotely up to 1,000 meters, 0.6 miles from centralized distributive control systems.