PureAire Monitoring Systems, Inc

Air check Advantage Ex Methyl Bromide Fumigation


The Air check Advantage Ex Methyl Bromide Fumigation Monitor is a compact, extractive gas monitoring system that’s ideal for continuously and remotely monitoring fumigation chambers and fruit storage areas where access may be limited or undesirable. Featuring a long life pyrolizer and sample pump, this accurate methyl bromide gas monitor has been tested to provide ultra low 0.5 ppm and lower detection of methyl bromide levels in the workplace. PureAire’s continuous monitor eliminates the need to subject an employee into fumigation chambers to manually take colorimetric grab samples to determine if an area is safe to enter. The heart of the system is a smart renewable sensor cell linked to a compact pyrolizer. 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 and colorimetric tubes which have interferences to humidity, temperature and moisture, the Air check sensor and electronics are unaffected by changes in environment. This stability provides true sub TLV measurement of methyl bromide in product storage areas without the need for conversion tables. 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 Air check Advantage outputs a signal to remote alarm/control systems to immediately alert control room personnel.

  • Detects Methyl Bromide at Sub (0.5 ppm) TLV Levels for Fumigation
  • Suitable for Class 1, Div 1, Group A, B, C, & D Locations
  • 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

Low Annual Operation Cost
The PureAire Air check Advantage Ex 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 Air check Advantage will lower your annual operation costs. When compared to the annual cost of disposable colorimetric stain tubes, it will pay for itself in just a few months!

Connects to DCS and PLC Controls
The Air check 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 remote up to 1,000 meters, 0.6 miles from centralized distributive control systems.

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