Gas Monitor

Air check Advantage Methyl Bromide Fumigation Monitor The PureAire Air check Advantage 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 special pyrolizer and sample pump, this accurate methyl bromide gas monitor has been tested to provide ultra low 0.3ppm 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 instrument's "smart" circuitry continuously monitors sensor cell status and sampling system performance. Continuous sensor cell operation is transmitted via 4-20mA 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. 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. Air check Advantage Methyl Bromide Fumigation Monitor Features * Detects Methyl Bromide at sub, (0.5ppm) TLV levels for Fumigation * Enhanced self-diagnostic capability decreases downtime and maintenance costs * Supervised 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

AS8900 4 in 1 Muilt Gas Monitor Introduction The AS8900 multi-gas monitor is a portable and handheld instrument that is capable to use continuously and simultaneously monitoring 4 gases: Oxygen, Combustile gas, Carbon Monoxide and Hydrogen Sulfide. Every gas readings all shows in one LCD display. The unit also provide user to configure high and low alarm as well as Twa and Stel alarms. The unit will be audio and visual alarm once the alarm condition is exceeded. AS8900 4 in 1 Muilt Gas Monitor Specifications * Range: Oxygen (O2): 0~30% Combustile (LEL): 0~100% LEL Carbon Monoxide (CO): 0~999 ppm Hyrogen Sulfide (H2S): 0~500 ppm * Operating Temperature: -10~ 50'C(except LEL is 0 ~40'C) * Operating Humidity: 15~95 % RH, typical * Size: 120.20 x 64.50 x 38.30mm * Weight: 200g

Double pass particulate monitor , A optical Based instruments designed for monitoring dust and particulate concentarion in the exhaust gas of industrial combination or air filtraiton process

The Dust Guard series operate on the principle of Tribo-Electric Charge transfer. The electrical charge carried by dust particles is captured by highly sensitive Tribo-Electric probe, amplified and then transmitted to the control Unit. As the current generated by the charge is proportional to the concentration of particles present, an indicative signal of dust presence results. DustGuard is most suitable for use in Low Humidity gas streams with reasonably constant flows.

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