RKI offers unique proprietary sensor technologies for hydrogen specific
detection in either the % LEL or PPM ranges. By utilizing a proprietary
molecular sieve coating that is built into both our catalytic or solid state
sensors, false alarms from typical hydrocarbon interfering gases are
essentially eliminated.
For the LEL range, a special catalytic sensor is coated with a molecular sieve
that eliminates the response to common background gases like IPA, methane,
gasoline, etc. while providing a detection range of 0 – 100% LEL
for hydrogen.
The hydrogen PPM sensor can reliably detect leaks 20 times smaller than
a standard catalytic sensor. This solid state sensor has a molecular sieve
coating on the sensing element, which filters out interference from other
gases and provides a 0 – 2,000 PPM range. Both the LEL and PPM range
sensors are available with 24 VDC transmitters with linear 4-20 mA outputs.
Features
• Operates with or without a controller
• Tri-color visual alarm display: Green=Normal,Yellow=Alarm 1, Red=Alarm 2
• Large easy to read digital display
• Three power options: 115 VAC, 24 VDC, or 2 AA alkaline batteries
• Operates up to 1 year on one set of AA alkaline batteries
• Remote mount sensor cable available
• Compact wall mount design
• Explosion proof housing and sensor design
• H2 specific solid state sensor for 0 - 2000 ppm
• H2 specific catalytic sensor for 0 - 100%LEL
• Molecular sieve filter built in; highly specific to H2
• Eliminates false alarms from IPA and other gases
• 4-20 mA transmitter, 24VDC
Applications
• Semiconductor
• Power Plants
• Fuel Cell Industry
• R & D applications
• Gas plants
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