MEET OUR NF3 (NITROGEN TRIFLUORIDE) GAS DETECTORS; PS-7 (FIXED INSTALLATIONS) AND XPS-7II (PORTABLE)
Nitrogen trifluoride (NF3) is a toxic gas which is inorganic, colourless and non-flammable. NF3 is also an extremely strong and long-lived greenhouse gas. It is used in semiconductor and electronics manufacturing industries as a fluorine source.
Traditional gas detectors available in the market today are not able to detect NF3 directly. A process called pyrolysis (using a pyrolyzer) needs to be done first. A decomposer filament within the pyrolyzer heats up to a certain temperature and when NF3 comes into contact with the filament, it decomposes/converts to NO2.
The general purpose of the pyrolyzer unit is to convert electrochemically inactive gases to gases which can easily be detected.
The key features of the COSMOS PS-7 (for fixed gas detector installations) and the XPS-7II (portable gas detector) are:
- Miniaturization of the pyrolyzer unit now allows it to be built-into the sensor unit to allow compact design for truly portable detection
- Reduces maintenance time- only requires sensor replacement
- Eliminates errors due to incorrect pyrolyzer installation/connection
- Increased sensitivity and stability of reading
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