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Fixed Infrared Gas Analyzer NFIA-350

Fixed Infrared Gas Analyzer NFIA-350

Fixed Infrared Gas Analyzer NFIA-350

Fixed infrared gas analyzer NFIA-350 is a fixed model analyzer designed for monitoring, detection and analysis of combustible, toxic, poisonous gases present in severe environmental condition areas. Composed of aluminum alloy and stainless steel making it corrosion resistant. Equipped with control panel for remote controlled monitoring of large analysis area. Built-in alarm and fault relay system facilitates personnel and plant protection from flammable, toxic and oxygen hazards.


Sensor Non-dispersive infrared sensor
Sampling method Diffusion
Detection range CO2,CH4 (IR)
Operating humidity ( non-condensing ) 15 % to 90 % RH
Operating temperature ( -20 °C to 55 °C )
Operating pressure 86 kPa to 106 kPa
Display panel 4-digit LED display
Data interface RS485 interface
Alarm system Audible ( > 90 dB )
Bright dual color LEDs
Enclosure material Aluminum alloy and stainless steel
System wiring 3-core shield cable ( 3 x 1.0 mm )
Protection class IP65
Signal output 4 to 20 mA
Power supply 24 V DC
Weight 1.8 kgs



Used for the measurement and analysis of gas output or leakage in ceramic, iron-steel industry, thermal treatment, electronic, agricultural, biochemical facilities for environmental pollution regulation and energy saving.

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Fixed gas Analyzer