NAP-66A Catalytic (Pellistor) Flammable Gas Sensor



General Description:

The NAP-66A Gas Sensor is a low–cost Catalytic Flammable Gas Sensor designed for the detection and measurement of Propane, Butane, and LPG vapours in the range 0-50% LEL.

Developed primarily for use in Residential Gas Detectors, the NAP-66A has also been found to be useful in a wide variety of applications where reliable detection of gas or fuel leaks and other gas hazards is required at low cost.

The NAP-66A uses the superior catalytic "pellistor" detection principle often used in high quality Industrial Gas Detectors. It hence has many benefits over other low cost gas sensor types:


Specifications 



Detectable gas:

Optimised for detection of LPG /Propane / Butane  / Gasoline

Range

0 – 50%LEL

Recommended Voltage

2.0V +/- 0.2V

Current Drawn  

150 +/- 10mA

Zero Offset 

0mV +/- 35mV

Output Sensitivity

Typically 16mV @2000ppm C4H10

Repeatability

Zero:     +/- 0.5mV


Span:     +/- 0.5mV

Response Time (T90) 

Span:         8 secs

Maximum Long Term Drift

<+/- 2mV/year

<+/- 2%/month

Expected Lifetime in the field  

>5 years



Operating conditions


Temperature Range

-10°C to +50°C

Humidity  

 0-95%RH, non-condensing

NAP-66ADatasheet.pdf nap-66ahandlingmanual.pdf