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Contact combustion type gas sensor NCH-180

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Contact combustion type
NCH-180 Contact combustion type gas sensor

Contact combustion type gas sensor NCH-180

Industrial
Industrial alarm
Contact combustion type
Combustible gas (for city gas)

NCH-180 is an explosion-proof gas sensor with NAP-56A housed in an explosion-proof housing.It is extremely compact and has a design-like finish compared to other Ex-certified devices of the same type.

【Feature】

Explosion-proof certification (ATEX + IEC)
Direct measurement of flammability
Resistant to catalyst poison
Strong against impact and vibration
Correspondence to flammable gas
Not affected by humidity
Very simple circuit
There is little blurring of zero points and sensitivity

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NCH-180 specifications

basic specifications

Sensor (IC)	NCH-180
Detection gas	Flammable gas
Applied voltage	2.5V +/- 0.2V
Clean air output	0 +/- 35mV
Detection concentration range	0-100% LEL
Output value * Methane, isobutane, propane, hydrogen sensitivity (10% LEL)	Methane: 10mV
Current consumption (at applied voltage)	180 +/- 10mA
Operating environment (temperature conditions, humidity conditions)	-20 ~ + 70 ℃ Less than 95% RH without condensation
Storage environment	-30 ~ + 70 ℃ Less than 99% RH without condensation
Response time (T90)	T90: Within 30 seconds
Same day reproducibility	Zero point: ± 0.5 mV Gas sensitivity: ± 1% LEL
Annual zero point drift	Within ± 2 mV / year
Long-term stability	Within 1% LEL / month
Design life	Within 5 years
Warranty period	24 months
Recommended storage period	6 months
Straightness	60% LEL

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