Electrochemical gas sensor NE4-CO-SI

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Carbon monoxide
NE4-CO-SI electrochemical gas sensor

Electrochemical gas sensor NE4-CO-SI

Industrial
Industrial alarm
Underground parking alarm
Electrochemical formula
Carbon monoxide

NE4-CO-SI is an electrochemical carbon monoxide gas sensor mainly for industrial use.This sensor offers high performance with long-term stability and is suitable for portable gas detectors. NE4-CO-SI can be used as a substitute for the NE4-CO sensor for lower cost applications such as underground parking monitoring systems.

【Feature】

Good response characteristics
Excellent selectivity for miscellaneous gas
Stable linearity
High reliability and long life
Durability in harsh environments

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NE4-CO-SI specifications

Gas selectivity

Gas type and test gas concentration (ppm)	Equivalent gas concentration (ppm)
Carbon monoxide 100	100
Hydrogen 200	Less than 50
Methane 5000	0
Isobutane 2,500	0
Sulfur dioxide 30	0
Hydrogen sulfide 10	0
Nitric oxide 50	Less than 30
Nitrogen dioxide 30	Less than 1
Ammonia 100	0
Ethanol 2000	Less than 10

Gas sensitivity characteristics

Temperature characteristics

Dimensions

Recommended measurement circuit

basic specifications

Sensor (IE, RE)	NE4-CO-SI
Detection gas	Carbon monoxide
Detection concentration range	0-1,000ppm
Maximum detection gas concentration	1,500ppm
Output value	50 +/- 10nA / ppm.CO (under 20 ℃ environment)
Operating environment (temperature conditions, humidity conditions)	Temperature: -20-+ 50 ℃ Humidity: 15-90% RH
Response time (T90)	Within 30 seconds
Same day reproducibility	Within ± 2%
Annual zero point drift	Within ± 5 ppm
Zero temperature dependence	Within ±10ppm
Long-term stability	Within 5% / year
Design life	24 months
Recommended storage period	Within XNUMX months
Resolution (ppm)	0.5 ppm
Straightness	Within ± 10%
Bias voltage	Must not
Zero point offset	Within ±5ppm

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