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Datasheet and Manual Download Page

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Low-cost Electrochemical Toxic Gas Sensors for

Residential and Light Commercial Applications

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NAP-505

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Our flagship Low-Cost 3-Electrode

Carbon monoxide (CO) sensor, 0-1000ppm

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NAP-508

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Low-Cost 3-Electrode Carbon monoxide (CO) sensor, 0-1000ppm, 10 Year Warranted Lifetime

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NAP-550

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Low-Cost Nitrogen Dioxide (NO2) sensor, 0-30ppm, Ideal for Car-Park Monitoring Systems

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NAP-520

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Low-cost Hydrogen Sulphide (H2S)

Gas Sensor, 0-100ppm

Low-cost Catalytic Flammable (Explosive) Gas Sensors  for Residential and Light Commercial Applications

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NAP-55A

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Standard low-cost Gas Sensor, For General Purpose use - all flammable Gases, 0-50%LEL

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NAP-50A

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As NAP-55A, but optimised for Methane / Natural Gas - low cross sensitivity to Alcohol vapours - complies with EN50194 Standard

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NAP-66A

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As NAP-55A, but optimised to detect Butane, Propane, LPG. 0-50% LEL

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NAP-56A

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Similar to NAP-55A, but mounted in a metal and phenolic resin header to allow a wider working temperature range (-40 to +70 deg C)

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NAP-67A

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Similar to NAP-66A, but mounted in a metal and phenolic resin header to allow a wider working temperature range (-40 to +70 deg C)

Catalytic Pellistor Flammable (Explosive) Gas Sensors For Industrial Applications

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NCP-180S-7S

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Our highest performance Pellistor -  for the most challenging applications. Single header, 2.5V - 180mA operation.

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NCP-180S-6S

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Our standard, most popular single header pellistor gas sensor for industrial applications. 2.5V - 180mA operation.

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NCP-300

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Twin Header Pellistor mounted on two

TO4 Glass-metal headers. 2V, 300mA operation

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NCP-170

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Twin Header Pellistor mounted on two

TO4 Glass-metal headers. 2V, 175mA operation

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NCP-180

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Twin Header Pellistor mounted on two

TO4 Glass-metal headers. 2.5V, 180mA operation

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NCP-180S

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As NCP-180 but mounted on a single lower cost header. 0-50% LEL, 2.5V, 180mA operation

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NCP-170S-H

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As NCP-170 but mounted on a single lower cost header. -20 to 150°C, 2.0V, 175mA operation

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NCP-300S

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As NCP-300 but mounted on a single lower cost header. 0-50% LEL, 2.0V, 300mA operation

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NCP-180-A

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Special Twin header sensor optimised for the detection of Acetylene. 2V, 145mA operation

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NCH-180

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ATEX ad IEC Certified Explosion proof Flammable Gas Detection head. 2.5V, 180mA operation

Electrochemical Toxic Gas Sensors for Industrial Safety Applications

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Ozone - NE4-O3

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New Ozone sensor for environmental monitoring of Ozone (O3) down to 0.03ppm (30ppb) in air

Output 600nA/ppm, range 0-20ppm.

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NE4-CO

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3-Electrode Carbon Monoxide CO sensor. 70nA/ppm, Standard range 0-1000ppm

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NE4-CO-SI

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Lower cost version of the NE4-CO, for cost sensitive applications such as Car-Parks. 50nA/ppm, 0-1000ppm

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NE7-CO

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32mm format standard Carbon monoxide CO sensor. 100 nA/ppm, Range 0-1000ppm

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NE4-H2S-100

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3-Electrode Hydrogen Sulphide (H2S) Sensor. 700nA/ppm, Standard Range 0-100ppm

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NE4-H2S-200

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3-Electrode Hydrogen Sulphide (H2S) Sensor. 500nA/ppm, Extended Range 0-200ppm

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NE4-H2S-500

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3-Electrode Hydrogen Sulphide (H2S) Sensor. 200nA/ppm, Special High Range 0-500ppm

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NE7-H2S

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General purpose 3-Electrode Hydrogen Sulphide (H2S) Sensor. Standard 32mm dia. type.

400nA/ppm, Range 0-20ppm

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NE7-H2S-S

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Special low range application 3-Electrode Hydrogen Sulphide (H2S) Sensor

3000nA/ppm, Range 0-10ppm

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NE4-HCHO-S

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3-Electrode Formaldehyde CH2O Sensor. 500nA/ppm, Standard Range 0-10ppm, resolves down to 0.02 ppm

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NE4-NO2

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3-Electode Nitrogen Dioxide NO2 Sensor. 200nA/ppm, Standard Range 0-30ppm

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NE7-NO2

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3-Electode Nitrogen Dioxide NO2 Sensor. 720nA/ppm, Standard Range 0-30ppm

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NE4-NH3

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3-Electrode Ammonia NH3 Sensor. 40nA/ppm,

Standard Range 0-100ppm

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NE4-NH3-1000

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3-Electrode Ammonia NH3 Sensor. 8nA/ppm,

Extended Range 0-1000ppm

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NE4-NH3-5000

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3-Electrode Ammonia NH3 Sensor. 4nA/ppm,

Extended Range 0-5000ppm

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NE4-NO

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3-Electrode Nitric Oxide NO Sensor. 400nA/ppm, Standard Range 0-250ppm.

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NE4-CL2

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3-electrode Chlorine Cl2 sensor. 600nA/ppm, Standard Range 0-10ppm

Gas Sensors for Special Applications

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NAP-78SU

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Special Gas Sensor for continuous monitoring for Incomplete combustion in Water Heating Appliances (Biolers/Furnaces)

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NCP-180P

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Special Gas Sensor for the monitoring of Flammable gas attacks on ATM machines (Cash Dispensers)

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NAP-523

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Special Gas Sensor for monitoring of low levels of H2S in Medical Breath Testing instruments

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NE7-CO-H

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Special 4- Electrode Carbon monoxide sensor with zero cross-sensitivity to Hydrogen.

Range 0-1,000ppm

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NE7-CO-H10000

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Special 4- Electrode Carbon monoxide sensor with zero cross-sensitivity to Hydrogen.

Special High Range 0-10,000ppm

Application Notes:

PELLISTOR POISONING

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Explains the mechanisms by which some chemicals cause poisoning of Catalytic Gas Sensors, lists the common situations and chemicals which can poison pellistors, and offers advice on how to keep these problems to a minimum.

HYDROGEN and AMMONIA

Explains the use of Catalytic Gas Sensors (pellistors) for monitoring low levels of Ammonia or Hydrogen, and how to obtain the very best performance when using pellistors to detect and monitor these gases.

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