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Contact combustion type gas sensor NAP-51A

  • For consumer
  • Consumer alarm
  • Contact combustion type
  • Combustible gas (for city gas)

Like the NAP-51A, the NAP-50A is a model with reduced alcohol sensitivity.False detection due to alcohol used in disinfection and cooking can be suppressed. Gas sensitivity is about 50 times higher than NAP-1.6A.

Measurement range
City gas 0-50% LEL
Detection target gas
City Gas

Contact combustion type gas sensor NAP-56A

  • For consumer
  • Consumer alarm
  • Contact combustion type
  • Combustible gas (for city gas)

Like the NAP-56A, the NAP-55A is a gas sensor suitable for detecting city gas leaks. Gas sensitivity is 55 to 1.2 times higher than NAP-1.5A, making it easy to design.

Measurement range
City gas 0-50% LEL
Detection target gas
City Gas

Contact combustion type gas sensor NAP-50AF

  • For consumer
  • Consumer alarm
  • Contact combustion type
  • Combustible gas (for city gas)

NAP-50AF is a type of gas sensor in which NAP-50A is filtered with activated carbon.Durability is improved by suppressing the influence of miscellaneous gas in the environment with an activated carbon filter.

Measurement range
City gas 0-50% LEL
Detection target gas
City Gas

Contact combustion type gas sensor NAP-66A

  • For consumer
  • Consumer alarm
  • Contact combustion type
  • Combustible gas (for LP gas)

NAP-66A is a consumer sensor that is ideal for detecting household LP gas leaks.With a market record of more than 30 years since its launch, we have a 25% share of the domestic market for LP gas alarms.

Measurement range
LP gas 0-50% LEL
Detection target gas
LP gas

Contact combustion type gas sensor NAP-67A

  • For consumer
  • Consumer alarm
  • Contact combustion type
  • Combustible gas (for LP gas)

NAP-67A is a consumer sensor suitable for household LP gas leak detection. Compared to NAP-66A, the gas sensitivity is 1.2 to 1.5 times higher, making it easier to design.

Measurement range
LP gas 0-50% LEL
Detection target gas
LP gas

Contact combustion type gas sensor NAP-78SU

  • For consumer
  • Consumer alarm
  • Water heater / boiler
  • Contact combustion type
  • Incomplete combustion exhaust gas

NAP-78SU is a gas sensor developed to detect incomplete combustion of gas water heaters. It can directly detect exhaust gas at about 200 ° C and is sensitive to carbon monoxide and hydrogen.A bridge circuit is built on the board, and it can be adjusted to any zero point with a variable resistor.

Measurement range
Incomplete combustion exhaust gas within 1% * Contains 0.5% hydrogen
Detection target gas
Incomplete combustion exhaust gas

Contact combustion type gas sensor NAP-80S

  • For consumer
  • Consumer alarm
  • Water heater / boiler
  • Contact combustion type
  • Incomplete combustion exhaust gas

NAP-80S is a type of gas sensor with improved hydrogen durability of NAP-78SU.Conventional sensors could fail if exposed to hydrogen gas above LEL, but this sensor is completely unaffected and can detect repeatedly.

Measurement range
Incomplete combustion exhaust gas within 1% * Contains 0.5% hydrogen
Detection target gas
Incomplete combustion exhaust gas