Miniature & Low Power Consumption Type Flammable Gas Sensor - NAP-55A

  • Miniature & Low Power Consumption Type Flammable Gas Sensor
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Supply voltage: DC 2.5±0.25V; AC 2.5±0.25V (r.m.s. 50~60Hz)
Current (2.5V applied): DC 150-170mA; AC 150-170mA (r.m.s. 50~60Hz)
Operating temp.: -10 ~ +50℃
Operating humidity: 95%RH or less
Output in clean air: -35 ~ +35mV

  • Model Number: NAP-55A
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

NAP-55A is a miniature & low power consumption type sensor. NAP-55A is mainly used for gas detectors and leak testers. NAP-55A is a half in height and needs a half in power consumption compared to existing sensor so that thinner and lighter-weight detectors can be produced. The following are the basic characteristics but it is recommended to refer to the individual user’s manual for further information. A measuring circuit for sensor evaluation is the same as NAP-66A.


* Target gases and concentration

Gases
Detection range
Methane
CH4
0.05 ~ 5%      (0.05 ~ 2%)
Propane
C3H8
0.03 ~ 2.2%   (0.03 ~ 1%)
Iso-butane
Iso-C4H10
0.03 ~ 1.8%   (0.03 ~ 0.8%)
Hydrogen
H2
0.05 ~ 4%      (0.05 ~ 1.5%)
Ethanol
C2H5OH
0.05 ~ 3.2%   (0.05 ~ 1.5%) 
Hydrocarbons
CnH2n+2
1~100%LEL    (1~50%LEL)
( ) is a detection range in high accuracy 


* Ratings 

Items
Ratings 
Supply Voltage

DC 2.5 ± 0.25V

AC 2.5 ± 0.25V (r.m.s. 50~60Hz)

Current (When 2.0V is applied)

DC 150 ~ 170mA

AC 150 ~ 170mA (r.m.s. 50~60Hz)

Ambient Temperature

In operation -10 ~ +50℃

In storage -10 ~ +50℃

Ambient humidity

In operation 95%RH or less

In storage 99%RH or less (No dew condensation)


* Gas sensitivity characteristics 

Gases & concentration
Output voltage
Output in clean air
-35 ~ +35mV
Methane 3000ppm
10 ~ 16mV
Iso-butane 1400ppm
10 ~ 15mV
Hydrogen 1400ppm
7 ~ 12mV
Ethanol 1400ppm
Less than 11mV



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