Description:
Nap-56a is not made with thermoplastics to achieve a higher temperature
Resistivity. The pin locations and dimensions are compatible to nap-55a for the
Convenience of current users of nemoto nap-55a. The gas sensitivity is better
Than nap-55a by about 15%. Users are to pay attention to this higher gas
Sensitivity upon calibration.
Target gases and concentration
Gasesdetection range
Methanech40.05 - 5% (0.05 - 2%)
Ethanec2h60.05 - 3.2%(0.05 - 1.5%)
Hydrogenh20.05 - 4% (0.05 - 1.5%)
Hydrocarbonscnh2n+21 - 100%lel (1 - 50%lel)
( )is a detection range in high accuracy
Gas sensitivity characteristics
Gas & concentrationoutput voltage
Output in clean air-35 - +35 mv
Methane 3, 000 ppm15 - 23 mv
Iso-butane 1, 400 ppm12 - 18 mv
Hydrogen 1, 400 ppm10 - 17 mv
Ratings
Itemsratings
Supply voltagedc 2.5±0.25v
Ac 2.5±0.25v(r.M.S. 50-60hz)
Current (2.5v supplied)dc 150 - 170ma
Ac 150 - 170ma(r.M.S. 50-60hz)
Ambient temperaturein operation -10 - +50°c
In storage -10 - +50°c
Ambient humidityin operation 95%rh or less
In storage 99%rh or less(no dew condensation)
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