NCP-170S

NCP-170S gas sensor is a single header type for industrial use, and it has been already available in many customers for fixed applications. This type has a simplified explosion proof structure, however it is recommended that it is installed in the approved body by ATEX, CSA or etc.

Dimensions

  • Diameter of base φ16.5
  • Diameter of strainer φ13
  • Height         φ15
  •  Pin length       φ6

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NCP-170S's Structure

Target gases and Concentration

Relative sensitivity
Gases LEL Relative
1 Methane 5.00% 100
2 Propane 2.20 90
3 n-Butane 1.80 80
4 n-Pentane 1.40 80
5 n-Hexane 1.20 80
6 n-Heptane 1.05 65
7 n-Octane 0.95 60
8 Methanol 6.70 125
9 Ethanol 3.30 85
10 IPA 2.20 75
11 Acetylene 2.50 -
12 CO 12.50 115
13 Acetone 2.60 75
14 MEK 1.90 55
15 Toluene 1.20 60
16 Ethyl acetate 2.20 75
17 Hydrogen 4.00 130
18 Ammonia 15.00 140
19 Gasoline Pb free 1.20 80
20 Ethylene 2.70 95
 

Gas sensitivity characteristics

Gas & Concentration Output voltage
 Standard sensitivity 10%LEL of methane  27 - 37mV
Zero offset in air -30 - +30mV

Ratings

Items Ratings
Supply voltage 2.0 V
Current (2.0V supplied) 170 - 190mA
Ambient Temperature In operation -20 - +60°C
Ambient humidity In operation 95%RH or less (No dew condensation)
Measurement range Less than 50%LEL