7 - Technical Specifications
61
Sensors
Non-exhaustive list.
Table No. 1
Methane (CH
4
)
Methane (CH
4
)
Propane (C
3
H
8
)
Sensor P/N
6314064
6313969
6313969
Standard range (1)
0 - 100% LEL CH4
0 - 100% LEL CH4
0 - 100% LEL
C3H8
Measurement principle
Infrared
(not CSA certified)
Catalytic
Display resolution(1)
1% LEL
1% LEL
Accuracy (2)
2
2
Repeatability (3)
± 2% LEL
± 1% LEL
Zero/Span drift (4)
1 / 2
0.5 / 2.5
0.5 / 5
Response time (5)
< 30s
< 20s
< 25s
Temperature (6)
-20°C to +55°C
-20°C to +50°C
Relative humidity and
pressure range (7)
■
0
– 99% RH
■
1 bar ± 10%
■
0
– 99% RH
■
1 bar ± 20%
Lifetime (8)
> 60 months
48 months
Storage conditions and
maximum storage time
(9)
■
4°C to +20°C
■
10-60% RH
■
1 bar ± 10%
■
6 months maximum
■
-40°C to +40°C
■
10-60% RH
■
1 bar ± 10%
■
6 months maximum
Warming-up Delay (10)
300s
30s
Notes
Hydrogen cannot be
detected with IR
sensor.
■
Measurement is underestimated if
oxygen level is < 10%.
■
Exposure to high levels of silicon or sulfur
vapors may damage the sensor.
■
The monitor is sensitive to the majority
of combustible gases.
Summary of Contents for BM 25A/AW
Page 1: ...BM 25A AW Area Gas Monitor Part Number NP25AEN Version C 4 User Manual ...
Page 10: ...10 BM 25A AW Instruction Manual Product Overview Figure 2 Product Overview ...
Page 18: ...18 BM 25A AW Instruction Manual ...
Page 34: ...34 BM 25A AW Instruction Manual ...
Page 70: ...70 BM 25A AW Instruction Manual ...
Page 75: ...9 Special Instructions 75 CSA Control Drawing for BM 25A AW Connections ...
Page 78: ...78 BM 25A AW Instruction Manual ...