User manual
500GD
MRU GmbH, D-74172 Neckarsulm
45 / 52
Storage Temperature
-20°C ... +60°C
Expected lifetime under normal use
[years]
1…5
Size
62mm x 13,5mm
Interchangeable Sensor HC402 (Nr.11733)
The interchangeable sensor HC402 does not respond to sealing paste
like "neo-fermit" or "plastic-fermit".
Specification
Values
Calibration Gas
CH
4
, C
3
H
8
, H
2
Measuring Range CH
4
0 ... 44000 ppm
Measuring Range C
3
H
8
0 ... 17000 ppm
Measuring Range H
2
0 ... 40000 ppm
Resolution
1 ppm
Response Time (until Alarm)
≤
3s
Operating principle
Gas-sensitive semiconductor
Cross sensitivities
Alcohol, CxHy, solvent
Recommended test
interval
weekly
Test gas
1000ppm CH
4
(50% r. H.)
Heat up time
30s
Operating temperature
+5°C
…
+50°C
Storage Temperature
-20°C
…
+60°C
Expected lifetime under normal use
[years]
1…5
Size
62mm x 13,5mm
