Sensor type

methan-CH4-TC-5%

Measuring principle

thermocatalytic; Pt + Pd on AI2O3

Measuring range

0-100%LEL(0-5% vol. CH4)

Resolution

0.01 %CH4

Output Sensitivity

25 mV/% CH4, ±5 mv

Zero signal offset

±30mV

Operating Current

50 mA ± 3mA

Diffused power:

120 mW

Supply voltage (mV)

2.7 V±0.10 V

Linearity

< ± 5 % FS

Response time 1 90 (s) at 20°C

< 15s

Warm up/cooling time constant:

0.08s

Warm up/cooling total time:

0.2s

Long term zero drift:

< ± 5% FS/month

Long term sensitivity drift:

< ± 5% FS/month

Operation temperature range:

- 20°Cto+50°C

Operation humidity range:

0-95% (non-condensed)

Storage temperature:

-40°C to +50°C

Effect of humidity:

no

Sensor life expectancy:

> 36 months

Warranty:

24 months

Mechanical dimensions:

diameter 15.5 mm, height 11.8 mm

Dimension of catalytic cell:

appr. 0.25 mm

Mass:

6 g

Cross sensitivities:

usual for thermocatalytic sensors

Poison resistance:

usual for thermocatalytic sensors