7 Appendix
│
49
MultiTec 540
Measuring range
0 – 2000 ppm
Resolution
1 ppm (0 – 100 ppm)
2 ppm (100 - 998 ppm)
0.02 % vol. / 200 ppm (0.10 - 0.2 % vol.)
Response times
t
90
< 30 s
Warm-up time
approx. 1 min
Temperature range
-20 °C – 40 °C
Measuring error
±3 % or ±3 ppm (±3 digits)
±3 ppm (long-term stability)
Interference
at 20°C
100 ppm CO: approx. 1 ppm H
2
S
1000 ppm H
2
: approx. 7 ppm H
2
S
Lifetime, expected
24 months
7.5.2.3 Carbon monoxide CO
Measuring range
0 – 500 ppm
Resolution
1 ppm
Response times
t
90
< 30 s
Warm-up time
approx. 1 min
Temperature range
-20 °C – 40 °C
Measuring error
±10 % or ±3 ppm (±3 digits)
±5 ppm (long-term stability as per EN 45544)
Interference
at 20°C
3000 ppm H
2
: approx. 1000 ppm CO
100 ppm NO: approx. 25 ppm CO
Lifetime, expected
36 months
7.6
Technical information
7.6.1
Identification sticker (back of device)
The symbols on the sticker mean the following:
Only ever open the battery compartment outside of
the explosive area.
Read the operating instructions.
