Siemens FIDAMAT 6-G, Operating Instructions Manual, Page: 52 / 160

Commissioning
4.3 Commissioning and operation
FIDAMAT 6-G
4-12
Operating instructions, 07/2006, A5E00478463
4.3.7 Calibration examples
a) Detection of hydrocarbons in air
Measuring range: 0 – 20 ppm C1
Test gas: 15 ppm methane in air
Zero gas: Synth. air (hydrocarbon-free)
Step Procedure Function no. Input Comment
1 Select measuring range
start-of-scale value and
full-scale value
41 0 – 20 ppm
2 Input setpoints for zeros
and span
22 Zero: 0 ppm sens.:
15 ppm
Observe input
pressures (see
"Technical data")
3 Calibrate zero 20
4 Calibrate span 21
b) Detection of hydrocarbons in air
Measuring range: 0 – 50 ppm C3
Test gas: 90 ppm methane
Zero gas: Nitrogen (hydrocarbon-free)
Step Procedure Function no. Input Comment
1 Select measuring range
start-of-scale value and
full-scale value
41 0 – 50 ppm
2 Input setpoints for zeros
and span
22 Zero: 0 ppm C3
sens.: 30 ppm C3
90 ppm C1 give
30 ppm C3
3 Calibrate zero 20
4 Calibrate span 21
Note
The operation and input options of the named functions are described in detail in
"Operation".