Calibration Examples - Siemens FIDAMAT 6-G Operating Instructions Manual

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