Siemens ULTRAMAT 23 Product Information page 11

Calibrating the measuring range
Span calibration
You can calibrate the sensitivity of the sensor using this function. To do this, proceed as follows:
MR Cal.
Set span gas value
Start Cal. MR1+2
1. Position the cursor on the 3rd line (Start Cal.) of the screen.
2. Press the ENTER key. The following screen appears:
Set sp.:
Reading:
Connect span gas
3. Connect the sample gas inlet to the calibration gas.
4. Inject calibration gas with a flow rate of 1 ... 1.2 l/min.
5. Wait until the measured value has stabilized.
6. Then press the ENTER key.
7. You can end the calibration by pressing the ESC key.
If an error is detected during the calibration, error number 30 is displayed (sensitivity of H
Defining the installation
You have to re-enter the date of installation after installing a new sensor. Prior to entering the date, you have to perform a
zero point and measuring range calibration of the H
The following screen appears when you select the 'Installation date' command:
H2S Cal after inst.
Date :11/05/2011
Now you can enter the date of installation in the form: 'DD.MM.YYYY'.
Supplement 1 for Operating Instructions C79000-G52xx-C216-03
A5E02769382-03, 03/2012
50 vpm
47 vpm
S sensor, otherwise the new date will not be accepted.
2
S sensor too low).
2
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