Calibration: H2S Sensor - Siemens ULTRAMAT 23 Series Equipment Manual

Functions
8.2 Calibration
Calibrating the sensitivity
Set sp.:
Reading:
Connect span gas
O2 span calibr.
Setpoint
Start cal.
The measuring range of the paramagnetic oxygen sensor is calibrated as standard with ambient
air during each AUTOCAL. However, individual calibration with a freely selectable setpoint
between 2 vol% and 100 vol% O
Note
If an individual calibration has been carried out using calibration gas, the next AUTOCAL
overwrites this calibration. The AUTOCAL must be deactivated if this is not required. To do this:
1. Navigate to the input menu (823) and
2. set the "Autocal O2 sens." parameter there to the value 'NO'.
Adjust setpoint
You can use this function to adjust the setpoint of the calibration gas for calibration of the
measuring range.
MR cal.
Setpoint
Start cal.
MR 1+2:
8.2.4

Calibration: H2S sensor

You first need to select the H
menu as follows:
120
If the adjacent display appears, perform the full-scale calibration
1.25 %
as follows:
0.11 %
1. Connect the sample gas inlet to the calibration gas
2. Inject calibration gas with a flow rate of 1 ... 1.2 l/min
82321
3. Position the cursor at the beginning of the 3rd line (Start
calibration) and press the <ENTER> key.
MR 1+2
Once the intended flow rate has been reached, the message
MR 1+2
'Correction with ENTER' appears in the 4th line of the display.
8223
4. Wait until the displayed measured value has stabilized.
5. Start the calibration by pressing the <ENTER> key.
6. To exit the menu, press the <ESC> key.
is also possible.
2
If the adjacent display appears, adjust the setpoint as follows:
MR 1+2
Position the cursor at the beginning of the 2nd line (Setpoint)
MR 1+2
and press the <ENTER> key.
8232
The adjacent display appears.
10.00 %
• Now enter the desired setpoint using the arrow keys, and
then press the <ENTER> key.
• Exit the menu by pressing the <ESC> key.
82321
S sensor in order to adjust it. To do this, navigate in the operator
2
Equipment Manual, 04/2022, A5E37100388-012
ULTRAMAT 23