Calibration: H2S Sensor: Calibrating The Measuring Range - Siemens ULTRAMAT 23 Series Equipment Manual

Functions
8.2 Calibration
To do this, navigate as follows: Calibration -> Please enter code -> Calibrate probe -> Choose
component -> H
H2S Zero cal.
3.3 vpm
Nitrogen flow please
Correct with ENTER
The message "Tolerance not o.k." appears if an error occurs during the calibration.
8.2.4.3

Calibration: H2S sensor: Calibrating the measuring range

You can enter the setpoint and calibrate the sensitivity of the sensor using this function.
Navigate as follows to select this function: Calibration -> Please enter code -> Calibrate sensor
-> Select component -> H
MR Cal.
Set span gas value
Start Cal. MR 1+2
MB 1+2
MR Cal.
Set span gas value
Start Cal. MR 1+2
Set sp.:
Reading:
Connect span gas
The message "Tolerance not o.k." appears if an error occurs during the calibration.
122
S -> Calibrate zero.
2
The adjacent display appears.
H2S In the case of analyzers with an internal sample gas pump, se‐
lecting this function switches from the sample gas inlet (inlet 1)
to the zero gas inlet (inlet 3).
82412
Calibrate the zero point as follows:
• Connect zero gas to the analyzer and observe the display.
• Wait until the displayed value has stabilized.
• Commence with correction of the zero point by pressing the
<ENTER> key.
• Exit the calibration by pressing the <ESC> key.
S -> Calibrate MR.
2
The adjacent display appears.
Proceed as follows to enter the setpoint:
1. Position the cursor on the 2nd line of the display (Setpoint
MR 1+2)
82413
2. Press the <ENTER> key
The adjacent display appears. You can now enter the setpoint of
10.00 vpm
the calibration gas:
82413a
Calibrate the sensitivity as follows:
1. Position the cursor on the 3rd line of the display
(Start cal. MR 1+2).
2. Press the <ENTER> key.
82413
50 vpm
The adjacent display appears. Now carry out the following steps
41 vpm
for the sensitivity calibration:
1. Connect the sample gas inlet to the calibration gas.
82413b
2. Inject calibration gas to the sensor with a flow rate of
1.2 ... 2.0 l/min.
3. Wait until the measured value has stabilized.
4. Then press the <ENTER> key.
5. Exit the calibration by pressing the <ESC> key.
Equipment Manual, 04/2022, A5E37100388-012
ULTRAMAT 23