Siemens ULTRAMAT 23, Manual, Page: 120 / 244

Functions
8.2 Calibration
ULTRAMAT 23
120
Manual, 3/2016, A5E37100388-003
Navigate as follows to select this function: Calibration -> Please enter code -> Calibrate
sensor -> Select component -> H
2
S -> Calibrate MR.
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)
2. Press the <ENTER> key
The adjacent display appears. You can now enter the setpoint
of the calibration gas:
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.
The adjacent display appears. Now carry out the following
steps for the sensitivity calibration:
1.
Connect the sample gas inlet to the calibration gas.
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.
The message "Tolerance not o.k." appears if an error occurs during the calibration.
8.2.5.4 Calibration: H2S sensor: Enter TC parameters
You use this function to enter the temperature compensation parameters for calibration of
the zero point and sensitivity. You can read these parameters from the sensor.
To do this, navigate as follows: Calibration -> Please enter code -> Calibrate probe ->
Choose component -> H
2
S -> Calibrate TC parameters. The following screen appears: