Lauda IN 550 XT FC Operation Manual page 99

Offset
2-point calibration
V4
For calibration, the reference thermometer must be installed in the
n
inlet of the device according to the specifications on the calibration
certificate.
To measure the temperature, wait until the system is in a steady state.
n
1. Press the [Enter key] to open the menu.
2.
Select the menu items  Setup  Calibration  intern Pt1000 or
 extern Pt100  Offset.
The entry window opens.

3. Enter the temperature value read from the reference thermometer
into the entry window.
4. Press the [OK] to confirm the new value.
The new value has been accepted.

For calibration, the reference thermometer must be installed in the
n
inlet of the device according to the specifications on the calibration
certificate.
The upper and lower temperature measurement points must be at least
n
40 K apart.
To measure the temperature, wait until the system is in a steady state.
n
1. Set a low T
2. Wait until the setpoint and the temperature of the heat transfer liquid
have equaled out.
3. Press the [Enter key] to open the menu.
4.
Select the menu items  Setup  Calibration  intern Pt1000 or
 extern Pt100  2-point lower .
The entry window opens.

5. Enter the temperature value read from the reference thermometer
into the entry window.
6. Press the [OK] to confirm the new value.
The lower value has been accepted.

7. Set a high T
8. Wait until the setpoint and the temperature of the heat transfer liquid
have equaled out.
9. Select the menu item [2-point upper] in the Calibration menu.
The entry window opens.

10. Enter the temperature value read from the reference thermometer
into the entry window.
11. Press the [OK] to confirm the new value.
The upper value has been accepted. 2-point calibration has been

completed.
Integral process thermostats with flow control unit
setpoint on the device.
set
setpoint on the device.
set
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