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Initial operation
7.10.5 Setting band limit
7.11 Connect external temperature sensor
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In order to gently control the temperature of a sample in an external system, or
to protect a glass reactor from thermal stress, for example, maximum
permissible temperature differences can be specified for the heating phase and
the cooling phase.
The upper and lower band limit is defined in °K. In the heating phase the set
value will be added to the external actual value. In the cooling phase the set
value will be subtracted from the external actual value. The setting range is
between 1 and 200 °K.
The device is switched on.
1. Bring up the <Main menu>.
2. From the <Thermodynamics> submenu, select the menu option
<Adjust controller>.
The dialog box for setting the controller appears on the display.
3. Switch to the submenu <Limits>.
4. In the dialog box that appears, set the lower and upper band limits and
confirm your entry.
The band limits are set and immediately active.
A Pt100 temperature sensor can be attached to the rear of the device.
The device is switched off.
A Pt100 temperature sensor with suitable connection is available.
1. Connect the Pt100 to the ext.Pt100 socket on the back of the device.
2. Switch the device on.
3. From the <Thermodynamics> submenu, select the menu option
<Adjust controller>.
4. Enable the menu option [External] for external control.
5. Bring up the menu option <Control behavior>.
6. Set the control parameter for external control.
The external temperature sensor is connected and ready for operation.
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