Manual

Menu functions

9.7.4. Example: 3-point calibration for internal control

In the temperature range from 80 °C to 160 °C the calibration curve of the

temperature sensor (TT) is to be adjusted to the actual temperatures at

measuring point (CT).



1. Set circulator to internal control:

 The type of control can be set only in the –OFF- mode.

80.00 °C

120.00 °C

160.00 °C

2. Set working temperature setpoint

See standard display line 1

 Example 80.00 °C

Press the keys

and and confirm by pressing .

 The bath is heated up.

Wait for approx. 5 minutes until the temperature is constant.

3. Reading of temperature measuring device

Read the value of measuring point CT on the device and enter under menu

item > CalValue X< by using the keypad.

CalValue 1< (79.70 °C)

CalValue 2< (119.50 °C)

CalValue 3< (159.30 °C)



4. Calibration



 Press the key if a parameter is to be retained. (prior to OK)

 Setting is required only for the first calibration point.

Level 2 Parameter-Level



Set sensor: >intern<.

 The parameter flashes, switch by

pressing and



Set to >no<

 The parameter flashes, switch by

pressing and



A >3-point< calibration is carried out.

 The parameter flashes, switch by

pressing

and