JULABO MA Heating Immersion Circulator - Manual (Page 39)

MA
39
9.5.3. 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).
80.00 °C
120.00 °C
160.00 °C
1. Set working temperature setpoint :
Refer to „Direct temperature setting “ page 23
1. By pressing the key or the circulator switches to the
active >SETPOINT< see example on the left: >t1 25.00°C<.
The integer digits flash (Example: <25>).
2. Change the value to 80.00 °C by pressing the keys and
and
confirm by pressing the key .
The decimal digits flash.
Confirm once more by pressing the key .
3. The bath is heated up.
Wait for approx. 5 minutes until the temperature is constant.
2. Reading of temperature measuring device
Read the value of measuring point CT on the device and enter under
menu item >Ct X< by using the keypad.
>Ct 1< (79.70 °C)
>Ct 2< (119.5 °C)
>Ct 3< (159.3 °C)
3. Calibration
Menu level 1


Press the key if parameter is to be retained. Correction
function for parameters or values (prior to OK).

Setting is required only for the first calibration point.
Level 2 Parameter level

An ATC calibration is to be carried out.
Set to >no<
The parameter flashes, switch by pressing
and .

 The parameter flashes, switch by pressing
and .
A >3-point< calibration is carried out.