Example: 3-point calibration for internal control – JULABO FW95-SL Ultra-Low Refrigerated Circulators User Manual
Page 64
Menu functions
64
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