Commissioning
31
9.7 ATC - Absolute Temperature Calibration
4x
Atc
Calibration type
tyPE
Calibration value
1P to 3P
Principle:
For ATC calibration, in steady state the bath temperature at the location of
the temperature sensor (CT) is determined at the respective adjusted
working temperature. This value is then set on the circulator in the menu
>ATCalibration< under menu item >Ct<.
M =
Temperature
measuring
instrument with
temperature
sensor
B = Bath tank
T = circulator
CT =
Temperature on
measuring
point
TT =
Temperature on
circulator
The calibration (adjustment) of the temperature sensor can be carried out at
one to three values (balancing points) in the working temperature range.
Place a calibrated thermometer (resolution: 0.01 ° C) in the center of the
bath used to measure the actual bath temperature
In case of a 1-point-calibration (
1P) the adjustment curve is moved
entirely towards the original curve of the sensor.
In case if a 3-point calibration (3P) a bent curve may result. Thus the
accuracy of the temperature indication can be improved in areas important
to the application.
1-point calibration 3-point calibration
T
T
1 = Original curve
Pairs of
tt1, tt2, tt3