Julabo LC 4 Temperature controller Bedienungsanleitung PDF herunterladen (Seite 23)

LC4

6. Menu functions

Parameters and values are set via the menu level that may be

selected at any time.

 Enter or exit the menu level by pressing the left arrow and

enter at the same time.

 Using the cursor keys select the menu functions one

by one.

6.1. Sensor calibration - ATC function

Controller (TT)

Calibration bath (TM)

The ATC (Absolute Temperature Calibration) function serves to

calibrate the working sensor.

 Place the working sensor "A" and the temperature sensor of a

thermometer in the calibration bath.

 Determine the difference temperature (∆T=TM - TT)

and store as correcting factor (example ∆T = -0.26 °C) as

follows:

 With the edit keys

change the menu function from

"Atc 0" to "Atc 1" and then press enter .

 Using the cursor keys and the edit keys

set the correcting factor (example -0.26 °C) and then press

enter .

After exiting the menu level, the corrected value (example: 36.7

°C) is indicated on the MULTI-DISPLAY (LED).

Recommendation:

In case a calibrated temperature measuring instrument is used, the

ATC function allows the controller to be used as testing instrument

according to ISO 9000.

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Julabo LC 4 Temperature controller Bedienungsanleitung Seite 23