Wika CTD9300 Manual do Utilizador descarregar pdf (Página 43)

9037926 03/2005

Temperature Dry Well Calibrators CTD 9300

3. Moduses and Functions

43WIKA Operating Instructions CTD 9300 Rev. 1

Press the CONTROL key to switch between the measuring and

calibration mode. As opposed to calibration mode, the control unit

is switched off in measuring mode.

"Measure" is displayed in the

top left-hand side of the status

bar. The fan cools the calibrator.

If a new nominal value is not

defined, the calibrator will reach

ambient temperature sooner or

later, depending on the

previous application

temperature.

Measuring mode is active after:

 switching on the device

 activating the temperature cut-out

 a fault occurred

Apart from the current block temperature, the standard deviation

across the last n measured values (n = 1 ... 99) as well as the

gradient, the temperature change per minute, is displayed.

If an external reference thermometer is connected, the selection

"t- intern" and "t-extern" will be displayed underneath the nominal

value display. This permits the user to select between an internal

and external reference thermometer. The external reference

thermometer takes on all the functions of the internal thermometer.

Generally, it is used for calibrating very short thermometers only.

3.2 Measuring Mode

Fig. 28: Main menu,

measuring mode

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 133 134

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Wika CTD9300 Manual do Utilizador Página 43