Mikster DLM-080 Manuel d'utilisateur télécharger pdf (Page 10)

The DLM-080 FUTURE Digital Recorder – User’s Manual

26.11.2004

• then, in case if channel is defined as 0.20 mA or 4.20 mA input, channel no. 4

display field will show value indicated for 0 mA (4 mA) current, and channel no. 6 display

field will show value indicated for 20 mA current.

3.5.1 Change of active measurement channel

• in order to change currently active measurement channel press

the

keys in channel 1 display field.

3.5.2 Measurement channel tuning procedure for the PT-100 input.

ATTENTION: Check position of measurement input type switch on the back panel

of the Recorder.

1 - select channel to tune by pressing the keys in channel 1

display field.

2 - preset model signal value (0°C; Ro=100 Ω) or place sensing element in water

and ice mix, which permits additional correction of sensing element error.

3 - carry out correction of zero by pressing the key in channel 1 display

field.

(in order to cancel the correction press the

key in channel 2 display field)

completed correction will be indicated by blinking of the diode built-in in the

key in channel 2 display field.

- preset model signal value in a selected point of the PT-100 sensor characteristic

curve.

Recommended values are:

- R100 = 138.5 Ω - which corresponds to the indication of 100 °C

then, by turning potentiometers (for respective channels

Ch1,Ch2,Ch3,Ch4,Ch5,Ch6,Ch7,Ch8) on the back panel of the Recorder, ensure

that correct read out value is being displayed.

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Mikster DLM-080 Manuel d'utilisateur Page 10