Amprobe DMIII-Multitest Power-Quality-Recorder Uživatelský manuál stáhnout pdf (Strana 16)

AMPROBE

DMIII MULTITEST

EN-14

6.1.1. Calibrating the test leads ("CAL" Mode)

1. Connect the black and yellow test leads to T1 and T4 input terminals

respectively.

T1 T2 T3

I1 I2 I3

(V1) (V2) (V3)

(COM)

Connection of instrument terminals during calibration procedure.

2. If the test leads supplied with the instrument are not long enough for the

measurement you can extend the black cable.

3. Short-circuit the measuring cable ends making sure that the conductive parts of the

alligator clips make good contact with each other (see previous picture).

4. Press the F2 key. The instrument performs the calibration.

WARNING

Never disconnect the test leads when the message "MEASURING" is

displayed.

LOW 05.06.01

A numerical value

----

R+ R-

---- ----

---mA ---mA

AUTO 0.11

in this field means

that the instrument

has been

calibrated; this

value remains on

the display for

any further

measurement

even though the

unit is switched off

and on again.

FUNC

CAL

5. At the end of the test the result is stored and used as OFFSET (that is to say

that it is subtracted from any continuity test carried out) for all the

subsequent measurements.

Note: The instrument performs the calibration only if the resistance of the test leads is

lower than 5.

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