HT instruments MACROTEST 5035 - Manual (Page 11)

MACROTEST 5035
EN - 10
4.1.1. Mode "CAL"
1. Select mode
CAL by means of the FUNC key.
2. Connect the black and blue cables to the instrument input terminals
B1 and B4
respectively:
B2 B3 B4 B1
Connection of instrument terminals during calibration procedure.
3. If the cables supplied with the instrument are not long enough for the measurement you can
extend the blue cable.
4. Connect the crocodiles to the cable terminals.
5. Short-circuit the measuring cable ends making sure that the conductive parts of the
crocodiles make a good contact to each other (see previous picture).
6. Press the
START/STOP key. The instrument carries out the calibration.
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 until a
new calibration is
carried out.
CAL LOW
Ω
0.00
Ω
203
mA
This screen is displayed
for only 2 seconds
then the instrument
emits a double sound
signal (indicating that the calibration is
completed) and displays the default screen
relative to the LOW
Ω test under AUTO mode.
NOTE: The instrument effects the calibration of cables with resistance lower of 5
Ω.
Message CAL:
means that the
instrument was
calibrated; this
symbol
remains
on the display
for any further
measurement
even though the
unit is switched
off and on again.
Current supplied
by the instrument
during the
calibration
procedure.
START
STOP