Measurement Of The Voltage Frequency; Measurement Of The Current Frequency - Metrix MX 650 Notice De Fonctionnement

4.8. Measurement of the voltage frequency

Set the switch to "Hz".
Connect the red test lead to
the "+" terminal and the black
test lead to the "COM"
terminal.
600 1000
PEAK
1mS
HOLD
A
Place the touch prods in
V
1000
400
contact with the points whose
40
Hz
frequency is to be measured.
REL
Read the result on the display.
750
600
1000
600V

4.9. Measurement of the current frequency

Set the switch to "Hz".
Open the clamp by pressing the
trigger.
Encircle the conductor and
close the jaws correctly by
releasing the trigger.
Read the result on the display.
600 1000
PEAK
1mS
HOLD
A
V
1000
Note: For safety reasons,
400
40
disconnect the clamp
Hz
measuring leads before
measuring current frequency.
REL
The clamp should encircle only
one conductor, otherwise the
measurement result may be
750
600
1000
600V
incorrect.
Note: To measure frequency, either the input terminals
(voltage) or the clamp jaws (current) can be used, but the
two sources should never be used at the same time.
26
Chapter II
MX 650 / MX 655