Sanwa EM7000, Инструкция по эксплуатации, Страница: 54 / 68

DRAWING No.EM7000 09-1306 2040 2040
3) Measurement procedure
Insert the black plug of
the HV probe into the
–COM input terminal
and the red plug into
the +input terminal.
Turn the function/range
selector to the
HV PROBE position.
Turn on the power switch
(power ON: Lamp blinks).
Turn the electrical
— 50 —
zero adjuster (ZERO ADJ) to adjust the pointer to the zero
position of black DCV
•
A scales.
First, connect the clip (black) of the probe to the earth line
(–COM) in the circuit to be measured, and then apply the
measuring pin on the probe body to your measuring point.
Read the pointer on DCV
•
A (0 - 30) scale in a unit of kV.
After measurement, remove the measuring pin from the
measured circuit, and then remove the clip.
Turn off the power switch (power OFF: Lamp blinking goes off).
The HV-60 probes cannot be used for AC voltage measurement.
In the measurement of circuits having high internal resistance
such as high voltage circuits of TV sets, a large voltage drop
occurs in high voltage circuits when the measured current
flows, and thus a meter indication may be lower by several
percents than the actual voltage.
6-9 End of Measurement
When measurement is end, be sure to return the power switch to the
OFF position and the function/range selector to the ACV 750 position.
Be sure to turn off the power switch after use, as the built-in
batteries are consumed.
HV PROBE
0
DCV
•
A
Anode
CRT
Earth line
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