HTC 7250IN User manual

It is recommended to select the specific 8pcs
When charging battery is applied, the charging battery
work mode should be selected at the startup:
Insulation Resistance Tester
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
8 pcs
One-plug
Two-plug
optional,
chargeable batteries (LR14) and a charger.
damaged part,
alerts the user to avoid electric shock.
affect
test
leads and power adaptor with the same
model or identical electrical specifications.
Low Battery Indication
after 15 minutes' inactivity.
There is a battery indicator shown on the upper left
corner of the display. Please refer to Table 3 for
detailed explanation.
almost
necessary. Under this status, the Meter
can still output 500V and 1000V to
measure, the measured accuracy will
not be affected.
hold USB button prior to startup, then press down ON/
OFF, LCD screen will display CHA or GEN, and select
to display CHA by pressing the up/down key, after
pressing USB key to confirm, the Meter successfully
enters the charging battery work mode. GEN means
the general alkaline battery work mode.
Press and
Two-plug
One-plug
One-plug
(Connected to one-plug test lead)
(Connected to one-plug black test lead)
( Connected to two-plug red test lead )
(Connected to two-plug red test lead)
voltage input terminal
Arrow Button
Arrow Button
Arrow Button
Arrow Button
The Meter defaults at 500V range and
under continuous measurement of
insulation resistance when turned on.
LIGHT Press to turn on/off the backlight.
Press to clear the saved data.
value. The Meter can save up to 18 sets.
previous
voltage range.
next voltage
range.
setting the timer for the
When compare function is enabled for
insulation resistance measurement,
values
setting the timer for the
When compare function is enabled for
insulation resistance measurement,
values
Press
measurements
This
The Meter defaults at
500V range and under continuous measurement of
insulation resistance when turned on.
This Meter complies with EN 61010-1:2010 safety
measurement requirement:Pollution Degree 2,
measurement category CAT III 600V and Double
Insulation.
CAT II (measurement category): Test and measuring
circuits connected directly to utilization points (socket outlets
and similar points) of the low-voltage MAINS installation.
CAT III (measurement category): Test and measuring
circuits connected to the distribution part of the building’s
low-voltage MAINS installation.
Equipment protected throughout by DOUBLE
INSULATION or REINFORECD INSULATION
Direct current
Alternating current
Caution
7250IN
7250IN

This operating manual is subject to change without notice.
*END*
Insert the red test lead into two LINE terminals,
the black one into GUARD and the green one
into EARTH.
-114
Caution
test leads into EARTH
and two LINE terminals.
present on the red test lead,
if negative voltage is
output
cause
measuring resistance ＜V.
measuring resistance ＜V.
measuring resistance ＜V.
measuring resistance ＜V.
voltage range.
green
outputs
Choose one of insulation resistance measurement
modes shown as below:
personal injury.
carry out begin and output insulation resistance
test voltage
turn off the voltage output,
the
the test voltage
output will be turned off,
the test
voltage output will be turned off and the
step
readings.
Calculation Tips:
PI = 3-minute ~ 10-minute resistance/30-second ~
1-minute resistance
You can choose compare from:
compare value.
See Figure 6 for the use of power adaptor.
 Adaptor
Figure 6. Using Power Adaptor

See Figure 7 for USB interface connection.

18 sets
Test Voltage Automatically source the voltage.
Preset the timer for
two points and the Meter will carry out the measurement automatically.
B. Insulation Resistance Measurement
less
REV.0
2016/3/2
7250IN
7250IN
7250IN