Have become a market leader in test and measurement in
recent years, due to the company's ability to design and bring to
the market innovative instruments and devices which offer real
customer benefits. The cornerstone of this ability is the
company's focus on customer requirements and the emphasis
placed on end-user satisfaction. We appreciate customer
information and requirement to improve or design new
products.
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Page 4
1.Safety
Electricity can cause severe injuries even with low
voltages or currents. Therefore it is extremely important
that you read the following information before using your
digital insulation tester.
1.1 This instrument must only be used and operated by a
competent trained person and in strict accordance with
the instructions. We will not accept liability for any
damage or injury caused by misuse or non compliance
with instructions and safety procedures.
1.2 This instrument must not be used on live circuits.
Ensure all circuits are de-energized before testing. See
paragraph 1.8 for details of built-in warning features
should your digital insulation tester be connected to a
live system.
1.3 Never open your digital insulation tester except for
battery replacement. (See "Battery Replacement"
section.)
1.4 Always inspect your digital insulation tester and test
leads before use for any sign of abnormality or damage.
If any abnormal conditions exist ( i.e. broken test leads,
cracked case, faulty display, etc .) do not attempt to take
any measurement or use the tester. Return your digital
insulation tester to us or your nearest distributor for
service.
1.5 Never replace the protective fuse with anything other
than the specified or approved equivalent.
1.6 Your digital insulation tester has been designed with
your safety in mind. However, no design can completely
protect against incorrect use.
-1-
Page 5
Electrical circuits can be dangerous and/or lethal when a
lack of caution or poor safety practice is used. Use
caution in the presence of voltage above 24V as this
poses a shock hazard.
1.7 Pay attention to cautions and warnings which will inform
you of potentially dangerous procedures.
1.8 Your digital insulation tester has a live circuit warning
beeper.
If it is connected to a live circuit, a rapid pulsating beep
will be heard.
DO NOT proceed to test and immediately disconnect
The instrument from the circuit. In addition your tester
will display the warning message.
1.9 Rated environmental conditions :
1.9.1 Indoor use.
1.9.2 Pollution Degree 2.
1.9.3 Altitude up to 2000 meters.
1.9.4 Relative Humidity 80% Max.
1.9.5 Ambient Temperature 0~40° .
1.10 Observe the international electrical symbols listed below.
C
Meter is protected throughout by double insulation
or reinforced insulation.
Warning! Risk of electric shock.
Caution! Refer to this manual before using the
meter.
Direct current.
-2-
Page 6
2. Models
2.1 Model(500V~5kV)
– Four voltages ( 500V, 1KV, 2.5KV and 5KV )
– Auto-ranging and menu-driven
– A bar-graph which displays the voltage decay during
the discharge of the tested circuit and the voltage
stressing the insulation while the test is in progress.
– A timer which shows the elapsed time when the test
was "ON" and also shows the total time of the test.
– Displays a voltage warning and sound when AC or DC
is present before injecting the test voltage.
– A buzz will intermittently sound when high voltage is
generated and continues until the circuit is fully
discharged.
2.2 Model(1kV~10kV)
– Four voltages ( 1KV, 2.5KV, 5KV and 10KV )
– Auto-ranging and menu-driven.
– A bar-graph which displays the voltage decay during
the discharge of the tested circuit and the voltage
stressing the insulation while the test is in progress.
– A timer which shows the elapsed time when the test
was "ON" and also shows the total time of the test.
– Displays a voltage warning and sound when AC or DC
is present before injecting the test voltage.
– A buzz will intermittently sound when high voltage is
generated and continues until the circuit is fully
discharged.
-3-
Page 7
3.Features
— 2 Lines x 16 Characters large L.C.D.
— Four insulation test voltage.
(1)500V DC - 25G
(2) 1000V DC -50G
(3) 2500V DC - 125G
(4) 5000V DC - 250G
Model
Model
1000V DC - 50G
2500V DC - 125G
5000V DC - 250G
10000V DC - 500G
— Insulation resistance auto-ranging on all ranges.
— ENER-SAVE™ .
— Bar-graph indicates test voltage-rise and decay can be
observed during tests.
— Warning and display of external voltage presence.
— Over load protection.
— Low battery indicator.
— Measure insulation time test.
— Very low battery consumption.
— Smart microprocessor controlled.
— Two years actory warranty.
f
— Better than 5% accuracy.
— Auto-off.
— Compact and lightweight.
4.Connections
+++
EARTHLINE
0V
GUARD
CABLE CORE
INSULATION
-4-
OUTER
SHEATHING
COVERING
Page 8
5.Specifications
Model
Test Voltage 500V DC1kV DC2.5kV DC 5kV DC
Measuring25G50G125G250G
RangeAuto Ranging
Accuracy% ±2 Digits
Power8 x 1.5V
Model
Test Voltage 1kV DC2.5kV DC5kV DC10kV DC
Measuring50G125G250G500G
RangeAuto Ranging
Accuracy5% ±2 Digits
Power8 x 1.5V
5
Alkaline Battery
Alkaline Battery
-5-
Page 9
6.Instrument Layout
Model
EARTH
DO NOT USE
ON LIVE SYSTEM
ON / TEST
HIGH VOLTAGE DIGITAL INSULATION TESTER
12
GUARD
MICROPROCESSOR CONTROLLED
Insulation Tester
5KV 2.5KV 1KV 500V
3
4
LINE
5
1. On switch.
Test button switch.
ENER-SAVE function switch.
TM
2. 5000V test selection button.
3. 2500V test selection button.
4. 1000V test selection button.
5. 500V test selection button.
6. ENER-SAVE Intelligent L.C.D.
TM
AUTO RANGING
AUTO OFF
6
-6-
Page 10
Model
EARTH
DO NOT USE
ON LIVE SYSTEM
0V
GUARD
MICROPROCESSOR CONTROLLED
LINE
Insulation Tester
AUTO RANGING
AUTO OFF
ON / TEST
HIGH VOLTAGE DIGITAL INSULATION TESTER
1
10KV 5KV 2.5KV 1KV
2
3
5
4
6
1. On switch.
Test button switch.
ENER-SAVE function switch.
TM
2. 10000V test selection button.
3. 5000V test selection button.
4. 2500V test selection button.
5. 1000V test selection button..
6. ENER-SAVE Intelligent L.C.D.
TM
-7-
Page 11
7.Functions
7.1 Power-On
To switch the instrument on, press the "ON" button (1).
The L.C.D. will display the SEW Model. Then follow
interactive instructions on L.C.D.
7.2 Insulation resistance measurement @ 10kV DC: To
select 10kV DC test voltage, press 10kV button (2)
(only available on ).
7.3 Insulation resistance measurement @ 5kV DC:
select 5kV DC test voltage, press 5kV button (2) on
model Model and (3) on model Model.
7.4 Insulation resistance measurement @ 2.5kV DC:
select 2.5kV DC test voltage, press 2.5kV button (3)
on model Model and (4) on model Model.
7.5 Insulation resistance measurement @ 1kV DC:
select 1kV DC test voltage, press 1kV button (4) on
model Model and (5) on model Model.
Insulation resistance measurementTo
7.6 @ 500V DC:
select 500V DC test voltage, press 500V button (5)
on model Model (only available on Model).
7.7 ENER-SAVE Mode
Ÿ Saves battery life by automatically turning the
instrument to low consumption ( reducing the test
duration ).
Ÿ
Default mode.
Ÿ
Enabled when pressing the TEST button (1) for less
than 3 seconds.
Ÿisabled when pressing the TEST button (1) for
D
more than 3 seconds.
Ÿ When disabled, the instrument operates in
continuous mode.
7.8 Voltage Output Bar-Graph.
The bar-graph displays the voltage present on the
Model
To
To
To
TM
-8--9-
Page 12
leads. It also displays the voltage charging a cable or
capacitive system under test and displays the decay
during the automatic capacitive discharge of the
system under test.
7.9 Auto-Low Resistance Detect.
While in insulation test mode and if the L.C.D.
displays "LOW M ", stop the test immediately. This
could mean that the insulation has a breakdown, thus,
you are now trying to inject a very high voltage on a
short circuit.
7.10 Timer
The duration of the test is shown on the L.C.D. This
is particularly useful to verify that insulation does not
break down within a certain time.
7.11 STOP Test
To stop the test in progress, press the TEST button (1)
The test will immediately stop and the instrument will
enable the ENER- SAVE mode automatically.
TM
7.12 Auto-Stop.
Should the operator leave the instrument in the test
mode with the disabled, the
ENER-SAVEinstrument
TM
will automatically stop the test after a duration of 99.9
seconds. (Auto-off still applies.)
7.13 Auto Live / Voltage Warning.
Should the leads be placed onto a live system before
starting the test, a warning beeper will be
automatically
activated and, the instrument will display "Live Warning
..... Circuit Live ......." message.
Allow the instrument to discharge the circuit ( in the
case of capacitive system ) o r make sure that the
circuit under test is not live.
.
Page 13
7.14 Auto-Discharge.
At auto-stop or test completion, the instrument
automatically discharges the system under insulation
test so that the dangerous high voltage is discharged.
The auto-discharge can be observed on the L.C.D. So
that the operator only removes the leads when the
discharge is completed. During discharge, a beep
occurs so that the user waits for the complete discharge
of the system under test.
This is indicated by a one-second long beep
accompanied by the "HOLD" message on the display.
DO NOT REMOVE LEADS UNTIL THE HOLD
MESSAGE APPEARS ON THE DISPLAY.
7.15 "Replace Battery" Warning Indicator.
If the battery energy is detected to be too low, the
instrument will display the "Replace Battery" warning
and automatically shut-down.
The instrument cannot operate properly with a low
battery.
Use only Alkaline batteries.
7.16 Auto-Off.
The Auto-off is annunciated by a one-second beep.
The Auto-off timer is automatically enabled.
LIVE WARNING MESSAGE / BEEPER
To clear Live Warning Message / Beeper
Remove leads from circuit under test and push
"TEST" button until display clears.
-10-
Page 14
8.Preparation for Measurement
Before testing always check the following:
Ÿ At power "ON", read the display to make sure the
"Replace Battery" message is not displayed.
Ÿ There is no visual damage to the instrument or test leads.
Ÿ Test Leads continuity:
Using an ohm-meter, check the resistance/continuity of
the leads.
9.Battery & Fuse Replacement
Ÿ The digital insulation tester's battery is situated under the
tester.
Ÿ The ENER-SAVE display will indicate when the
TM
batteries need to be Replaced.
Ÿ Disconnect the test leads from the instrument, remove
the battery cover and the batteries.
Ÿ Replace with eightAlkaline 1.5V R6 or L6 batteries,
taking care to observe correct polarity.
Ÿ Replace battery holder and the battery cover.
10.Calibration & Servicing
Both calibration and servicing are performed at our
facilities.
Contact our company or your nearest distributor about
calibration certificate and servicing. Before returning the
instrument, ensure that the leads have been checked for
continuity and signs of damage and the batteries are in
good condition.
-11-
Page 15
11.Insulation Resistance Testing with Model
Warning : Insulation test should be conducted on
circuits that are de-energized. Ensure circuits are
not live before commencing testing.
Model
Turn instrument "ON" by pressing the "ON" button.
The L.C.D. display will advance to the following screen.
Select Test 5KV
2.5KV, 1KV, or 500V
Select insulation test voltage, for example, 500V.
The following screen will confirm your selection.
500V 25G
Selected
Follow the interactive screen.
Connect Leads,......
Testing for Live.
If the system you are trying to test is not voltage free, the beep will sound.
The following warning screen will appear. Remove your leads immediately.
LIVE WARNING ...
Circuit Live !!!
If the system is not live, the test will start and the following
screen will appear, indicating the test duration and other factors.
R=1253.0M 85.2s
0 500V
If either the operator or the instrument stops the test, the latest result
will remain on the L.C.D. The instrument switches off after 45 to 60 sec.
R=1253.0M 85.2s
0 HOLD 500V
-12-
Page 16
12.Insulation Resistance Testing with Model
Warning : Insulation test should be conducted on
circuits that are de-energized. Ensure circuits are
not live before commencing testing.
Model
Turn instrument "ON" by pressing the "ON" button.
The L.C.D. display will advance to the following screen.
Select Test 10KV
5KV, 2.5KV, or 1KV
Select insulation test voltage, for example, 10000V.
The following screen will confirm your selection.
10KV 500G
Selected
Follow the interactive screen.
Connect Leads,......
Testing for Live.
If the system you are trying to test is not voltage free, the beep will sound.
The following warning screen will appear. Remove your leads immediately.
LIVE WARNING ...
Circuit Live !!!
If the system is not live, the test will start and the following
screen will appear, indicating the test duration and other factors.
R=125340M 85.2s
0 10KV
If either the operator or the instrument stops the test, the latest result
will remain on the L.C.D. The instrument switches off after 45 to 60 sec.
R=125340M 85.2s
0 HOLD 10KV
-13-
Page 17
13.Cleaning & Storage
To avoid electrical shock or damage to the
meter, do not get water inside the case.
Periodically wipe the case with a damp cloth and
detergent. Do not use abrasives or solvents.
WARNING
-14-
H03.04
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