Besantek BST-IT706 User manual
Index
1. Safety Precautions..................................................
2. Overview.................................................................
3. Features..................................................................
4. Specications..........................................................
5. Connections............................................................
6. Instrument layout....................................................
7. Measuring procedure..............................................
8. Charge....................................................................
9. Maintenance & repair..............................................
10. Interface connection and operation.......................
Page
1-2
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3
4
5
6
7-14
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17-24
-1-
1. Safety Precautions
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 high voltage insulation tester.
a. 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.
b. This instrument must not be used on live circuits. Ensure
all circuits are de-energised before testing. see paragraph
for details of built-in warning features should your high
voltage insulation tester be connected to a live system.
c. Always inspect your high voltage insulation tester and test
leads before use for any sign of abnormality or damage. If any
abnormal conditions exist (broken test leads, cracked case,
display faulty etc...) do not attempt to take any measurement
or use the tester. Return your high voltage insulation tester to
your nearest distributor for service.
d. Your high voltage insulation tester has been designed with
your safety in mind. However, no design can completely
protect against incorrect use. Electrical circuits can be
dangerous and / or lethal when a lack of caution or poor safety
practice is used.
e. Pay attention to cautions and warnings which will inform you of
potentially dangerous procedures.
f. Your high voltage insulation tester has a live circuit warning
beeper. If it is connected to a live circuit, a rapid pulsating
bleep 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.
°°
&
2. Overview
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
-3-
3. Features
●2 Lines × 16 Characters LCD
●Microprocessor-controlled
●Tests insulation resistance up to 10 TΩ
●4 Insulation test voltages:
500V, 1000V, 2500V, 5000V
●AC/DC Voltmeter
●Short-circuit current up to 5mA
●PI (Polarization Index) indication
●DAR (Dielectric Absorption Ratio) indication
●Auto-ranging on all insulation ranges
●Optical USB to RS-232 data transmission
●Well isolated from contact
●Well protected from surges
●2 built-in optical LEDs for data transfer
●Visual and audio warning of external voltage presence
(≥30Vac or ≥30Vdc)
●Auto-hold function to freeze reading
●Overload protection
●Adjustable testing duration: 1~30 minutes
●Internal memory for data storage
●Displays testing duration for insulation measurement
●Auto-off function
●200 measurement results can be saved in memory and
recalled on display
-4-
4. Specications
Test Voltage 500V, 1000V, 2500V, 5000V
Insulation resistance
1TΩ / 500V
2TΩ / 1000V
5TΩ / 2500V
10TΩ / 5000V
Accuracy
0~100GΩ / 500V
0~200GΩ / 1000V
0~500GΩ / 2500V
0~1000GΩ / 5000V
±(5.0%rdg + 5dgt)
100G~1TΩ / 500V
200G~2TΩ / 1000V
500G~5TΩ / 2500V
1000G~10TΩ / 5000V
±12%rdg
Resolution
1000MΩ: 1MΩ
10GΩ: 0.01GΩ
100GΩ: 0.1GΩ
1TΩ: 1GΩ
10TΩ: 10GΩ
Short circuit current up to 5mA
PI (Polarization Index) √
DAR (Dielectric Absorption Ratio) √
Voltmeter
ACV: 30~600V (50/60Hz)
DCV: 30~600V
Accuracy: ±(2.0%rdg + 3dgt)
Resolution: 1V
Current measurement 0.5nA ~ 0.55mA
(Depending on the insulation resistance)
Power source 1.5V "C" × 8 Alkaline batteries
Dimensions 330(L) × 260(W) × 160(D)mm
Weight Approx. 4268g (battery included)
Safety standard
EN 61010-1 CAT IV 600V
EN 61010-2-030
EN 61326-1
Accessories
Instruction manual Test leads
Data transmission cable
Compact disk (CD) for PC interface
Alligator clips Batteries
Test report
-7-
7. Measuring procedure
This tester provide ve main functions and four minor functions:
Main Functions:
1. 500V voltage insulation resistance test.
2. 1kV voltage insulation resistance test.
3. 2.5kV voltage insulation resistance test.
4. 5kV voltage insulation resistance test.
5. AC/DC voltage measurement.
Minor functions:
Function 1 ─ Date/time adjustment.
Function 2 ─ Measurement time setting.
Function 3 ─ Display data stored.
Function 4 ─ Delete data stored.
(A) Insulation resistance measurement test (main function)
Note:
1. Before test performed, be sure that no voltage is made
on the specimen. If voltage exists therein, remove the
power supplied.
2. To secure operator’s safety, check if there is any damage
on the tester or test cable.
3. During the test, do not touch the metal on the specimen
surface or test cable.
4. Wear insulation gloves and rubber shoes while operating
this high-voltage measuring instrument.
(a) Checks before test is performed:
Press the power switch and check if power supply is
sufcient? If insufcient, "Low Battery" will be displayed on
the LCD display. Please replace with new Alkaline batteries.
J
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
-14-
(G) Introduction of other functions
1. Dielectric absorption ratio (DAR):
Ratio of insulation resistance between 1-min and 30-sec
1-min insulation resistance
DAR : 30-sec insulation resistance
2. Polarization index (PI):
Ratio of insulation resistance between 10-min and 1-min
10-min insulation resistance
PI : 1-min insulation resistance
Lower insulation resistance tested takes longer test
time, which would deteriorate the specimen. Thus,
higher DAR or PI (as close to 1) would create better
insulation grade of specimen.
Operation:
During the test run, wait for one minute, DAR will be
displayed automatically; wait for 10 minutes, PI will be
displayed automatically.
3. AUTO OFF:
System will shutdown automatically after 3 minutes without
operation.
Test Equipment Depot - 800.517.8431
99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
-15-
8. Battery replacement
When "Low Battery" info shows on the LCD.
Disconnect the test leads from the 5kV high voltage insulation
tester, and turn off the power.
Replace with new Alkaline batteries.(1.5V "C" × 8)
-16-
9. Maintenance & repair
(A) To avoid and electric-shock or device damage, do not wet
inner part of the tester.
(B) Avoid the tester from being dropped down that would
damage or disconnect devices apart.
(C) Wipe the tester surface with soft, dry cloth and mild
detergent. Prohibit from using sand paper or solvent.
Note:
1. This tester is HV operated; user should not open the
outer casing. If any damage occurs, take the tester back to
manufacturer for repair.
2. If the tester is not used for over 60 days, remove the
batteries for storage.
-17-
10. Data Transmission Interface connection and
operation
(A) 5KV Insulation Tester Installation Steps:
1. This 5KV Insulation Tester Installation program will be
installed on the computer automatically.
2. Click the “Next” key to set.
3. If you want to install a different folder, click Browse, and
select another folder.
If it’s not necessary, click the “Next” key.
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