Uni-T UT677A Bruksanvisning
Uni-T
Mätutrustning
UT677A
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BATTERY RESISTANCE TESTER
UT677A
P/N:110401111108X
2022/04/13 REV.0
- -1
V Structure ．..................................................................................................................................................... - - 5
VI．Interface display ........................................................................................................................................ - - 5
VII Measuring principle ．.................................................................................................................................. - - 6
7.1 Principle of AC 4-terminal test method ............................................................................................... - - 6
7.2 Principle of voltage measurement ...................................................................................................... - - 6
7.3 Principle of temperature measurement .............................................................................................. - - 6
VIII. Operation Method ..................................................................................................................................... - - 7
8.1 Power on/off and automatic shutdown .............................................................................................. - 7 -
8.2 Test interface operation - - ....................................................................................................................... 7
8.3 Setting menu interface operation ........................................................................................................ - - 7
8.4 Measurement procedure .................................................................................................................. - - 9
8.5 Data storage........................................................................................................................................ - - 9
8.6 Data access and deletion ................................................................................................................... - - 9
8.7 Communication with PC ................................................................................................................. - - 10
8.8 Communicate with smartphone or tablet .......................................................................................... - - 10
IX. Maintenance and service .......................................................................................................................... - - 10
9 Battery .1 ................................................................................................................................................ -11 -
9.2 Repair, inspection and cleaning ...................................................................................................... -11 -
9.3 Common problem .............................................................................................................................. - - 12
X Packing List . ................................................................................................................................................ - - 12
Appendix - - ......................................................................................................................................................... 12
Appendix 1 Inuence of Eddy Current .................................................................................................... - - 12
Appendix 2 Extending the test lead and the inuence of induced voltage ............................................. - - 13
- - 2
can still be used.
This instrument according to IEC61010 safety specications for design, production,
inspection.
During measurement, to avoid errors please do not use high-frequency signal generators
such as mobile phones near the meter.
Pay attention to the label text and symbols on the instrument.
Do not place or store the meter for a long time in a place with high temperature, humidity,
condensation, or under direct sunlight.
Pay attention to the measurement range and use environment specied by this instrument.
The use, disassembly, calibration, and maintenance of this instrument must be operated by
authorized personnel.
Due to the reason of this instrument, if it is dangerous to continue to use it, it should be
stopped immediately and sealed up immediately. It is handled by an authorized organization.
For the safety warning signs " " in the instrument and the manual, the user must strictly
follow the contents of this manual for safe operation.
In any case, special attention should be paid to safety when using this instrument.
II．
．
．
．． Introduction
General rechargeable battery internal resistance tester, abbreviated as battery internal
resistance tester is a measuring instrument used to measure the internal resistance, voltage and ,
temperature of rechargeable batteries such as lead storage batteries and lithium batteries to
determine the health of the battery. It can also be used as a meter to measure the ESR
parameters of electrolytic capacitors (for reference only). This meter uses the AC 4-terminal test
method to measure the internal resistance of the battery, and can measure the correct
measurement value without being affected by the contact resistance between the test wire,
terminal and battery electrode. It also has functions such as data storage, data access, alarm,
and automatic shutdown. The whole machine is high-grade and beautiful, with wide measuring
range, high resolution, convenient operation, easy to carry, accurate, reliable, stable
performance, and strong anti-interference ability. It is an indispensable instrument for battery
production, battery installation, equipment production, equipment maintenance and other
scenarios.
General rechargeable battery internal resistance tester is controlled by a microprocessor, the
internal 16-bit ADC can accurately detect battery internal resistance, voltage and temperature. It
is characterized by measuring without stopping the UPS system, using AC low-resistance
measurement and noise reduction technology, without stopping the normal operation of the
device under test, and measuring under the running state, which greatly shortens the test time.
At the same time, it has the functions of data storage, histogram display, data upload, computer,
mobile phone, tablet and other smart devices Bluetooth connection for wireless measurement
Produktspecifikationer
| Varumärke: | Uni-T |
| Kategori: | Mätutrustning |
| Modell: | UT677A |
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