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Introduction
This chapter includes：
1.1 Product Introduction
UT3550 battery internal tester, measured voltage range is 100V. See the below table, more specific
technical index refer to the last chapter.
Model
UT3550
Product Characteristics
UT3550 is all automated and real-time detection handheld instrument which made by high-performance 32 bit
ARM microprocessor. This instrument can test resistance 0.001mΩ~30.00Ω and DC voltage 0.0001V~100.00V.
It has built-in USB-Type-C interface, through data collection software to remote control, collect and analyze
data.
UT3550 use remote control instruction set and compatible with SCPI (Standard Command for Programmable
Instrument) to fulfill remote control and data collection.
The AC resistance testing principle can be used for the internal resistance testing of almost all batteries,
including lithium batteries, Hydrogen fuel batteries, lead-acid batteries, button batteries and other batteries.
The design allows direct on-line measurement of the UPS without loss of accuracy and stability.
IP65 dustproof and waterproof, even in the dust pollution, splashing industrial site, can also help you to
accurately measure.
1.2
Main Function
1.2.1
Calibration Function
Full-range short circuit zeroed function.
1.2.2
Comparator Function（sorting）
Built-in sorting data, estimate measured object by OK/NG.
Compare Method:
ABS tolerance ± TOL sorting：compared with the upper/lower value of measured value and absolute
deviation value
PER tolerance TOL sorting： compared with the upper/lower value of measured value and percentage
deviation of nominal value
SEQ comparison sorting：measured value compared with the upper/lower value
Beep
Beep can set OFF / OK / NG beep by user-defined.
Product Introduction
Main function
Front panel & Interface panel
Accuracy
Resistance：±0.5%rdg±5dgt
Voltage：±0.05%rdg±5dgt
UT3550 Battery Tester Users Manual
Measurement Range
Resistance：0.001mΩ~30.00Ω
Voltage：0.0001~100.00V
7
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