logo icon

Account Created Successfully!

You're all set. You now have full access to the UNI-T portal. Start exploring our technical resources or view your registered products in your profile.

setting

Service Request

message

Contact Us

quote

Get Quote

UT3550

UT3550 is a hand-held battery tester with automatic real time detection. It has the portability of handheld instruments and the superior performance of Bench instruments. It is a measuring instrument with high accuracy and high resolution. with USB type C interface for remote control and data acquisition and analysis. Support SCPI protocol. It is mainly used in the quality inspection of various batteries. UPS can be directly measured online with high accuracy.

0.0001V~100.00V

VOLTAGE RANGE

0.001mΩ~30.00Ω

RESISTANCE RANGE

Voltage:0.05% ,Resistance:0.5%

ACCURACY

Type-C , USB DEVICE

CONNECTIVITY

Portable

SIZE

3.5'' TFTLCD & 0.96'' OLED

DISPLAY

KEY FEATURES

Model
UT3550

FEATURES

Sorting function

Three comparison modes: direct reading value, percentage and absolute value. Help you with quick battery screening.

High measurement accuracy

Resistance measurement range: 0.001mΩ~30.00Ω
Voltage measurement range: 0.0001V~100.000V

Timing test and save data function

Set the interval time to automatically record the measurement data. Up to 500 sets of data can be saved. Exportable CSV format documents to USB flash disk to facilitate data analysis.

Interface & Protocol Support

Standard interface: Type-C (host computer control) USB (save data/screenshot) charging interface
The instrument supports SCPI protocol for remote control and data acquisition
​Top secondary display with lanyard/shoulder strap to meet more test occasions

Standard PC software

Support remote control, PC can set, view and analyze data

MODEL

Model Bandwidth Analog Channels Real-time Sample Rate Max. Memory Depth Waveform Capture Rate Digital Channels

UT3550

0.0001V~100.00V 0.001mΩ~30.00Ω Voltage:0.05% ,Resistance:0.5% Type-C , USB DEVICE Portable 3.5'' TFTLCD & 0.96'' OLED

DATA SHEET

MANUAL

SOFTWARE

Software package

UNI-T SDK

Current Version: V2.3 | 2025/8/8

Release Notes

Software Development Kit, a collection of tools and resources that developers use to do second development with UNI-T instruments which have programmable feature.

Videos

UT3550 SERIES

UT3550 SERIES