UNI-T UT61E

The UNI-T UT61E is a CAT II (600 V), CAT III (300 V) handheld digital multimeter with USB connectivity.

Hardware

• Cyrustek ES51922 multimeter chip

Photos

TODO.

Protocol

TODO.

The transmission of the measurement data cannot be disabled, the respective Cyrustek ES51922 pin (111, RS232) is tied to GND (i.e. transmission is always enabled) on this multimeter.^[1]

Resources

• diyftw.de: Uni-Trend UT61E (UT-D04 linux treiber) (device info, driver)
• Steffen Vogel: Inner workings of UNI-TREND UT61E Digital Multimeter (teardown)
• Henrik Haftmann: Hoitek HE2325U info
• Henrik Haftmann: UT61E log and protocol docs