+1 500 000 products in offer

7000 packages per day

+300 000 clients from 150 countries

You have questions? Call us 678.691.2347 (Mon-Fri 8:00AM - 6:00PM EDT)

We would like to inform that on October 23, 2026 at 08:00 PM - 10:00 PM (CEST) some problems with access to the website and online orders may occur. We apologize for any inconvenience.

We've added a new feature that allows you to schedule a meeting with a consultant. You can find it at the following link: Book an online meeting.

No surprise tariffs – what You see is what You pay

Here you will find out more

Data processing in progress

Your credit limit has been exceeded. Your order will be accepted but not realized. The delivery schedule will not be set. Please contact a TME employee.

The task was successfully completed.

An unexpected error ocurred. Please try again.

Manufacturer	UNI-T
Type of tester	phase sequence
Kind of display used	LED
Phase-to-phase voltage range for phase sequence indication	90...600V AC
Operating frequency	15...400Hz
IP rating	IP40
Pollution degree	2
Body dimensions	123x71x29mm
Weight with battery	192g
Conform to the norm	CAT III 600V EN 61010
Measurement	motor's rotation direction, phase sequence
Measuring instrument features	indication of missing phase

UT261B

Tester: phase sequence; LED; 90÷600VAC; Freq: 15÷400Hz; IP40

Specification

WATCH VIDEO