Mouse over to zoom in

UNI-T UT18B Auto Range Voltage and Continuity Tester with RCD Test LED Indication and No Battery Detection

UNI-T UT18B Auto Range Voltage and Continuity Tester with RCD Test LED Indication and No Battery Detection

Price on the app only:

Already have TOMTOP APP

Scan the product's code to buy directly!

Note: Please update TOMTOP App to the latest version.

Don't have TOMTOP APP

Download freely and enjoy extra offers!

Ship From:
  • China Warehouse
Usually will be shipped in business days hours
The request failed! Please try again.
Sorry, it seems that there are no available shipping methods for your location.Please contact us for further assistance.


Ship to

United States
Stock in: china

Special discount has ended

Please note each user for only 1 item(s)

Preorder Add To Cart Out of Stock

Arrival Notice

if the goods arrival in 90 days,we will inform you by email!


Arrival Notice

Notification Subscription Success!

if the goods arrival in 90 days,we will inform you by email!

Notification Subscription Failed!

Error appeared,Please try again later!

Arrival Notice
Add to Favorites


UT18B can provide AC and DC voltage (including the three-phase alternating current) measurement, phase of three-phase AC power indicator, on-off test, RCD Test, single pen measurement (can determine the zero line or wire), self checking, no battery detection and other functions. Suitable for: smelting, electronics, manufacturing, defense, electric power, petroleum, chemical industry. More detailed product information, please refer to the English manual.

Auto Range
RCD Test
LED Indication
Phase Rotation Test
Single Lead (L2) Voltage Detection
No Battery Detection
Polarity Detection
High Voltage Indication
Low Battery Indication
Auto standby
Silent Mode
Work Light

AC/DC voltage range: 12/24/50/120/230/400/690V
Phase rotation test operating voltage: 100V~690V, frequency: 50Hz~ 60Hz
Single lead (L2) voltage detection operating voltage: 100V~690V, frequency: 50Hz~ 400Hz
Continuity Test: 0~100KΩ
RCD test operating voltage: 230V(50Hz400Hz)
Power: 1.5V AAA Batteries * 2 (not included)
Product Color: Red and Grey
Product Net Weight: 245g
Product Size: 272mm * 85mm * 31mm

Package Information:
Package Size: 35.4 * 17.4 * 4.8cm / 13.9 * 6.9 * 1.9in
Package Weight: 388g / 13.69oz
Blister Package

Package List:
1 * UNI-T UT18B Voltage and Continuity Tester
1 * English Manual


Post a new topic

Please note that TOMTOP Forums are a community for all communicating and getting help each other. There will be some enthusiastic friends participate in your discussions. Of course TOMTOP customer service (with tomtop customer service icon) response is guaranteed ,which is the same way you contact us at http://www.tomtop.com/contacts

open this forum in full page
Customer Reviews

Average Rating:


based on 1 Customer Reviews

  • 5 stars
  • 4 stars
  • 3 stars
  • 2 stars
  • 1 stars

Share your thoughts with other customers and get Tomtop Points, the first 5 reviews get DOUBLE Tomtop Points!

Write a Customer Review
  • By w***1

    September 7, 2015

    just as described A+++++++++++

    Is this helpful? (0) (0)

Hot Event More

Top Sellers More

Please activate your account and then to buy,We will resend the activation email to help you complete your registration.

Recently Viewed