UNI-T UT18D Voltage and Continuity Tester

UNI-T UT18D Voltage and Continuity Tester in Sri Lanka

LCD Two-Pole Tester with RCD Test and Silent Mode

The UNI-T UT18D Voltage and Continuity Tester checks AC/DC voltage from 6V to 690V and shows readings on a large backlit LCD. It also tests 3-phase rotation, continuity and RCD operation, so it suits electricians and facility teams in Sri Lanka. Browse our full range of voltage and continuity testers in Sri Lanka.

It adds a silent mode, a work light and voltage indication without batteries. It is rated CAT III 690V and CAT IV 600V, with IP65 protection.

Technical Specifications

Product Name

UNI-T UT18D Voltage and Continuity Tester

Voltage Range (AC/DC)

6V, 12V, 24V, 50V, 120V, 230V, 400V, 690V

LCD Voltage Display

6V~690V

LCD Frequency Display

40Hz~400Hz

Safety Rating

CAT III 690V, CAT IV 600V

Ingress Protection

IP65

Phase Rotation Test

57Vac~400Vac (3-phase), 50Hz~400Hz

Continuity Resistance

0Ω~100kΩ

Alarm Modes

Buzzer and LED indication

RCD Test

230V, 50Hz~400Hz

No Power Test

Voltage indication at 100V~690V without batteries

Other Features

Silent mode, work light, LCD backlight, polarity detection, self-inspection, auto standby (below 10μA)

Display Size

73.5 × 35.5 mm

Power Source

2 x 1.5V AAA (R03) batteries

Certificates

CE, UKCA, cETLus

Key Features

Large LCD

Shows voltage and frequency readings, with a backlight

RCD Trip Test

Built-in 230V function for testing residual current devices

No-Battery Voltage Indication

Indicates voltage from 100V to 690V even with dead batteries

Buzzer and Silent Mode

Audible continuity alert, with a silent mode for quiet areas

Self-Inspection

Checks the display and indicators at start-up

Power Saving

Auto standby draws less than 10μA

Applications

• Checking motor rotation and 3-phase supply boards
• Finding dead circuits, testing RCDs and checking continuity in house wiring
• Voltage checks on control boards and contactors before servicing equipment

Choosing the Right Model

For basic voltage and continuity checks, see the UNI-T UT15C Waterproof Voltage and Continuity Tester. For work up to 1000V, see the UNI-T UT18E 1000V Voltage and Continuity Tester.

Package Includes

• 1 x UNI-T UT18D Tester
• 2 x AAA batteries
• 1 x English user manual

Downloads

📄 Download UNI-T UT18D Data Sheet
📄 Download UNI-T UT18D User Manual