---
product_id: 91654663
title: "UNI-T"
brand: "uni-t"
price: "$131.30"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/91654663-uni-t
store_origin: US
region: United States of America
---

# AC/DC voltage 100-690V IP65 waterproof rating Phase rotation test 100-690V UNI-T

**Brand:** uni-t
**Price:** $131.30
**Availability:** ✅ In Stock

## Summary

> ⚡ Test Smarter, Work Safer — The Voltage Tester That Means Business

## Quick Answers

- **What is this?** UNI-T by uni-t
- **How much does it cost?** $131.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/91654663-uni-t)

## Best For

- uni-t enthusiasts

## Why This Product

- Trusted uni-t brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Phase Rotation Pro:** Instantly identify three-phase AC phase sequence to prevent costly wiring errors.
- • **Continuity & Safety Alert:** Integrated beeper and LED indicators for quick continuity checks and RCD testing at 230V.
- • **Precision Voltage Mastery:** Auto-range detection for AC/DC voltage up to 690V ensures flawless readings every time.
- • **Built for Harsh Environments:** IP65 waterproof design means reliable performance rain or shine—never miss a beat on site.
- • **Certified Industrial Strength:** CE qualified with CAT III 690V and CAT IV 600V ratings for ultimate safety in professional settings.

## Overview

The UNI-T UT18C is a rugged, professional-grade digital voltage and continuity tester featuring auto-range AC/DC voltage detection up to 690V, phase rotation testing, and continuity checks with audible and LED alerts. Its IP65 waterproof rating and high safety certifications (CAT III 690V, CAT IV 600V) make it ideal for demanding industrial, automotive, and electrical environments, ensuring precise diagnostics and enhanced on-site safety.

## Description

UNI-T

## Features

- UT18C test pin with the measurement of AC and DC voltage (contains three phase AC current (AC) measurements, three-phase AC phase display, single pin measurement can take the zero line and firewire) function
- Phase rotation test: operating voltage: 100 V ~ 690 V, frequency 50 Hz ~ 60 Hz. Single lead (L2) voltage detection: operating voltage: 100 V ~ 690 V, frequency: 50 Hz ~ 400 Hz. Continuity test: resistance: 0 ~ 100 kΩ, beeper and LED light indicator 【RCD test】Operating voltage: 230 V (50 Hz ~ 400 Hz)
- Can be used for: melting, electronics, manufacturing, earth oil, national defence, power, chemical and other industries. Also used to solve complex problems in electronics, factory automation, energy distribution and mechanical and electrical equipment.
- Waterproof: This outlet tester is IP65 level waterproof. Safe to use even in rainy or humid places.
- CE Qualification, CAT III 690V, CAT IV 600V: Designed to Solve Safely and Precise a Variety of Electricity for the Automobile and the Home. You can use this circuit breaker finder very easily.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UNI-T |
| Part number | SB-122 |
| Item Weight | 3 kg |
| Product Dimensions | 25 x 20 x 20 cm; 3 kg |
| Batteries | 2 AAA batteries required. |
| Item model number | AK3-AT1-GL-M-X |
| Size | UT18C |
| Colour | UT18C |
| Style | Automatic |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Included components | voltimeter |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |

## Product Details

- **Brand:** UNI-T
- **Power source:** Battery Powered
- **Style:** Automatic
- **Colour:** UT18C
- **Item weight:** 3 Kilograms

## Images

![UNI-T - Image 1](https://m.media-amazon.com/images/I/61QNXitrA1L.jpg)
![UNI-T - Image 2](https://m.media-amazon.com/images/I/61yfubSAkZL.jpg)
![UNI-T - Image 3](https://m.media-amazon.com/images/I/61mKcZVIlgL.jpg)
![UNI-T - Image 4](https://m.media-amazon.com/images/I/61jPmpnU8CL.jpg)
![UNI-T - Image 5](https://m.media-amazon.com/images/I/61p2WUbG2aL.jpg)

## Questions & Answers

**Q: Is this a clone of the Di log unit?**
A: Not sure as don't know Di log? But use mine 5 days a week since they arrived, very pleased!

**Q: Is there a visual indication when continuity testing?**
A: Yes...there’s a yellow led indicator

**Q: How long are the cables, will they easily reach a light switch from the ceiling rose?**
A: in answer to your question no they will not reach any where near a light switch, unless the rose is next to the switch hope this helps

**Q: Does the device provide an audible noise when mains voltage is detected?**
A: Yes is the answer , along with the voltage rating displayed .

## Frequently Bought Together

- UNI-T UT18C Voltage and Continuity Tester - Digital LCD Meter Tester Auto Range Voltage Detection with LED Light Indication
- KAIWEETS HT100 Voltage Tester, Dual-Range 12V-1000V/48V 1000V Non-Contact Electrical Tester, Voltage Sensitivity Electric Compact Pen with NCV, LED Flashlight, Buzzer Alarm, Wire Breakpoint Finder

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-21*