UNI-T UT18E

UNI‑T UT18E Voltage & Continuity Tester

The UNI‑T UT18E is a sophisticated voltage tester designed for professional electricians and technicians. It supports AC/DC voltage testing up to 1000 V, phase‑sequence (three‑phase) checks, continuity tests, and RCD tests. It features both LED and LCD indicators, built‑in flashlight, visual & audible alerts, and is rated to high safety standards (CAT III 1000 V / CAT IV 600 V). :contentReference[oaicite:1]{index=1}

Key Features

• Voltage ranges: 6 V up to 1000 V (AC/DC) with multi‑level LED indication (12 V, 24 V, 50 V, 120 V, 230 V, 400 V, 690 V, 1000 V) :contentReference[oaicite:2]{index=2}
• Phase sequence test: Checks three‑phase systems (100–400 V AC, 50–60 Hz) :contentReference[oaicite:3]{index=3}
• Continuity test: Resistance check (0–~60 kΩ) with buzzer and LED alert :contentReference[oaicite:4]{index=4}
• RCD (Residual Current Device) test: For 230 V systems (50–400 Hz) :contentReference[oaicite:5]{index=5}
• Polarity detection: Automatically identifies positive and negative in DC systems :contentReference[oaicite:6]{index=6}
• LED + LCD display: Simultaneous visual indicators and numerical LCD read‑out for clarity :contentReference[oaicite:7]{index=7}
• Built‑in flashlight: Illuminates measurement site in low‑light conditions :contentReference[oaicite:8]{index=8}
• Rugged & safe: Rated IP65 (dust‑ and water‑resistant), CAT III 1000 V / CAT IV 600 V for high‑risk environments. :contentReference[oaicite:9]{index=9}

Specifications (Selected)

• Voltage (AC/DC): 6 V to 1000 V with accuracy e.g.—6 V ±(1.5%+1), 12 V ±(1.5%+2), up to 1000 V ±(1.5%+5) :contentReference[oaicite:10]{index=10}
• Frequency measurement: 40 Hz–400 Hz ±(3%+5) :contentReference[oaicite:11]{index=11}
• Continuity resistance: 0‑60 kΩ approx. :contentReference[oaicite:12]{index=12}
• Dimensions: 272 × 85 × 31 mm :contentReference[oaicite:13]{index=13}
• Weight: 277 g (including batteries) :contentReference[oaicite:14]{index=14}
• Power supply: 2 × AAA (1.5 V LR03) batteries :contentReference[oaicite:15]{index=15}

Why Choose the UT18E?

• Ideal for professionals needing a reliable, high‑range voltage tester for installations up to 1000 V — including single‑phase and three‑phase systems.
• Combines multiple test functions (voltage, continuity, phase sequence, RCD) in one rugged device rated for demanding environments.
• Enhanced safety and usability: IP65 protection, LED + LCD display, auto‑polarity, visual & audible alerts, and built‑in flashlight make it practical for field work.

Usage & Considerations

• Even though this tester supports multiple functions, it is primarily designed for **detection/verification** rather than high precision measurement; for detailed diagnostics you may still require a full multimeter.
• Always ensure correct usage: proper probe connections, respect the safety category ratings (CAT III 1000 V / CAT IV 600 V), and inspect condition of device, leads and batteries before use. :contentReference[oaicite:16]{index=16}
• Ensure your working environment conditions meet the device’s rated specifications (‑15 °C to +45 °C typical, humidity, altitude). :contentReference[oaicite:17]{index=17}

Keywords

UNI‑T UT18E, voltage tester up to 1000 V, voltage and continuity tester, phase sequence tester, CAT IV 600V tester, IP65 voltage tester