UNI‑T UT15C Multi‑Function Voltage Tester

The UNI‑T UT15C is a rugged, multifunction voltage tester designed for professionals and technicians working with AC/DC systems and three‑phase installations. It supports voltage detection up to 690 V, phase‑rotation tests, continuity checks, polarity detection, and features a waterproof IP65 construction. :contentReference[oaicite:1]{index=1}

Key Features

• AC/DC voltage measurement: Automatic range detection from 12 V up to 690 V. :contentReference[oaicite:2]{index=2}
• Phase rotation / sequence test: For three‑phase systems from 100 V to 690 V, 50‑60 Hz. :contentReference[oaicite:3]{index=3}
• Single‑lead “L2” live detection: Quick check of a single conductor from ~100 V to 690 V; frequency up to 400 Hz. :contentReference[oaicite:4]{index=4}
• Continuity test with buzzer & LED: Resistance range ~0–100 kΩ for checking circuit integrity. :contentReference[oaicite:5]{index=5}
• Polarity detection: Identifies positive and negative in DC systems. :contentReference[oaicite:6]{index=6}
• Rugged construction: IP65‑rated for dust/water resistance, built‑in work‑light, automatic standby and low battery indicator. :contentReference[oaicite:7]{index=7}

Specifications (Selected)

• Voltage ranges (AC/DC): 12 V / 24 V / 50 V / 120 V / 230 V / 400 V / 690 V. :contentReference[oaicite:8]{index=8}
• Accuracy (24 V–690 V): ±(3% + 5) in many models. :contentReference[oaicite:9]{index=9}
• Continuity test range: ~0–100 kΩ. :contentReference[oaicite:10]{index=10}
• Dimensions / Weight: ~275 × 51 × 30 mm; ~210 g. :contentReference[oaicite:11]{index=11}
• Power supply: 2 × 1.5 V (R03/AAA) batteries. :contentReference[oaicite:12]{index=12}
• Protection rating: IP65. :contentReference[oaicite:13]{index=13}

Why Choose the UT15C?

• Designed for both low‑voltage (12/24 V) and high‑voltage (up to 690 V) systems — suitable for automotive, industrial, three‑phase and general electrical maintenance.
• Combines multiple tests (voltage, phase sequence, continuity, polarity) in one tool — ideal for electricians or service technicians.
• Durable and designed for harsh environments thanks to its IP65 rating and robust build — good for on‑site work.

Considerations

• Although the UT15C provides many functions, always verify the correct test category rating (CAT) and ensure it meets your specific safety & regulatory requirements. :contentReference[oaicite:14]{index=14}
• While it detects voltage and continuity, this tool may not offer the precision of full bench multimeters for detailed measurements — it is meant for testers rather than full instrumentation.

Keywords

UNI‑T UT15C, voltage tester up to 690 V, phase sequence tester, continuity tester, IP65 voltage detector