Uni-trend Voltage and Continuity Tester RCD Polarity Detection UT18C

The UNI-T UT18C is a robust and reliable voltage and continuity tester specifically designed for challenging environments where darkness, humidity, and rain are common. This series of waterproof testers ensures a high level of safety, making it an ideal choice for professionals. It is certified to CAT IV 600V and CAT III 690V for voltage measurement, protecting users from transient overvoltages. With an IP65 waterproof rating, built-in illumination, RCD testing, and three-phase AC phase rotation testing, the UT18C is equipped to handle various demanding troubleshooting and maintenance tasks.

Key Features

• IP65 Waterproof Rating: Ensures reliable operation in wet and dusty conditions.
• High Safety Standards: Complies with double insulation, CAT III 690V, and CAT IV 600V safety requirements, and CE European Union standards.
• Live/Neutral Wire Identification: Single test lead measurement can identify live or neutral wires.
• Three-Phase AC Phase Rotation Test: Indicates the phase relationship of three-phase AC power.
• Continuity Test: Provides both buzzer and LED light indications for quick and clear results.
• Polarity Indication: Displays the positive and negative polarity of the measured conductor voltage.
• RCD (Residual Current Device) Test: Used for testing leakage protection switches.
• Built-in Illumination: Integrated flashlight for working in dark or poorly lit environments.
• Battery-less Detection: Capable of basic detection without battery power for certain voltage ranges.
• Dual Mode Operation: Choose between buzzer and silent modes.
• Voltage Over-range & Low Battery Indication: Alerts users to extreme conditions and low power.
• Automatic Functions: Features auto standby, auto range, and auto power-on when voltage exceeds 12V.
• Self-Test Function: Ensures the device is working correctly with full LED or LCD display.
• LCD Display: Clearly shows voltage and frequency readings.
• Data Hold: Freezes the current measurement on the display.

Benefits and Applications

The UT18C series is engineered for maximum safety and efficiency in challenging electrical testing scenarios. Its high CAT IV safety rating provides crucial protection against electrical surges, while the IP65 rating guarantees durability in harsh weather or dusty industrial settings. Electricians, maintenance technicians, and DIY enthusiasts can leverage its versatile features for:

• Verifying voltage presence in circuits, outlets, and electrical panels.
• Identifying live and neutral wires quickly and safely.
• Testing three-phase motor connections and rotation direction.
• Checking for continuity in cables, fuses, and switches.
• Ensuring proper function of RCDs to prevent electrical hazards.
• Troubleshooting electrical systems in dark attics, basements, or outdoor environments thanks to the built-in light.
• Performing essential checks even when batteries are depleted, for increased reliability.

The UT18C’s automatic functions and clear LED/LCD indications streamline the testing process, making it a professional-grade tool for accurate and secure electrical diagnostics.

Technical Specifications