UNI-T UT12D Voltage Tester AC Voltage Detector 24V-1000V Live/Null Circuit Electrical Tester Pen Wire Breakpoint Finder

English Manual

Key Features:

• Dual Sensitivity Modes:
  • Low Mode: 24V–1000V (green indicator), detects low-voltage circuits (e.g., doorbells, thermostats).
  • High Mode: 90V–1000V (red indicator), identifies standard household/industrial voltages.
• Smart Zero/Hot Wire Identification: Automatically distinguishes between neutral (zero) and live (hot) wires for enhanced safety.
• Built-In Flashlight: High-intensity LED light for visibility in dark or confined workspaces.
• Audible & Visual Alerts: Loud beep and bright LED flash synchronize to indicate voltage presence.
• Auto Power Off: Conserves battery life by shutting down after ~5 minutes of inactivity.

Safety & Durability:

• CAT IV 1000V Safety Rating: Highest protection level for professional-grade electrical work.
• ETL & CE Certified: Meets rigorous international safety standards for reliability.
• 1-Meter Drop Resistance: Withstands accidental drops, ensuring durability in demanding environments.

Applications:

• Electrical system diagnostics (residential/commercial).
• HVAC, appliance, and automotive wiring checks.
• Home DIY projects requiring voltage verification.

Packaging:

• 1×UT12D tester, 2×1.5V AAA batteries (included), user manual, and warranty card.

Technical Specifications:

• Voltage Range: Low Mode: 24V–1000V; High Mode: 90V–1000V.
• Frequency Compatibility: 50Hz/60Hz.
• Sensitivity Toggle: Manual switching between low/high modes.
• Low Voltage Indication: Alerts at ~2.4V (prevents false negatives).
• Operating Temperature: 0°C–40°C.
• Storage Temperature: -20°C–50°C.
• Altitude: <2000m.
• Humidity: ≤80% (non-condensing).

Why Choose UT12D?

• All-in-One Design: Combines voltage detection, zero/hot wire identification, and flashlight functionality in a compact, portable tool.
• Professional-Grade Safety: CAT IV 1000V rating and ETL/CE certifications ensure compliance with global safety standards.
• User-Friendly: Intuitive mode indicators (green/red), auto power-off, and durable construction for hassle-free use.