Overview

The Uni-T UT387A Wall Scanner is an essential diagnostic tool for HVAC technicians, builders, and residential DIYers who need to see through the surface before they drill. Designed to accurately locate studs, joists, and live electrical wiring, this device mitigates the risk of damaging critical infrastructure during installation. Its lightweight, ergonomic design ensures it fits comfortably in a tool belt while providing high-stakes data on the job site.

Equipped with sophisticated sensors, the UT387A identifies wood, ferrous and non-ferrous metals, and live copper conductors. Whether you are mounting a heavy AC unit or installing bracketry for ductwork, this scanner provides the clarity required to navigate modern wall constructions safely and efficiently.

Why It Matters

Drilling into a live copper wire or a hidden water pipe is a costly mistake that can halt a project and compromise technician safety. The UT387A provides the confidence needed to make precise installations, ensuring you hit the framing every time while avoiding hazardous utilities hidden behind drywall or plywood.

What's Included

• 1 x UT387A Wall Scanner
• 1 x 9V Battery (6F22)
• 1 x English User Manual
• 1 x 12-Month Warranty

Features & Benefits

• Dual Scan Modes: Toggle between StudScan for standard drywall and ThickScan for deeper materials up to 28.5mm.
• Live Wire Detection: Protects you by alerting to live copper conductors at depths up to 50mm.
• Auto Calibration: Features a built-in error alert system to ensure the device is perfectly tuned to the wall surface before you begin.
• Visual & Audible Alerts: High-visibility LED indicators and a distinct buzzer provide clear detection signals in noisy or dark environments.
• Energy Efficient: Includes a low battery warning and auto power-off function to maximize the life of the included 9V battery.

Applications

• Mounting HVAC indoor split system units and wall brackets.
• Installing shelving, heavy cabinetry, or industrial mirrors.
• Pre-drilling during kitchen, bathroom, or office renovations.
• Locating wooden studs behind standard drywall or partition walls.

Tradie Pro Tip

For the most accurate results, always calibrate the UT387A by holding it against the wall in a spot where you know there are no studs. Wait for the beep and LED stabilization before sliding the unit. If you get inconsistent readings, re-calibrate in a different position to reset the sensor sensitivity.

Pair With

• Digital Multimeters & Voltage Testers
• HVAC Shop Measuring Tapes & Levels
• High-Performance Drill Bit Sets

Ensure every hole you drill is safe and secure. Add the Uni-T UT387A Wall Scanner to your toolkit today for professional-grade detection and peace of mind on the job site.