UT343A Coating Thickness Gauge

The UT343A Coating Thickness Gauge is a high-precision coating measurement instrument designed for automotive technicians, industrial inspectors, maintenance engineers, and quality-control professionals who require fast, accurate, and reliable paint and coating evaluations. Built to measure coating thickness on ferrous (F) metal substrates such as steel and iron, this device is ideal for automotive paint inspection, metal fabrication processes, corrosion-resistant layer testing, and production-line quality assurance.

Using advanced electromagnetic induction technology, the UT343A Coating Thickness Gauge delivers consistent results with excellent repeatability, allowing users to quickly identify repaired paint areas, variations in coating thickness, and irregularities in protective layers. Its intuitive interface, bright LCD display, and ergonomic design make it extremely user-friendly for both field and workshop environments.

This coating gauge provides multiple measurement modes including single, continuous, MAX/MIN, and statistical analysis. These features offer a comprehensive overview of coating performance for technicians who need precise and dependable data. The UT343A also includes data storage, unit conversion, automatic calibration, and real-time measurement feedback to support detailed inspection and reporting tasks.

Compact, lightweight, and built for rugged industrial use, the UT343A is a must-have tool for automotive shops, manufacturing facilities, and metal-processing industries where coating integrity is essential.

Key Features

• Accurate coating thickness measurement on ferrous substrates (steel/iron)

• High-precision electromagnetic sensing

• Multiple measurement modes: single, continuous, MAX, MIN, statistics

• Bright, easy-to-read LCD display

• Auto calibration and zeroing function

• Unit conversion (μm / mil)

• Data storage and quick review

• Durable, ergonomic handheld design

• Ideal for automotive paint inspection, manufacturing QC, and metal surface analysis

Technical Datasheet

Measurement Range

• 0 – 1250 μm (varies by surface conditions)

Accuracy

• Typically ±(3% + 1 μm) depending on thickness and substrate

Supported Substrates

• Ferrous (F) metals:

  • Steel

  • Iron

Measurement Modes

• Single

• Continuous

• MAX/MIN

• Statistics (AVG, count)

Display

• Backlit LCD

• Real-time measurement response

• Unit switching (μm / mil)

Calibration

• Automatic zeroing

• Calibration reference included (varies by package)

Power

• 2 × AAA batteries

• Auto power-off

• Low-battery indicator

Environmental Conditions

• Operating temperature: 0°C to 40°C

• Humidity: < 80% RH

Physical

• Lightweight ABS housing

• Compact ergonomic body