UM-3 Ultrasonic Thickness Gauge – High-Precision Handheld Tester for Ultra-Thin Material – 0.001mm Resolution – LCD Display – by YUSHI

Product Description

The UM-3 Ultrasonic Thickness Gauge by YUSHI Instruments is a compact, high-precision device designed for ultra-thin material measurement in industries such as electronics, aerospace, automotive, and precision machining.

Built with advanced ultrasonic and microprocessor technology, the UM-3 provides stable and reliable measurements down to 0.3 mm in thickness. Its high-resolution display, automatic minimum thickness detection, and dual measurement modes (I-E & E-E) make it a versatile tool for professionals.

With a large data memory, low power consumption, and a lightweight design, the UM-3 is perfect for both field and lab use.

Technical Specifications

• Display: 128×64 dot-matrix LCD with EL backlight

• Measuring Range:
  – E-E mode: 0.3–10 mm
  – I-E mode: 1.5–20 mm

• Accuracy:
  – E-E: ±0.01 mm (H ≤ 3 mm), ±0.05 mm (3 < H < 10 mm)
  – I-E: ±0.05 mm (H < 10 mm), ±(0.5%H + 0.01 mm) (H ≥ 10 mm)

• Resolution:
  – Up to 0.001 mm / 0.0001 inch

• Material Velocity Range: 1000–9999 m/s

• Units: mm/inch selectable

• Memory: 500 data points in 5 groups

• Languages: English, Chinese

• Power: 2 × AA batteries (up to 200h operation)

• Dimensions: 149 × 73 × 32 mm

• Weight: 210g (with batteries)

Package Includes

• UM-3 Thickness Gauge main unit

• Standard delay-line probe

• Couplant

• Batteries

• Protective case

• User Manual

Optional: UmView software, USB/RS232 cable

Technical Parameters