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YUSHI UM-2/UM-2D Ultrasonic Thickness Gauge

1.Easy Operation and Economical Price 2.Wide Measuring Range: Standard mode: 0.8 mm to 300 mm 3.High Accuracy and Stability: Offers zero drift, stable readings, and no need for zero calibration. Repeatability is ±0.1 mm, with resolution display (0.01 mm / 0.001 inch). 4.Data Storage: Stores up to 500 readings in 5 groups 5.Portable and Durable Design: Compact size (149×73×32 mm), lightweight (210g with batteries), up to 200 hours of operation, and wide temperature tolerance (-10°C to +50°C)

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YUSHI UM-2 Series Ultrasonic Thickness Gauge

Reliable, Portable, and Coating-Friendly

The YUSHI UM-2 Series  is a hand-held ultrasonic thickness gauge designed for quick,  reliable,  and non-destructive thickness measurements on a variety of  materials.  With advanced signal processing and stable performance, the  UM-2 series  is ideal for manufacturing, quality control, and corrosion  inspection.

For painted or coated surfaces, the UM-2D model supports through-coating measurement, allowing users to get accurate base material readings without removing paint or coatings.

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Key Features

  • Measurement Range:

    • Standard: 0.8 – 300 mm (depending on material & probe)

    • Through-Coating (UM-1D only): 3 – 20 mm with PT-08 probe

  • Accuracy: ±0.1 mm

  • Automatic V-Path Correction for curved surfaces

  • Warning Alarm when thickness exceeds preset limits

  • Data Storage: Stores up to 500 readings in 5 groups

  • USB or RS-232 Interface (optional) for PC connection

  • Long Battery Life: Up to 200 hours (without backlight)

  • Languages: English / Chinese

  • Backlit LCD Display for clear readings in low light

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Applications

  • Corrosion and erosion inspection in metal pipelines or structures

  • Quality control in manufacturing processes

  • Measurement of painted or coated components

  • Testing of small tubes, cast iron, or high-temperature surfaces (with optional probes)

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Technical Summary

  • Resolution: 0.01 mm / 0.001 in

  • Material Velocity Range: 1000 – 9999 m/s

  • Display: 128×64 LCD with EL backlight

  • Operating Temp: -10°C to +50°C

  • Size / Weight: 149 × 73 × 32 mm / 210 g

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Need accurate thickness results in a compact and user-friendly device?
Choose the YUSHI UM-2 Series — economical, proven, practical, and powerful.

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Technical Parameters

Display Type
128×64 dot-matrix LCD screen with EL backlight
Operating PrincipleP-E (pulse-echo) , E-E (echo-echo) with dual-crystal probes (Only UM-1D)
Measuring Range0.8mm to 300mm, depending on material and probes
Measuring Range In Thru Coating Mode3mm-20mm with PT-08 probe(Only UM-1D)
Measuring Limits of Tube (Steel)Φ20mm×3.0mm(PT-08 probe)
Measuring Error
Low limit to 10mm: ±0.1mm 10mm to high limit: ± (1%H+0.1) mm Note: H is the actual thickness of the testing material
Display Resolution

0.1mm,0.001 inch

UnitsInch or Millimeter
Calibration Method
Zero calibration,Two-point calibration
V-Path Correction
Automatic
Update Rate4Hz
Material Velocity Range1000 ~ 9999 m/s (0.0394 to 0.3937in/us)
Memory Function5 arrays are divided to store 500 thickness values
LanguagesEnglish and Chinese
Communication PortUSB port or Serial RS 232 port (Optional)
Operating TimeUp to 200 hours with alkaline batteries (without backlight)
Instrument Shut-offAUTO OFF after 5 minutes of inactivity

UM-1 Series vs UM-2 Series Comparison Chart

ModelUM-1UM-1DUM-2
UM-2D
Operating PrinciplePulse-Echo

Pulse-Echo

Echo-Echo

Pulse-Echo

Pulse-Echo

Echo-Echo

Measuring Range

in standard mode

0.8mm-300mm/0.03-11.81 in.(Depending on material and probe)

Measuring Range

in Thru Coating Mode


/


3-20mm (0.12-0.79 in.)



/


3-20mm (0.12-0.79 in.)

Measuring Resolution

0.1mm / 0.01inch

0.01mm / 0.001inch

robe Compensating Line

1 built-in probe compensating line

7 built-in probe compensating line

Data Logger500 readings can be stored in 5 groups


Add:No.9, Shenbei Road, Shenbei New District, Shenyang, China 110136

Email:sales07@yushindt.com   

QQ:3933818930

WhatsApp: +86 157 3401 8800

Phone:+86 186 4003 0418

+8618640030418">