PM9 Portable Ultrasonic Thickness Gauge

YUSHI PM9 Series ultrasonic thickness gauge adopts 10.5-inch full-touch screen, 0.1μm ultra-high resolution, 75MHz high-frequency ultrasound and B-scan imaging technology. It covers 5 professional models for standard measurement, corrosion scanning, multi-layer coating detection, multi-channel inspection and professional template testing, solving all industrial thickness measurement challenges.

YUSHI PM9 Series Portable Ultrasonic Thickness Gauge

Make Thickness Measurement Simpler

The YUSHI PM9 Series ultrasonic thickness gauge integrates the latest industrial ultrasonic technologies and an innovative 10.5-inch full-touch interactive interface, redefining traditional handheld thickness gauges and setting a new industry benchmark. As a flagship non-destructive testing instrument, it delivers outstanding performance with 0.1μm resolution, 75MHz high-frequency ultrasound, scanning imaging, and advanced multi-layer & multi-channel measurement capabilities, enabling users to handle various complex inspection scenarios with confidence.

Designed to solve thickness measurement challenges, the PM9 series provides five professional models tailored for different industries and applications: PM9 Standard Ultrasonic Thickness Gauge, PM9SI Corrosion Scanning Imaging Thickness Gauge, PM9HF High-Frequency Ultrasonic Multi-Layer Coating Thickness Gauge, PM9MX Multi-Channel Ultrasonic Thickness Gauge, PM9 PRO Professional Ultrasonic Thickness Gauge.

PM9 Standard
PM9SI Corrosion Scanning
PM9HF High-Frequency
PM9MX Multi-Channel
PM9 PRO Professional

Core Features

  • High Precision: 0.001mm standard resolution, 0.1μm ultra-high resolution for PM9HF with excellent stability and repeatability

  • Wide Measurement Range: 0.1mm to 10m for steel; minimum 0.05mm for PM9HF

  • Full Probe Compatibility: delay line, contact, protective membrane, pen-type, immersion, dual-element probes

  • Multiple Measurement Modes: Pulse-Echo, Echo-Echo, Interface-Echo, Multiple Echo Verification, Auto

  • MEVER® Multiple Echo Verification technology ensures highly reliable measurement readings

  • 400MHz/12bit digital frequency with adjustable data acquisition parameters

  • 60Hz+ display update rate for efficient rapid scanning inspection

  • Dual B-scan imaging modes (Single-Value & Cross-Sectional) for corrosion and defect detection

  • High-speed B-scan recording: up to 60Hz frame rate, 1 million data points per scan

  • 128GB large storage, storing over 40 million sets of data, waveforms and files

  • 10.5-inch 1920×1280 multi-touch screen, smooth and simple operation

  • Rich interfaces: HDMI, USB 3.0×2, USB 2.0, Type-C PD100W for external display and data transfer

  • Automatic temperature compensation, TDG/AGC, waveform pause and calibration functions

  • 11 hours long battery life, operating temperature range: -10°C~50°C

Model Introduction

PM9 Standard Ultrasonic Thickness Gauge

Versatile and powerful for general industrial thickness measurement. Supports thickness, sound velocity and transit time testing. Equipped with temperature compensation, automatic gain control (AGC/TDG) and pause function for frozen waveform adjustment. Compatible with all ultrasonic probes for thin-walled materials, thick materials, corroded pipes and coated metal measurement.

PM9HF High-Frequency Ultrasonic Multi-Layer Coating Thickness Gauge

Works as an acoustic microscope with 75MHz high-frequency ultrasound. Patented MULTI-MEAST™ technology measures up to 5 independent coating layers simultaneously. Minimum measurement down to 0.05mm (steel) and 12μm for coatings. Suitable for automotive, machinery, ship, wind turbine and wood coatings on steel, aluminum, plastic, carbon fiber, glass and wood substrates.

PM9SI Corrosion Scanning Imaging Thickness Gauge

Professional for corrosion detection of pipelines, pressure vessels and metal structures. Includes encoded B-scan and three types of scanners (car-type, cable pull encode, wheel-type). Adaptive probe holder fits various pipe diameters. Intuitive B-scan imaging quickly identifies wall-thickness reduction and defects, retaining all standard PM9 functions.

PM9MX Multi-Channel Ultrasonic Thickness Gauge

Works with MX-4 multi-channel converter to support up to 4 probes for simultaneous multi-point measurement. Each channel has 20+ independent adjustable parameters. Large screen displays multi-channel waveforms and thickness data synchronously. Detachable converter design for flexible use, same as standard PM9 when not connected to MX-4.

PM9 PRO Professional Ultrasonic Thickness Gauge

For standardized and traceable inspection. Supports workpiece image import and up to 999 inspection points marking with independent alarm limits. Provides data trend analysis (line charts & bar charts) and PDF/Excel report generation. One template can measure up to 1,000 workpieces, realizing full-process traceable inspection.

Main Technical Specifications

ItemParameters
Measurement ModesPulse-Echo, Interface-Echo, Echo-Echo, Multiple Echo Verification, Auto
Probe TypesSingle-element probe, Dual-element probe
Probe Frequency1MHz~20MHz (Standard); 1MHz~75MHz (PM9HF)
Steel Measurement Range0.1mm~10m; Min.0.05mm (PM9HF)
Sound Velocity Range310m/s~18699m/s
Resolution0.001mm (Standard); 0.1μm (PM9HF)
Display10.5-inch multi-touch LCD, 1920×1280
Data Storage128GB built-in memory, USB import/export
Digital Frequency400MHz/12bit
Display Update Rate8Hz/16Hz/30Hz/60Hz/MAX
Operation Temperature-10°C~50°C
Battery Life11 hours
Dimensions215mm×289mm×90mm (H×W×D)
Weight4.067kg
Communication InterfaceUSB 3.0×2, USB 2.0, HDMI
Charging InterfaceLemo 1B 3-pin, USB Type-C PD100W

Applications

YUSHI PM9 Series ultrasonic thickness gauge is widely used in non-destructive testing and quality control across major industries:

  • Oil & Gas Industry: Pipeline corrosion monitoring, wall thickness loss detection

  • Pressure Vessel & Boiler: Internal corrosion inspection, structural integrity verification

  • Automotive & Aerospace: Multi-layer coating measurement, thin-wall precision parts testing

  • Shipbuilding & Marine: Hull corrosion detection, coating thickness inspection

  • Wind Energy: Wind turbine blade coating testing, structural thickness measurement

  • Manufacturing & QC: Mass production thickness detection, precision component inspection

  • NDT Laboratories: High-precision material testing, calibration and certification analysis

It provides stable, efficient and fully traceable ultrasonic testing solutions for equipment safety, product quality control and long-term asset integrity management.

Standard Configuration

  • PM9 Series Ultrasonic Thickness Gauge (selected model)

  • Power Adapter

  • Backup Battery (Power Bank)

  • Ultrasonic Couplant

  • User Manual

  • Certificate of Compliance, Warranty Card, Factory Calibration Certificate

  • Portable Carrying Case

YUSHI PM9 Ultrasonic Testing Workstation – Applications

The YUSHI PM9 Ultrasonic Testing Workstation is an advanced, all‑in‑one non‑destructive testing platform powered by the flagship PM9 series ultrasonic thickness gauge. It integrates high‑precision thickness measurement, ultrasonic B‑scan imaging, multi‑layer coating analysis, multi‑channel synchronous detection, and intelligent data management into a robust workstation solution for laboratory, production line, and on‑site industrial inspection.

With ultra‑high resolution (up to 0.1 μm), 75 MHz high‑frequency ultrasound, 60 Hz high‑speed scanning, and 128 GB large‑capacity data storage, the PM9 workstation supports multiple measurement modes including pulse‑echo, echo‑echo, interface‑echo, and multiple‑echo verification. It delivers stable, repeatable, and fully traceable test results for metal materials, composites, multilayer coatings, pipes, pressure vessels, and critical structural components.

Typical Applications

  • Precision thickness measurement for thin‑wall tubes, metal sheets, precision parts, and pressure equipment

  • Corrosion mapping & wall‑loss detection for pipelines, storage tanks, ship hulls, and boiler structures

  • Multi‑layer coating thickness testing for automotive, aerospace, wind turbine, marine, and mechanical equipment coatings

  • Multi‑channel synchronous inspection for high‑efficiency mass production quality control

  • Automated & templated inspection with workpiece marking, data trend analysis, and PDF/Excel report generation

  • Material defect imaging including delamination, inclusions, and internal flaws in metals and composites

Key Industries Served

Oil & Gas, Petrochemical, Power Generation, Automotive, Aerospace, Shipbuilding, Wind Energy, Pressure Vessel & Boiler, Metal Processing, NDT Laboratories, Manufacturing Quality Assurance.

The YUSHI PM9 Ultrasonic Testing Workstation provides reliable, high‑efficiency, and compliance‑ready ultrasonic inspection to support equipment safety, product quality control, and long‑term asset integrity management.

Product List
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