PM5 Gen3 High Precision Ultrasonic Thickness Gauge (PM5 Gen2 Upgraded Version)
Multi-layer Thickness Measurement
Ultra-thin Material Thickness Measurement
Large Range Thickness Measurement
High Tempature Thickness Measurement
Measurement Video
Key Features of PM5 Gen3
The PM5 Gen3 is a high-precision ultrasonic thickness gauge engineered for demanding NDT applications. It delivers 0.001mm resolution across a wide measurement range — from 0.15mm ultra-thin steel to 10m-long steel rods — with full compatibility for single-element probes (1–75 MHz). Its IP67-rated housing withstands 1m water immersion for 30 minutes, ensuring reliable operation in factory floors, field inspections, and high-temperature environments.
Ultra-High Accuracy & Wide Range
0.001mm (0.0001in) resolution – Distinguishes test blocks with 0.001mm difference.
0.15mm to 10m+ measurement range – Covers ultra-thin plates to long steel rods.
0.05mm minimum in steel – High-frequency option with 75MHz probe.
0.0001mm (0.1μm) resolution in MEV mode – Maximum display resolution for ultra-thin materials.
0.001mm resolution · 10m range · 75MHz option
Advanced Measurement Modes & Visual Inspection
4 measurement modes – P-E, E-E, I-E, MEV (Multiple-Echo Verification).
60dB analog gain + 6.5× digital gain – Digital gain amplifies up to 650% without signal saturation.
200MHz digital frequency – Captures distortion-free A-scan waveforms.
B-scan cross-sectional imaging – Auto-captures minimum values for corrosion mapping.
4 measurement modes · A-scan · B-scan imaging
Multi-Layer, Coating & Probe Compatibility
Substrate + coating simultaneous display – Dual-measurement software shows both values.
Up to 5-layer composite measurement – Each layer configurable for mode, velocity, range, gain, gate, polarity.
1–75 MHz single-element probes – Delay line, contact, protective membrane, pencil, water immersion.
400 user-defined probe configurations – One-click loading for quick setup.
5-layer measurement · 75MHz · 400 probe presets
Data Management, Connectivity & Rugged Design
100,000 readings + 400 setup files – Full data traceability for ISO/AS9100/FDA compliance.
DataView PC software included – Export, analyze, print, or save data in Excel format.
IP67 fully sealed housing – Withstands 1m water immersion for 30 minutes.
22-hour battery life – Ultra-low power (<0.3W) on two AA batteries.
100,000 readings · IP67 · 22h battery life
Technical Specifications
| Category | Parameter | Specification |
|---|---|---|
| Measurement | Measurement Modes | P-E, E-E, I-E, MEV (Multiple-Echo Verification) |
| Probe Types | Single-element: delay line, contact, protective membrane, pencil, water immersion | |
| Probe Frequency Range | Standard: 2.25–20 MHz; Optional: up to 75 MHz | |
| Measurement Range (Steel) | 0.15mm – 10m (probe dependent) | |
| Resolution | 0.001mm / 0.0001in / 1μm / 0.1mil (0.0001mm in MEV mode) | |
| Sound Velocity Range | 310 – 18,699 m/s (reverse calibration supported) | |
| Display Update Rate | Selectable 4Hz / 8Hz / 16Hz | |
| Digital Frequency | 200MHz | |
| Gain | 60dB analog + 6.5× digital (650% max) | |
| Functions | Upper/lower alarm, min/max, difference/reduction rate, B-scan | |
| Data Logger | Storage Capacity | 100,000 readings + 400 setup files (with parameters & waveforms) |
| Software | DataView for Windows (analysis, export, Excel, printing) | |
| Display | Screen | 2.4-inch IPS color LCD (320×240) |
| View Modes | Large digits, A-scan, B-scan, A-scan+storage grid, guided calibration | |
| Rectification Modes | RF, RF-, FULL, HALF+, HALF- | |
| Units | mm / inch / μm / mil / m/s / in/μs / ns / μs | |
| Interfaces | Probe Connector | LEMO 00 |
| I/O Connector | LEMO 00 4-pin | |
| Communication | Mini-USB (standard); RS232 / Bluetooth (optional) | |
| General | Ingress Protection | IP67 (1m immersion for 30 min) |
| Operating Temperature | -10°C to 50°C | |
| Dimensions (H×W×D) | 153mm × 76mm × 37mm | |
| Weight | 280g (including batteries) | |
| Power Supply | 2×AA batteries (≥22 hours) / USB port power | |
| Auto Power Off | Selectable 5/10/20 min idle timeout, or manual | |
| Standard Configuration | Included | PM5 Gen3 gauge, D15A delay line probe (with test report), probe cable, rubber sheath with stand, communication cable, USB drive, software, manual, calibration certificate |
Quick FAQs – PM5 Gen3
What is the maximum measurement range?
Up to 10m in steel with appropriate probes.
What is the minimum measurable thickness?
0.15mm in steel (standard); 0.05mm with high-frequency 75MHz probe option.
Can it measure through coatings?
Yes. Echo-Echo mode penetrates coatings to measure base metal thickness.
How many layers can it measure?
Up to 5 layers with Multi-Layer software option, each independently configurable.
How much data can it store?
100,000 readings + 400 setup files with complete parameters and waveforms.
Is it waterproof?
Yes. IP67-rated — 1m water immersion for 30 minutes.
What probes are compatible?
Over 20 single-element probe types: delay line, contact, protective membrane, pencil, water immersion, 1–75 MHz.
Does it support wireless data transfer?
Yes. Optional Bluetooth module for wireless transmission to PC or mobile devices.
Industry Applications – PM5 Gen3
The PM5 Gen3 multifunctional ultrasonic thickness gauge delivers high-precision measurements across a wide range of industries. With 0.001mm resolution, multi-layer capability, and 75MHz high-frequency support, it addresses the most demanding inspection scenarios.
Aerospace
Turbine blade thickness measurement
Aircraft fuselage panel inspection
Multi-layer composite structure testing
Protective coating thickness monitoring
High-frequency probes · Multi-layer software
Semiconductor & Electronics
Semiconductor wafer thickness gauging
Precision thin-film measurement
Copper-aluminum composite inspection
Electronic component quality control
75MHz probe · High-resolution mode
Metal Processing & Precision Manufacturing
Ultra-thin steel plate measurement (down to 0.05mm)
Precision machined component inspection
Metal foil and thin-wall titanium parts
Quality control in fabrication
Delay line probes · High-frequency option
Energy & Power Generation
Boiler tube oxide scale measurement
Pipeline corrosion monitoring
Pressure vessel wall thickness inspection
High-temperature component testing
Oxide scale software · Temp compensation · Dual-element probes
Automotive Manufacturing
Engine component thickness inspection
Body panel coating measurement
Multi-layer material quality control
High-speed production line scanning
High-speed mode · Double-layer software
Research & Laboratories
Material sound velocity characterization
Composite material research
Bolt stress measurement studies
Advanced NDT method development
Velocity meter mode · A-scan waveform analysis
Industry Applications at a Glance
| Industry | Typical Components | Recommended Options |
|---|---|---|
| Aerospace | Turbine blades, fuselage panels, composites | High-frequency probes, Multi-layer software |
| Semiconductor | Wafers, thin films, electronic components | 75MHz probe, High-resolution mode |
| Metal Processing | Ultra-thin plates, foils, precision parts | Delay line probes, High-frequency option |
| Power Generation | Boiler tubes, pipelines, pressure vessels | Oxide scale software, Temp compensation |
| Automotive | Engine parts, body panels, multi-layer materials | High-speed mode, Double-layer software |
| Research | Material samples, composites, stress test specimens | Velocity meter mode, A-scan analysis |
Standard Packaging & What's in the Box
Every PM5 Gen3 ultrasonic thickness gauge comes complete with everything you need to start measuring right out of the box. Below is the full list of standard accessories included with each unit.
| Name | Quantity | Remarks |
|---|---|---|
| PM5 Gen3 Ultrasonic Thickness Gauge | 1 | |
| D15A Single Element Delay Line Probe | 1 | With test report |
| Probe Cable | 1 | LEMO00 - Microdot |
| Rubber Protective Sheath with Holder | 1 | |
| Two AA Alkaline Batteries | 1 | Not included in air shipment |
| Couplant Bottle | 1 | |
| USB Communication Cable | 1 | |
| USB Flash Drive | 1 | |
| Carrying Case | 1 | |
| Certificate of Qualification | 1 | |
| Factory Calibration Certificate | 1 | |
| User Manual | 1 | |
| Warranty Card | 1 | |
| Packing List | 1 |
Optional Functions & Accessories – PM5 Gen3
The PM5 Gen3 offers extensive functional options and accessories for flexible configuration across diverse industries and applications.
Optional Functions
High-Frequency & High Resolution
Supports up to 75MHz probes (30/50/75MHz). 0.05mm min. in steel with 50MHz probe.
High-Speed Measurement
Background high-speed with low-refresh directional display. Up to 2KHz in window mode.
Noise Reduction & Damping
Increases SNR for layered composites. Damping: High/Low/Default.
Ultrasonic Velocity Meter
Measures sound velocity and time-of-flight. For cast iron, bolt stress, density monitoring.
Window Mode
Adjustable delay/range. Max delay distance up to 62m in steel.
Adjustable Sampling
200/100/50MHz selectable. Optimizes accuracy vs. range.
Double-Layer Software
Simultaneous substrate + coating display. For composite plates and coated metals.
Oxide Scale Measurement
Measures boiler tube oxide layers. 15MHz (0.25mm) or 20MHz (0.15mm) probes.
Temperature Compensation
Auto-corrects thickness based on calibration and workpiece temperature.
Large Range Mode
Pulse-echo based. Display range up to 38m with high accuracy.
Auto-Freeze
4 trigger conditions: highest echo, consecutive values, echo count, target range.
Directional Capture
5 capture modes: Min, Max, Highest Echo, Consecutive, Echo Count.
Multi-Layer Software
Measures up to 5 independent layers with individual parameters.
Bluetooth
Wireless transfer to Windows, Android, iOS. No extra software needed.
Dual-Element Probe
P-E and E-E modes with auto V-path correction. For corroded metals.
Four-Channel Option
Connects MX-4 multiplexer. Displays 4 probes simultaneously.
System Integration
Real-time wired/wireless data transmission. UStation software support.
Accessories
Delay Line Probes
High accuracy, high resolution, low measurement limit. Suitable for thin and ultra-thin materials.
| Model | Frequency | Element Size | Contact Diameter | Range (Steel) |
|---|---|---|---|---|
| D2.25M13 | 2.25MHz | 13mm | 14mm | 1-25mm |
| D5M13 | 5MHz | 13mm | 14mm | 0.4-30mm |
| D5M6 | 5MHz | 6mm | 7.5mm | 0.3-30mm |
| D10M6 | 10MHz | 6mm | 7.5mm | 0.2-30mm |
| D15M6 | 15MHz | 6mm | 7.5mm | 0.15-30mm |
| D20M3 | 20MHz | 3mm | 4.8mm | 0.13-12mm |
| D30M3 | 30MHz | 3mm | 9mm | 0.09-6mm |
| D50M3 | 50MHz | 3mm | 9mm | 0.05-6mm |
| M2102 | 75MHz | 3mm | 15mm | 0.03-0.7mm |
Protective Membrane Probes
Impedance-matched with coatings. Measures through thick coatings up to 100mm. Dry coupling on smooth surfaces.
| Model | Frequency | Element Size | Contact Diameter | Range (Steel) |
|---|---|---|---|---|
| M2.25M19 | 2.25MHz | 19mm | 21.7mm | 0.8-230mm |
| M2.25M13 | 2.25MHz | 13mm | 16.5mm | 0.8-230mm |
| M3.5M13 | 3.5MHz | 13mm | 16.5mm | 0.6-230mm |
| M5M13 | 5MHz | 13mm | 16.5mm | 0.5-230mm |
| M5M10 | 5MHz | 10mm | 13.5mm | 0.5-230mm |
| M5M6 | 5MHz | 6mm | 8mm | 0.5-230mm |
Contact Probes
Wide measurement range and strong penetration. Suitable for medium-thickness plates and highly attenuative materials.
| Model | Frequency | Element Size | Contact Diameter | Range (Steel) |
|---|---|---|---|---|
| C2.25M13 | 2.25MHz | 13mm | 15mm | 1-100mm |
| C5M13 | 5MHz | 13mm | 15mm | 0.4-120mm |
| C5M6 | 5MHz | 6mm | 9.4mm | 0.4-120mm |
| C10M6 | 10MHz | 6mm | 9.4mm | 0.2-80mm |
| C20M3 | 20MHz | 3mm | 6.3mm | 0.2-38mm |
Water Immersion Probes
Stable coupling for point or line focusing. Suitable for automated in-line thickness measurement.
| Model | Frequency | Element Size | Product Code | Lower Limit (Steel) |
|---|---|---|---|---|
| W2.25M13 | 2.25MHz | 13mm | Q-717-0043 | 1.00mm |
| W5M6 | 5MHz | 6mm | Q-717-0044 | 0.40mm |
| W5M13 | 5MHz | 13mm | Q-717-0021 | 0.40mm |
| W10M6 | 10MHz | 6mm | Q-717-0041 | 0.30mm |
| W15M6 | 15MHz | 6mm | Q-717-0042 | 0.20mm |
Pencil Probe
Conical delay line with very small contact point. Suitable for curved and concave surfaces.
| Model | Frequency | Element Size | Product Code | Lower Limit (Steel) |
|---|---|---|---|---|
| V260-SM | 2.25MHz | 3mm | J-717-0011 | 0.20mm |
Cable Connectors
| Type | Description |
|---|---|
| LEMO 00 | Standard probe connector |
| LEMO 00 Armored | Reinforced for rugged use |
| LEMO 00 Right Angle | Low-profile for tight spaces |
| Microdot | Microdot interface |
| Microdot Right Angle | Right-angle Microdot |
| BNC | Standard BNC interface |
| LEMO 1 | Alternative LEMO interface |
| Waterproof UHF | Weatherproof connection |
Test Blocks
Over 100 types available. Selection of specifications shown below.
| Material | Product Code | Step Thicknesses |
|---|---|---|
| 1018 Steel | B-101-00020 | 0.250/0.500/0.750/1.000" |
| 304 Stainless Steel | B-101-00330 | 0.100/0.200/0.300/0.400/0.500" |
| 6063 Aluminum | B-101-00372 | 2.50/5.00/7.50/10.00/12.50mm |
| 6AL4V Titanium | B-101-00570 | 0.100/0.200/0.300/0.400/0.500" |
| 7075 Aluminum | B-101-00312 | 2.50-25.00mm (10 steps) |
Delay Lines
| Model | Product Code | Description |
|---|---|---|
| Φ13.9×12.5mm | P-112-0018 | For 13mm probes |
| Φ4.7×5.6mm | P-112-0019 | For 3mm probes |
| PHT-13-1 | P-112-0021 | For 13mm probes, 480°C max |
| PHT-6-0.5 | P-112-0013 | For 6mm probes, 480°C max |
