













| Item | Ultrasonic Thickness Gauge | Coating Thickness Gauge |
| Measurement type | Substrate thickness (e.g. steel plate, aluminium sheet) | Coating/plating thickness (e.g. paint, electroplated layer) |
| Working Principle | Ultrasonic pulse-echo method, measuring the propagation time of sound waves through materials | Electromagnetic induction (F-probe) and eddy current effect (N-probe) |
| Applicable Materials | High-density solid materials (steel, aluminium, copper, glass, plastics, etc.) |
• Measurement Principle: Ultrasonic pulse-echo technology
• Measuring Range: 0.8-500mm
• Accuracy: ±0.05mm to ±(0.1+H/100)mm depending on thickness
• Resolution: 0.01mm/0.1mm
• Sound Velocity Range: 1000-9999 m/s
• Data Storage: 100 sets of measurements
• Built-in Alarm: Customizable thickness limits with buzzer alert
• Auto-Calibration: Quick self-calibration with included test block
• Power: 3×AA batteries (≈20 hours operation)
Metal plates, pipes, tanks
Manufacturing & metal processing
Industrial maintenance
Quality control inspections
Corrosion monitoring
Ultrasonic Thickness Gauge
5MHz Ultrasonic Probe (φ10mm)
50ml Coupling Gel
3×AA Batteries
Instruction Manual
Calibration Test Block (4.00mm)
F Probe: Magnetic induction for non-magnetic coatings on steel/iron
N Probe: Eddy current for insulating coatings on aluminum/copper/brass
• Measuring Range: 0-1500μm (0-59.1mil)
• Accuracy: ±(2.5% + 1μm)
• Resolution: 0.1μm / 0.01mil
• Dual Measurement Modes: Single (SNG) & Continuous (CON)
• Auto Substrate Detection: Automatically identifies Fe/NF materials
• Auto Power Off: 5-minute energy saving
• Power: 4×AAA batteries
Paint thickness measurement
Plating quality control
Anodizing thickness
Powder coating inspection
Automotive & industrial finishing
Coating Thickness Gauge
F & N Probes (pre-installed)
5 Standard Calibration Foils (50/100/250/500/1000μm)
Ferrous & Aluminum Substrates
User Guide
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2. Delivery time: 2-7 days
Please contact the seller before requesting the return.
Please contact the seller before requesting the return.
We offer a 30 day money back guarantee for all goods shipped correctly that are no longer required - only if they are unused.
For items which are faulty on receipt, you must notify us within 14 days by e-mail via eBay only. We will then inform you of the next steps.
If a wrong item is received, the item must be returned to us within 7 days of receipt and we will send the correct item as soon as possible.
1. BESTMETER (ZHUHAI) ELECTRONIC TECHNOLOGY LIMITED is one of the Test and Measurement solutions provider in China. BTMETER R&D centers in Zhuhai,capable of manufacturing innovative, reliable, high quality, safe to use, and user friendly products.
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