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Description
Digital Ultrasonic Thickness Gauge 5MHz GM100 - Metal, Steel, PlasticReplacement part number: GM100 Description: The GM100 Digital Ultrasonic Thickness Gauge is a high precision handheld instrument designed for non destructive thickness measurement of a wide range of industrial materials. Utilizing the ultrasonic pulse echo measurement principle and powered by a high performance microprocessor, this device delivers fast, accurate, and reliable thickness readings. It is widely used across manufacturing, metal
Replacement part number:
GM100Description:
The GM100 Digital Ultrasonic Thickness Gauge is a high-precision handheld instrument designed for non-destructive thickness measurement of a wide range of industrial materials. Utilizing the ultrasonic pulse-echo measurement principle and powered by a high-performance microprocessor, this device delivers fast, accurate, and reliable thickness readings.
It is widely used across manufacturing, metal fabrication, pressure vessel monitoring, and commercial inspection industries, making it an essential tool for engineers, technicians, and quality control professionals.
One of its key applications is real-time monitoring of wall thickness degradation in pressure vessels, pipes, storage tanks, and other load-bearing metallic structures helping prevent failure due to internal corrosion or erosion.
Specification:
Measurement Range: 1.2 to 225.0 mm
High Accuracy: ±(1%H + 0.1 mm)
Resolution: 0.1 mm
Sound Velocity Adjustment: 1000-9999 m/s
Calibration Modes: Zero-point & Two-point
Operating Temperature: 0 40°C (32 104°F)
Key Features:
User-Friendly Interface: Backlit LCD display, compact design, and simple key operation
Auto Calibration: Supports zero and two-point calibration for precision
Material Compatibility: Applicable to materials that conduct and reflect ultrasonic waves at constant velocity, such as steel, aluminum, copper, brass, zinc, glass, PVC, nylon, ceramic, and more
Portable Design: Lightweight, rugged, and ideal for field use, including high-altitude or hard-to-reach areas
Versatile
Application:
Industrial Equipment Maintenance Pipe and tank wall thickness monitoring
Metal Fabrication & Machining Component thickness validation
Shipbuilding & Oil/Gas Corrosion monitoring on critical infrastructure
Aerospace & Automotive Structural thickness testing without disassembly
Education & Research Labs Material acoustic velocity testing
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Used Watch?
Color: Black/Gray/Digital
The watch is great but the watch had been worn. The protective film was removed and it was loose in the watch box and not on the plastic holder. I bought a new watch not a used one.
Joe
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Husband's favorite work watch
Color: Black/Black/Digital
Nice, men's work watch, heavy-duty and professional grade. This is my husband's fifth one, he loves them...
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Reviewed in the United States on December 3, 2025
★★★★★ 1
My last Timex and why.
Color: Black/Gray/Digital, Color: Black/Gray/Digital
New edit. Upon further reflection, I’ve only had, a couple of exploratory years with Swatch excepted, Timex watches.
My first one was when my mother replaced the Chicita Banana “tickity tock” sticker with a real Timex wind up watch before my first Cub Scout camp.
In addition to many other Timex products, I’ve had these Ironman watches for the past 25+years. Usually the band wears out and can’t be replaced after three or four years. This particular watch fell apart less than six weeks old. It wasn’t hit by impact. It just came apart while I was driving down the road. I wonder if they’ve changed their manufacturing process. See photo for details. What is truly infuriating is that rather than replacing it, because it is truly a warranty issue, the told me to ship it to their offshore repair facility (which could take 3-5 months) and pay what might be half the value of the watch. Things happen, but the intentional friction they have created to avoid their obligations borders on malpractice and speaks to their indifference toward customer experience and subsequent lifetime value.
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Good watch
Color: Black/Black/Digital
Bought for my 8 yo, durable
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Reviewed in the United States on October 19, 2025
★★★★★ 5
As expected
Color: Gray/Gray/Digital
Just an old school digital timex. Tried and true. Has both 12hr and 24hr function on the time setting. Has a standard stop watch and timer. The battery is great, just as it always is on a timex. Good water resistance and very easy to use. Overall very good watch for the price!
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Reviewed in the United States on July 6, 2025