- Details
- Category: Thickness Gauges

The Extech TKG150 is a Digital Ultrasonic Thickness Gauge and Datalogger. The compact and durable meter enables for non-destructive thickness measurements. It provides thickness gauges in a compact, portable, durable chassis that is perfect for field applications. Ultrasonic technique enables non-destructive thickness measurements for mostly steel structures. Comes with a protective holster, a 2 oz container of coolant, two AA batteries, a 5 MHz transducer, a durable carrying case, a USB cable, and exporter software.
Alarm | Audible beeping; illuminae flashing display and keypad; and vibration feedback |
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B-Scan (Cross Section) | Displays a visual cross section of inspection area with no correlation to distance |
Differential Mode | Displays the difference from the actual thickness measurement and a user entered reference value |
Echo to Echo | Measure the metal thickness only (paint and coatings do not affect base material thickness value) |
Gain | Low, Standard, High |
Material Velocity Calibration | 0.200 to 0.7362 in/µS (0.508 to 18.699mm/µS) |
Memory | Stores 50k readings (expandable to 100k) and 5,000 waveforms |
Steel Thickness | 5MHz probe: 0.040 to 20" (1.0 to 508mm); 10MHz probe: 0.030" to 2" (0.76mm to 50.8mm) |
Velocity Mode | Displays acoustic sound speed to measure thickness of unknown materials |
Certifications | CE |
IP Rating | IP54 |
Power | 2 × AA (1.5V) batteries |
Warranty | 2 years |
- Details
- Category: Thickness Gauges

The Extech TKG100 Thickness Gauges are designed in a compact, portable, durable chassis that is suited for use in the field. Ultrasonic technique enables non-destructive thickness measurements for mostly steel structures. It has several transducer options for high-temperature and difficult-to-measure materials. Comes with a 2 oz container of coolant, two AA batteries, a 5 MHz transducer, and a sturdy carrying bag.
Material Velocity Calibration | 0.200 to 0.7362 in/µS (0.508 to 18.699mm/µS) |
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Steel Thickness | 5MHz probe: 0.040 to 20" (1.0 to 508mm); 10MHz probe: 0.030" to 2" (0.76mm to 50.8mm) |
Certifications | CE |
IP Rating | IP54 |
Power | 2 × AA (1.5V) batteries |
Warranty | 2 years |
- Details
- Category: Thickness Gauges

The Extech CG304 Coating Thickness Tester provides a non-destructive method for measuring the thickness of ferrous and non-ferrous substrates, with automatic material recognition. Memory holds 2500 readings. The unique Bluetooth interface feature wirelessly transmits data to your PC for further analysis, allowing you to compile a detailed report. Special LCD with backlighting and contrast for easier viewing in different lighting settings. The kit includes two AAA batteries, software, a protective case, steel and aluminum substrates, and standard calibration films.
Coating Thickness (Ferrous) | 0 to 2000µm; 0 to 78.7mils |
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Coating Thickness (Ferrous) Basic Accuracy | ±(2%+2µm); ±3.5% (1000 to 2000µm) |
Coating Thickness (Ferrous) Max Resolution | 0.1µm (0.01mils) |
Coating Thickness (Non-Ferrous) | 0 to 2000µm; 0 to 78.7mils |
Coating Thickness (Non-Ferrous) Basic Accuracy | ±(2%+2µm); ±3.5% (1000 to 2000µm) |
Coating Thickness (Non-Ferrous) Max Resolution | 0.1µm (0.01mils) |
Min Curvature Radius (Ferrous) | 1.5mm (59.06mils) |
Min Curvature Radius (Non-Ferrous) | 3mm (118.1mils) |
Min Diameter (Ferrous) | 7mm (275.6mils) |
Min Diameter (Non-Ferrous) | 5mm (196.9mils) |
Min Thickness (Ferrous) | 0.5mm (19.69mils) |
Min Thickness (Non-Ferrous) | 0.3mm (11.81mils) |
Working Principle (Ferrous) | Magnetic Induction |
Working Principle (Non-Ferrous) | Etdy Current |
Certifications | CE |
Dimensions | 4.7 × 2.4 × 1.25" (120 × 62 × 32mm) |
Power | 2 × AAA (1.5V) batteries |
Warranty | 2 years |
Weight | 6.17oz (175g) |
- Details
- Category: Thickness Gauges

Dual technology automatically recognizes ferrous and nonferrous substrates without requiring you to guess the material. Allows for rapid, one-handed, non-destructive measuring of coating thickness on a variety of surfaces.
Coating Thickness (Ferrous) | 0 to 1350µm (0 to 53mils) |
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Coating Thickness (Ferrous) Basic Accuracy | ±2.5% |
Coating Thickness (Ferrous) Max Resolution | 0.1µm (0.004mils) |
Coating Thickness (Non-Ferrous) | 0 to 1350µm (0 to 53mils) |
Coating Thickness (Non-Ferrous) Basic Accuracy | ±2.5% |
Coating Thickness (Non-Ferrous) Max Resolution | 0.1µm (0.004mils) |
Min Curvature Radius (Ferrous) | 1.5mm (59.06mils) |
Min Curvature Radius (Non-Ferrous) | 3mm (118.1mils) |
Min Diameter (Ferrous) | 7mm (275.6mils) |
Min Diameter (Non-Ferrous) | 5mm (196.9mils) |
Min Thickness (Ferrous) | 0.5mm (19.69mils) |
Min Thickness (Non-Ferrous) | 0.3mm (11.81mils) |
Working Principle (Ferrous) | Magnetic Induction |
Working Principle (Non-Ferrous) | Etdy Current |
Certifications | CE |
Dimensions | 4.5 × 2.1 × 1.1" (113.5 × 54 × 27mm) |
Power | 2 × AAA (1.5V) batteries |
Warranty | 2 years |
Weight | 3.9oz (110g) |