The handheld TM270 series ultrasonic thickness gage uses dual element transducers for corrosion applications. It offers many basic features such as Min/Max Mode that measures and recalls the minimum thickness at a fast 20 readings per second, Freeze Mode to instantly capture critical thickness, and Zero Compensation, A-scan display for echo-echo measurement.

Measurements from one side

Ultrasonic thickness gages make instant digital measurements by transmitting sound into a material from one side, making it unnecessary to cut the corroded part.

Lightweight and pocket-size

These handheld gages are small enough to fit in a toolbox or inside your pocket. They are ideal for quick inspections in hard-to-reach areas.

Color-coded keypad

You can directly access many important measurement features for time-saving operation. Strategically located keys are grouped together by color for easy operation.

Large OLED display

The large numerals make it easy to read thickness measurements.


Thickness range: 0.6 mm – 508 mm, ( 0.008 – 20 inches )
depending on material, temperature and transducer selection Material Velocity Calibration Range: 500 – 9999 m/s (0.0197 – 0.3937 in/uS ) Battery type: 2 “AA” Alkaline
Battery life: Up to 35 hours
Color Display: 320×240 pixels, 2.4” high resolution OLED display
Display contrast: 10000:1
Information displays: LOS, min, max, large reading while displaying min at
the same time, velocity, zero, calibration, units, freeze, unfreeze, % battery life remaining, gain – low, std, high, echo to echo symbol
Resolution: 0.01 or 1mm . (0. 001″ or 0.01”)
Units: English/Metric
Gain: Low, Standard and High for varying test conditions
Measurement rate: 4, 8, 16 Hz refresh
Differential Mode: Displays the difference from the actual
thickness measurement and a user entered reference value
Alarms: Minimum/Maximum depth, beeps and display flashes as well as keypad illumination
Shut off: Manual or Auto, time out (user programmable from 5,10,20 minutes)
Fast Scan Min/Max mode: Displays minimum or maximum thickness value
Freeze mode: Freezes display to hold onto last reading
Scan mode: Displays minimum or maximum thickness value
Differential Mode: Displays the difference from the actual thickness measurement and a user entered reference value
Alarms: Minimum/Maximum depth
Keypad: Color Illuminate , easy setup and operate
Waveform: Color A-scan Waveform display
Gain Adjust: low, medium and high variable adjustment of gain
Rectification Modes: A-San Shot(Basic function)
Echo to Echo: Besides the last functions,add Measures the metal thickness only (ignore paint and coatings)as Model TM270D
Data logger:Besides the last functions,add 100,000 thickness data logger with ID point in linear or grid files ( 400 files) as Model TM270DL
Output: USB 2.0 full speed connector. DataView report software
Size: 153mm) (L) 76mm) (W) x 1.25″ (37 mm) (H)
Weight: 280 g
Temperature: Gage Operating: -10°C to 50°C

Standard Package includes

– Main unit
– 5MHz, 10 mm diameter transducer
– operational manual,
– probe cable,
– couplant ,
– certificate,
– hard carrying case


2 year warranty on parts and labor

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