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ATG300 Ultrasonic Though Coating Thickness Gauge

ATG300 Ultrasonic Though Coating Thickness Gauge

Brand Name : AJR
Model Number : ATG300
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ATG300 Ultrasonic Through Coating Thickness Gauge

Detailed Product Description

Application:Used for measuring thickness and corrosion of pressure vessels, chemical equipment, boilers, oil storage tanks, etc. in industries of petroleum, shipbuilding, power station, and machine manufacturing.etc.

Operating principle:

Pulse~echo mode(standard mode:for ordinary thickness measurement)

Echo~echo mode(coating mode:for net thickness measurement without removal of the painting)

﹡Multiple echo (ME) Thru-Paint models could measure the net thickness of a painted structure without having to remove the coating.
Tech Data:

Measuring Range

0.8~300mm (standard mode)/3~18mm (coating mode)

(Depend on the probe, materials and surface conditions)

Unit and Resolution


Material’s Velocity Range

1000~9999m/s, 0.0394~0.3937in/us

Linearity Error

±0.1mm (≤10mm)

±0.5%H+0.01(≥10mm) (H-the height of the analyte)

Display Screen

128*64 dot-matrix LCD(42*57mm)With backlight

Probe zero adjustment (Selectable)

1-point calibration: normal measurement

2-point calibration: curve surface measurement or other

special application with a high precision

Data Storage

Divided 5 arrays, could store 500 thickness values

Minimum value checking

Move the probe along the surface of the testing material, ATG300 is able to automatically find the thinnest point.

Warning function

If the measured value exceeds the pre-set thickness limit, the warning tone will start.

V-Path Modification

Auto V beam path modification, could cover the nonlinearity for double crystal probe



Auto shut-off

Will shut off automatically after 5 min. of non-use

Working Temperature

-10℃~+50℃,and could reach -20℃ in special requirement


149×73mm×32mm (H×W×D)


200g (including batteries)


Two 1.5V AA alkaline batteries

Warning with low battery voltage

Measurement update rate

4 Hz in standard measurement mode

25 Hz in MIN capture mode

Operating time

Up to 200 hours (without backlight) with alkaline batteries, depending on operating mode

Standard package

ATG300 thickness gauge

Standard probe

Carrying case

Two 1.5V AA alkaline batteries


Operating manual

Certification of quality

Packaging list

Optional accessories

Attachable rubber case

Numerous special probes on request

Couplants and high-temperature couplant

4-step/6-step block for calibration

Data transmission cable

Application software

Product Tags:

ultrasonic thickness gauge


thickness gauge


thickness meter

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ATG300 Ultrasonic Though Coating Thickness Gauge Images

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