Ultrasonic Thickness Gauge Leeb 330/331/332
Function & Feature
● High quality metal sheel.
● Two display units: mm and inch.
● With coupling state indication.
● Measuring sound velocity: according to the known thickness of the object, sound velocity of it can be measured directly.

Measuring Materials
The Ultrasonic wall thickness measurement machine adapted to all kinds of materials which are good conductor of ultrasonic wave, such as metals (steel, cast iron, aluminum, copper and etc), plastic, ceramics, composites, epoxies, glass and etc.
Basic Working Principle
The ultrasonic wave pulses transmitted by the probe reach the object to be measured and propagate in the object and they reach the interfaces, they are reflected back. The thickness of the object is determined by precisely measuring the time of the ultrasonic wave travels in the object.
Thickness Measurement Steps
Adjust the sound velocity depending on the material.
Put the coupling agent on the place to be measured.
Couple the probe with the material to be measured. If the coupling is well done, the coupling indication sign will be displayed on the screen, then the screen will display the thickness.
Take the probe away, the thickness value will remain and coupling indication will disappear.
Technical Specification
|
Model |
Leeb 330 |
Leeb 331 |
Leeb 332 |
|
Measuring range (mm) |
0.7~300 |
||
|
Resolution (mm) |
0.1 |
0.01 |
|
|
Accuracy (mm) |
±(1%H+0.1) H refers to the thickness of testing piece |
±(0.5%H+0.01) H refers to the thickness of testing piece |
|
|
Velocity range (m/s) |
5920 |
1000~9999 |
|
|
Velocity measurement |
√ |
||
|
Storage |
N |
1000 Groups |
|
|
Shell |
Metal |
||
|
Operating temperature |
-10°C~60°C |
||
|
Dampness |
20%~90% |
||
|
Dimensions |
130×70×25mm |
||
|
Power supply |
2 AAA alkaline batteries |
||
|
Weight |
420g |
||
Standard Configuration
|
Name |
Quantity |
Name |
Quantity |
|
Main unit |
1 |
Coupling agent |
1 |
|
Standard probe (5P Ø10) |
1 |
AAA alkaline battery |
2 |
|
Users' Manual |
1 |
Packing list |
1 |
|
Qualified Certificate |
1 |
Warranty card |
1 |
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