Leeb342 Ultrasonic Thickness Gauge with print and data storage, straight probe standard
Leeb342 Ultrasonic Thickness Gauge is a Film thickness Measurement Instrument with data storage function and data printing function. Leeb342 Ultrasonic Thickness Gauge uses ultrasonic principle to detect Film thickness of plates, parts, pipes, etc.
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Introduction
Libo leeb342 ultrasonic Thickness Gauge is an ultrasonic Thickness Gauge with a display resolution of 0.01mm and an external probe. The surface temperature range of the measured object is -10~60 degrees Celsius. It is suitable for making ultrasonic waves propagate inside it at a constant speed. And the thickness measurement of various material thicknesses reflected from the back can be obtained. Leeb342 Ultrasonic Thickness Gauge has a data storage function, and has a built-in high-speed thermal printer, which can print the measured data during the measurement process, and the measurement is accurate and reliable.
Product principle
Similar to the principle of light wave measurement, the principle of ultrasonic thickness measurement is that the sound wave emitted by the probe rushes to the object under test and propagates in the object, and is reflected back to the probe when it reaches the interface of the material. The thickness of the material.
Features
1. Leeb342 Ultrasonic Thickness Gauge has a built-in high-speed thermal printer with printing function.
2. Test data can be stored.
3. The upper and lower limit tolerances can be set, and the test data will automatically alarm if the test data exceeds.
4. Voltage prompt function, automatic shutdown.
5. Automatic calibration of zero point, system error can be corrected.
6. Leeb342 Ultrasonic Thickness Gauge can measure the sound velocity according to the known thickness.
7. Measurement unit metric/imperial optional.
8. For the known thickness of composite and unknown materials, back-measure the accurate sound velocity.
Applications
Leeb342 Ultrasonic Thickness Gauge is suitable for measuring the thickness of metal (such as steel, cast iron, aluminum, copper, etc.), plastic, ceramics, glass, glass fiber and any other good conductor of ultrasonic waves. Thickness detection of containers, etc., used in chemical industry, metallurgy, shipbuilding, aerospace, petroleum and other fields.
Pictures

different probe types
| name | model | Frequency (MHz) | Probe diameter | Measuring range | Minimum pipe diameter | Characteristic description |
| standard probe | L51 | 5 | 10mm | 1.0mm~250.0mm (steel) | Φ20mm×3.0mm | Use at room temperature (<60°C) |
| Microbore Probe | L77 | 7 | 6mm | 0.75mm~50.0mm (steel) | Φ15mm×2.0mm | For thin wall and small arc surface, use at room temperature (<60°C) |
| Coarse grain probe | LZ2 | 2 | 22mm | 2.5mm~350mm (steel) | 20 | For the measurement of coarse-grained materials such as cast iron, used at room temperature (<60°C) |
| High temperature probe | LG5 | 5 | 14mm | 2.0~100mm (steel) | 30 | For the measurement of materials with temperatures below 300°C |
Leeb Lib 342 Ultrasonic Thickness GaugeSpecifications
| LIST | VALUE |
|---|---|
| Measuring range | 1~250mm |
| Probe frequency | 5MHz |
| Probe style | Split probe |
| Probe diameter | F10mm |
| Probe contact temperature | -10~60℃ |
| Lower limit of pipe measurement | F20 * 3mm |
| Measurement error | ±(1%H+0.1)mm |
| Display resolution | 0.01mm |
| unit system | mm |
| Calibrated | Zero calibrated |
| Sound speed range | 1000~9999m/s |
| Display | LCD |
| Operating language | Chinese |
| Application software | without |
| Power | 6V/600mA rechargeable NiMH battery |
| Operating Time | 200h |
| Host size | 230*86*46mm |
| Weight | About 400g (host) |
Leeb Lib 342 Ultrasonic Thickness Gauge Packing list
Host x1, Probe x1, Power Adapter x1, Coupling Agent x1, Printing Paper x1, Random Test Block x1, Certificate x1, Manual x1, Outer Encasement Box x1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- ActiveJJF 1224-2009
- ActiveJJF 1126-2004
- ActiveJB/T 11604-2013
- ASTM E797-2021
- AbolishGB/T 11344-2008
- JJF 1126-2004
- AbolishZB N 77001-1989


Lib 342





