1. High impedance dual crystal probe;
2. Pulse-echo mode, measuring range of 0.65~500mm (standard probe is 0.8~300mm)
3. Echo-echo mode (measured through coating), measuring range up to 3-25mm (MiniTest 440 model available)
4. Sturdy anti-static, fireproof plastic shell.
5. Quickly measure the thickness of metal, plastic, glass, ceramics and other materials.
6. Suitable for laboratory and industrial use.
● It is suitable for the detection of wall thickness and local corrosion and rust of various plates, pipes, oil tanks, oil pipes and boiler vessels.
● It is suitable for product inspection in various industrial sectors such as oil refining, iron and steel, metallurgy, shipbuilding, machinery, chemical industry, electric power, and atomic energy.

| Model | Crystal diameter | frequency | Measuring range | Operating temperature | Introduction |
| U5.0E | 8MM | 5.0MHZ | 3-25MM(E-E);0.8-300MM(T-E) | -12~+60℃ | The 440 comes standard with a probe, and the 440 probe has a pass-through mode for measurement through coatings. |
| U10.0 | 4MM | 10.0MHZ | 0.65-20MM | -12~+60℃ | Small diameter probes. The minimum measuring tube outer diameter is 10mm |
| U7.5 | 6MM | 7.5MHZ | 0.65-50MM | -12~+60℃ | It is mainly used for the measurement of thin walls and small arcs. The minimum measuring tube outer diameter is 15mm |
| U5.0 | 8MM | 5.0MHZ | 0.8-300MM | -12~+60℃ | The 420 and 430 are supplied with probes as standard, which are primarily used to measure flat or large surfacesThe material of the radian. The minimum measuring tube outer diameter is 20mm |
| U2.0 | 12MM | 2.0MHZ | 2.0-500MM | -12~+60℃ | Coarse-grain probes are mainly used for the measurement of coarse-grained materials such as cast iron. Minimal measurementsTube outer diameter 30mm |
| U5.0HT | 13MM | 5.0MHZ | 3.0-100MM | -12~+350℃ | High-temperature probes, mainly used to measure materials with temperatures less than 350°C. Note: The contact time between the crystal and the high-temperature object to be measured during the measurement shall not be greater than5S. Minimum measuring tube outer diameter 25mm |
黄文亚 - 《超声波测厚仪的工作原理及使用注意问题》
任黎明 - 《超声波测厚仪在石油钻具生产中的应用》
张学勇 - 《超声波测厚仪在吐丝管磨损监测中的应用》
黄胜清 - 《超声波测厚技术的应用》
王智慧 - 《超声波测厚仪测量结果不确定度评定及校准和测量能力表示》