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The PMT-1000 Portable Nondestructive Indentation Tester is specialized for assessing the embrittlement tendency of cryogenic pressure vessels, such as LNG tanks. It rapidly measures material properties to detect microstructural changes that could lead to brittle fracture, providing essential data for safety assessments.
Developed by Wuxi Zhanghua, this tester leverages indentation and indentation energy difference methods, which won a gold medal at the Geneva International Invention Exhibition.
| Maximum Load | 1000 N (Max) |
| Actuation Range | 25 mm |
| Loading Speed | 0.01~30 mm/min |
| Data Acquisition Rate | 100 Hz |
| Motor Rated Voltage | 2.1 V |
| Motor Rated Current | 3 A |
| Power Supply | Wired/Wireless 220V/24V |
| Testing Range | Macro-scale |
| Indentation Depth | 60~120 μm |
Model PMT-1000 is available. Custom fixtures can be provided for specific cryogenic vessel geometries.
Compatible with materials such as cemented carbide, stainless steel, and aluminum alloy. Robust design allows operation in harsh conditions like high humidity, dust, and vibration.
Specifically used for assessing embrittlement of cryogenic pressure vessels, including LNG tanks. Also applicable in petrochemical, energy, and aerospace industries for pressure equipment safety.
Wuxi Zhanghua provides customized solutions, including specialized fixtures and software enhancements to meet unique testing needs.
A special inspection institute used the PMT-1000 for testing special equipment and achieved stable operation over 10 years. The testing was praised for its speed and accuracy.
It measures mechanical properties that are sensitive to microstructural changes caused by cryogenic exposure, such as hardness and yield strength, which are indicative of embrittlement.
Yes, its nondestructive and portable nature allows testing on in-service tanks, minimizing operational disruption.
It supports testing on cemented carbide, stainless steel, and aluminum alloys commonly used in cryogenic vessels.
The instrument is designed for ease of use, but Wuxi Zhanghua can provide training upon request.
It operates on 220V or 24V, making it adaptable to various site power supplies.
Yes, by measuring strength properties, it can provide data for remaining life prediction of over-design-life equipment.
For more details, contact us:
Email: vincent_zhang@zhanghuayaoji.com
Phone: +86 181-1890-2332
WhatsApp: +1(805)869-8509
Address: No. 8 Zhenshi Road, Shitangwan Industrial Park, Wuxi, Jiangsu, China
Main Image: cryogenic-vessel-embrittlement-tester-pmt1000.png - Alt: Pressure Equipment Safety Assessment Indentation Tester PMT-1000 assessing embrittlement of LNG tank
Detail Image 1: pmt1000-over-design-life.png - Alt: Pressure Equipment Safety Assessment Indentation Tester predicting remaining life from measured strength
Detail Image 2: pmt1000-fatigue-life.png - Alt: Pressure Equipment Safety Assessment Indentation Tester distinguishing fatigue softening from cyclic hardening
