Welding Residual Stress Tester PMT-1000 Portable Nondestructive Indentation Method

Name: "Welding Residual Stress Tester PMT-1000 Portable Nondestructive Indentation Method"
Rating: 5 (327 reviews)

SKU: 9387433005

Model: PMT-1000

Wuxi Zhanghua Pharm & Chem Equipment Co., Ltd.

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Product Details

Welding Residual Stress Tester PMT-1000 Portable Nondestructive Indentation Method

Measure welding residual stress on-site without compromising weld integrity.

The PMT-1000 employs the indentation method to evaluate welding residual stress in steel structures. Its handheld design enables quick and accurate measurements in the field, leaving only micron-scale indentations that do not affect weld performance.

It distinguishes tensile and compressive stress states, providing essential data for weld quality assessment and structural safety.

Key Features

Weld integrity preserved – indentation depth of only 60–120 µm leaves negligible marks that can be easily removed.
Field-engineering accuracy – distinguishes between tensile and compressive stress precisely.
Portable handheld design – permits rapid on-site assessment of bridges, pressure vessels, and other welded structures.
High data acquisition rate – 100 Hz sampling captures stress variations reliably.
Broad material compatibility – works on cemented carbide, stainless steel, and aluminum alloy welds.
Non-destructive workflow – no disassembly required; obtain stress distribution data directly.

Technical Specifications

Parameter	Value
Model	PMT-1000
Maximum load	1000 N
Actuation range	25 mm
Loading speed	0.01–30 mm/min
Data acquisition rate	100 Hz
Motor voltage	2.1 V
Motor current	3 A
Power supply	220 V / 24 V
Testing range	Macro-scale
Indentation depth	60–120 µm

Materials and Structure

The device features a cemented carbide indenter, stainless steel components, and an aluminum alloy housing, ensuring robustness for demanding welding inspection environments.

Applications

Weld quality testing in steel structures
Residual stress measurement on pressure vessels and pipelines
Periodic inspection of in-service equipment
Safety assessment of bridges and cranes

Case Study

Special inspection institute (China): The institute used the PMT-1000 to test special equipment and achieved stable operation, with results delivered in minutes, demonstrating its efficiency and accuracy.

FAQ

Q: Can the PMT-1000 be used on live structures without shutdown?

Yes, its portable and non-destructive design allows testing on in-service equipment without compromising performance.

Q: How does it differentiate between tensile and compressive stress?

The indentation method provides signed stress values, allowing clear distinction between tensile and compressive states.

Q: Does it require surface preparation?

Light surface cleaning is recommended for accurate readings, and any indentations can be easily removed afterward.

Q: What is the typical testing time for a weld?

Each measurement takes only minutes, as highlighted in case studies, enabling efficient multi-point testing.

Q: What is the maximum indentation load?

The maximum load is 1000 N, which is sufficient for most metal structures.

Q: Is training required to operate?

Basic operational training is recommended; the device is designed for field use with intuitive controls.

Inquiry Information

For technical consultations and purchasing details, reach us at:

Email: vincent_zhang@zhanghuayaoji.com | Phone: +86 181-1890-2332