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Non-destructive equipment for residual stress

Residual Stress Test AIS3000 (Advanced Indentation System

3000) is portable indentation system for non-destructive residual stress

evaluation. Residual stress in a material shifts the indentation load-

depth curve. The load-depth curve shifts to right or left side when tensile

or compressive residual stress is applied, respectively. The lower load is

needed to reach the same depth when the tensile residual stress is

applied, and the higher load when compressive residual stress

Therefore, AIS3000 can measure quantitative values for residual stress if

it know the relationship between the load gap and residual stress.

Residual Stress Test AIS3000 is made up of a main body and a laptop

with software. The AIS3000 can help users perform fast and easy tests

with wireless communication module between the laptop and main

body. And it is light and miniaturized for easy and fast transportation

and installation. Especially, changes in residual stress such as

weldment/HAZ/base metal and local material degradation can be

analyzed immediately by the superposition of the obtained curves.





Model AIS3000
Size (Weight) 180 x 180 x 430 mm (7 kg)
Maximum Load 300 kgf

5.6 gf / 0.1 um

Full Stroke 40 mm
Loading Rate 0.05 ~ 20 mm/min
Communication USB
Data Acquisition Rate 100/sec
Power (adapter) AC110~220V (free voltage)
Power (battery) Portable Battery (10 Hrs in a charge)
Analyzing Computer
Lap-top PC (w/SW)
Analyzing Computer
Rugged computer (Optional)
Indenter Spherical Indenter (WC), (Dia. 0.5 / 1.0 mm)
Vickers indenter
Attachment (Field) Multi curvature magnet system, Flat magnet system, Weight lightening Chain system, U-block (3~6 inch), V-block (3/4~4 inch), Extended dovetail slider
Attachment (Lab) X-Y axis stage
Plate / Clamping jig
  • Non-destructive Residual Stress evaluation
  • Highly mobile portable inspector (Embeded Interface device)
  • Safe load program
  • Vertical motion limit sensor
  • All-in-one multi-function system structure (Max load: 300kg)
  • High-accuracy displacement / load sensor
  • Lightweight portable battery for extra power supply
  • Adoptable to Temperature chamber tester(option: -165℃ ~ 650℃)


  • Residual stress software based on the theory of IIT (Instrumented Indentation Technique)
  • Possible to measure and analyze in real time by using a laptop
  • Possible to load All-in-one software (hardness, fracture toughness software)
  • Possible to perform all of things such as testing, analyzing , collecting DB and making a report with one software.
  • Improve accessibility of the novice user through minimizing of testing operations (Offer guideline for a testing process)
  • Possible to compare and analyze data in real time, after getting data tested by AIS3000
  • Embed functions such as auto-malfunctioning and error data check.
  • Possible to add analyzing module and customize software by user’s requests
Tensile Properties Option
Residual Stress Installed
Hardness Option