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Stresstech OY-Testing and Measurement Equipment-Rollscan 250

Efficient Barkhausen Meter for routine quality inspections Rollscan 250 is an instrument for controlling the surface quality and testing of near-surface defects in a wide variety of ferritic steel and other ferromagnetic materials. Rollscan 250 easily detects defects related to changes of stresses or microstructure. These defects are commonly due to failed grinding, heat treatment, shot peening, or any other surface treatment process.




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  • AC power source/voltage 90–260 VAC, 49–61 Hz single phase

  • Maximum inrush current (at cold start) 40 A at 115 VAC, 80 A at 230 VAC

  • Power consumption (maximum when charging empty batteries) 150 VA

  • Normal power consumption max. 100 VA

  • Batteries optional

  • Number of channels (max.) 2 channels

  • Enclosure protection IP20

  • Operating humidity 10–90 %,non-condensing

  • Storage humidity 10–90 %,non-condensing

  • Operating temperature 0–40 °C

  • Operating altitude up to 3000 meters

  • Dimensions: width 370 mm, height 110 mm, depth 320 mm

  • Weight: without batteries 6.0kg, with batteries 8.5 kg

  • Applicable for ferritic steels, iron, nickel and cobalt

  • A sensor with pre-amplifier Analyzing frequency 70–200 kHz

  • Adjustable magnetizing power: 0–16 Vpp

  • Adjustable magnetizing frequency: 1–500 Hz

  • Magnetizing wave form sinusoidal or triangle

  • Two channel

  • Connectors: osc, rec, USB, RS-232, Ethernet, Trigger

  • LED bar; limit value, below which the signal is shown with red led light, can be adjusted freely

  • Aerospace
  • Automotive
  • Defense
  • Die & Mould
  • Education & Academics
  • Electronics
  • Machinery & Manufacturing
  • Medical
  • Mining & Minerals
  • Oil & Gas
  • Semiconductor, Solar & Electronics
  • Shipbuilding
  • Singapore
Stresstech OYStresstech Group has since 1983 from the foundation of American Stress Technologies, Inc. served metal industry all over the world with solutions and high-tech instruments for non-destructive testing of the quality of components. Many leading edge companies in automobile and aircraft industry have already chosen Stresstech Group as their partner in quality control.
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