Non destructive testing

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Ultrasonic testing • Wall thickness measuring device HELLISON-1 Tested materials: Black and nonferrous metals, hard plastics, glass, ceramics Effective range: 1-300 mm Definition: 0,1 mm Error: ± 0,5% Ultrasonic transducers: 2; 5: 10 МHz In-steel calibration Power Supply: 2,4 V, 2 from Accumulator Dimensions: 125х65х30 mm Weight: 200 g Delivery: ultrasonic thickness indicator, ultrasonic transducer 2 МHz, ultrasonic gel 250 ml, charging device. Article No. 311.000.100 • Wall thickness measuring device TM-8810 • Ultrasonic defectoscope INT-Bond-Tester Принцип действия Digital wall thickness measurement device TM-8810 - 4 digit LCD display - Announcement switchable mm / inch - Measureing range with standard S/E head 1.5 to appr. 200mm - Dissolutin 0,1mm - Optical coupling control - 11 preselectable base materials (sound speeds) - In the equipment housing integrated calibration plate - Battery operation 4 pieces of UM-3 (AA-cells) - Dimensions: 161 x 69 x 32mm - Weight including batteries appr. 300 g Scope of supply: -measuring instrument TM-8810 -S/E ultrasonic head with 3 Lemo plug connecters - Storage siutcase from imitation leather - Bottle of couple means (glyzer - Set of batterie Article No. 311.100.002 Ultrasonic resonance spectroscopy (URS) utilizes information in the frequency domain obtained due to the constructive and destructive interference of elastic waves for nondestructive evaluation of inspected objects. In a resonance test an ultrasonic tone-burst with sweeping frequency is applied to an ultrasonic transducer and a resonance spectrum of the inspected structure is acquired. The acquired spectrum contains information about the properties of materials used for the structure and flaws that may be present in it. Measurement setup: Narrowband ultrasonic spectroscopy can be used for the NDT of aerospace multi-layered structures. The INT- Bond-Tester used for this test operate on the principle of exciting a mechanical resonance in a multi-layered structure. A piezoelectric probe, excited by a swept frequency signal is coupled to the surface of the inspected structure using a coupling agent. The instrument acquires probe’s frequency spectrum in the range of some tens of kHz to several hundreds of kHz. A resonance in the layered structure occurs when echoes between two boundaries travel back and forth due to the difference in acoustic impedances at the boundaries. 32
Accessories • Calibration Blocks • Ultrasonic Transducers • Couplants for ultrasonic inspection Article No. 310.059.121 Article No. 310.059.270 Welding technology accessories Couplants for ultrasonic inspection • 200000 > 200000 Temperature range of use °C -5÷100 -30÷100 Article No. 810.080.006 Article No. 810.080.005 Filling high-quality steel master forms Article No. 810.080.004 Instrument for lightning caves with a mirror suit 33
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Page 43: HELLING GmbH • Spökerdamm 2 •

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