Auto Display Scan Flaw Detector for NDT Testing – GAOTek

Description Overview GAOTek Auto Display Scan Flaw Detector for NDT Testing is designed to quickly, accurately, and non-destructively detect internal defects such as cracks, inclusions, and blowholes in various materials. This device features an advanced auto search and display scan function, allowing for efficient inspections with minimal manual adjustments. It is equipped with a high-resolution true-color LCD display with adjustable brightness for clear visibility in different lighting conditions. Multiple detection modes, including positive wave, negative wave, full wave, and radio frequency detection, ensure versatility for a wide range of applications. Built with a robust design and high waveform fidelity, this product is ideal for industries such as aerospace, railway, construction, metallurgy, shipbuilding, chemical, and petroleum for quality control, safety monitoring, and life assessment.   Features Quickly detects cracks, inclusions, and blowholes Auto search and display scan for faster inspections True-color LCD with adjustable brightness for any lighting Multiple detection modes for various testing needs High waveform fidelity for accurate results USB 2.0 interface for fast data transfer Durable design for industrial and field environments Suitable for aerospace, railway, construction, and more   Technical Specifications Working Principle Ultrasonic Working Frequency 0.2 MHz to 20 MHz Pulse Width 30 ns to 1000 ns adjustable, step 0.1 ns Detection Range 0 in to 551.18 in (Steel longitudinal wave) Pulse Shift -1.77 in to 39.37 in (Steel longitudinal wave) Material Sound Velocity 984.25 ft/s to 49212.6 ft/s Detection Method Positive wave, negative wave, two-way wave, filter, RF wave Gain Adjustment 0 dB to 110 dB, step 0.1/1/2/6 Sluice Gate Incoming gate, loss gate; single or double gate reading DAC / AVG Function DAC curve, AVG curve Attenuator Error Every 12 dB ±1 dB Vertical Linearity Error ≤3% Horizontal Linearity Error ≤0.5% Dynamic Range ≥30 dB Sensitivity Margin ≥65 dB (2.5Z20N probe) Far Zone Resolution ≥26 dB Electrical Noise Level ≤10% (1 to 4 MHz) Equivalent Input Noise <80×10⁻⁹ V/√Hz Pulse Repetition Frequency 20 Hz to 1000 Hz, stepping 25 V Pulse Voltage 25 V to 400 V adjustable, step 25 V Thin Plate Resolution ≤0.12 in (5C10N probe) Working Voltage 12 V (Battery/DC) Storage Storage card Probe Damping 100 Ω, 200 Ω, 400 Ω optional Real-Time Sampling 10-bit AD converter, 160 MHz sampling Filter Band 0.2 MHz to 20 MHz, automatic matching Communication Interface USB 2.0 high-speed Operating Temperature 14 °F to 122 °F (-10 °C to 50 °C) Weight 15.43 lb (7 kg) Dimensions 7.09 in x 5.12 in x 1.57 in (180 mm x 130 mm x 40 mm)