Digital Portable Flaw Detector for Metal Welds and Cracks – GAOTek

Description Overview GAOTek Digital Portable Flaw Detector for Metal Welds and Cracks delivers a highly advanced solution for detecting internal cracks, voids, and discontinuities in metals such as steel, aluminum, copper, and iron. It features a hi-resolution multi-color TFT LCD with fast 60 Hz refresh for precise waveform visualization. This device supports a measuring range up to 6000 mm in steel and includes powerful signal processing capabilities such as 10 MHz RF bandwidth, narrowband filters, and tunable pulse options for accurate flaw detection on thick or attenuating materials. It offers dual independent gates for flexible measurement, real-time A-scan display, B-scan imaging, and automated flaw sizing. This product also includes extensive data storage, high-speed USB transfer, curved surface correction, and up to 8 hours of battery operation, making it ideal for field and high-resolution inspections.   Features Portable and lightweight design for field inspections Detection range up to 6000 mm in steel High-resolution 320×240 multi-color TFT LCD with 60 Hz update Dual independent gates for accurate signal measurement Pulse echo, dual element, and thru-transmission test modes Auto-gain function and envelope display for enhanced readings Curved surface correction and crack height measurement Real-time A-scan video recording and playback High-speed USB data transfer for easy report management Rechargeable Li-ion battery with up to 8 hours of operation   Technical Specifications Range 0 mm to 6000 mm (0 in to 236.22 in), at steel velocity Material Velocity 1000m/s to 9999 m/s Display Delay -20 µs to 3400 µs Probe Delay / Zero Offset 0 µs to 99.99 µs Sensitivity 110 dB max, selectable resolution 0.1, 1.0, 2.0, 6.0 dB and locked Test Modes Pulse echo, dual element, thru-transmission Pulse Repetition Frequency 10 Hz to 1000 Hz Pulse Energy Low, Medium, High spike pulse Damping 100 ohms, 200 ohms, 400 ohms Bandwidth (amplifier bandpass) 0.5 MHz to 10 MHz Gate Monitors Two independent gates controllable over entire sweep range Rectification Positive halfwave, negative halfwave, fullwave, RF System Linearity Horizontal: ±0.2% FSW, Vertical: 0.25% FSH Amplifier Accuracy ±1 dB Reject (Suppression) 0% to 80% full screen height Units Inch or millimeter Transducer Connections BNC or LEMO Power Requirements AC Mains 100 to 240 V, 50 to 60 Hz Operating Temperature -10 °C to 50 °C (14 °F to 122 °F) Storage Temperature -30 °C to 50 °C (-22 °F to 122 °F) Weight 2.2 lb (1.0 kg) Dimensions 10.4 in x 6.7 in x 2.4 in (263 mm x 170 mm x 61 mm)