{"product_id":"gr681-ultrasonic-flaw-detector-ndt-digital-flaw-meter-industrial-workpiece-inside-flaw-checker-0-to-15000mm-with-dac-avg-aws","title":"Graigar GR681 Ultrasonic Flaw Detector NDT Digital Flaw Meter Industrial Workpiece Inside Flaw Checker 0 to 15000mm with DAC\/AVG AWS","description":"\u003cp\u003e\u003cspan\u003eThis instrument is a portable industrial digital ultrasonic flaw detector that can detect, locate, evaluate and diagnose various defects (cracks, inclusions, pores, etc.) in the workpiece quickly, conveniently, without damage, and accurately. It can be used both in the laboratory and on the engineering site. This instrument can be widely used in manufacturing, iron and steel metallurgy, metal processing, chemical industry and other fields that require defect detection and quality control. It is also widely used in online safety inspection and Life assessment in the fields of aerospace, railway transportation, boilers and pressure vessels, etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe instrument can be widely used in locating and sizing hidden cracks, voids, disbands, and similar discontinuities in welds, forgings, billets, axles, shafts, tanks and pressure vessels, turbines, and structural components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures of the Instrument\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe core hardware is designed with ARM+FPGA, and the software uses a highly reliable multitasking operating system, which greatly improves the function, portability, durability and reliability of the instrument.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis instrument uses a master-slave menu, and is designed with shortcut keys and a digital rotary knob.The instrument is light and portable, and can be held with one hand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal Structure:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDisplay Interface:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDisplay\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaster-slave menu, wizard-style operation, with shortcut keys and a digital dial for convenient operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUtilizes IPS (In-Plane Switching) full digital LCD display, significantly enhancing color and response speed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWide viewing angle; minimal color and detail changes even when viewed from the side.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e60 Hz fast display update. Able to display subtle waveform changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eResolution of 640X480, providing more delicate and user-friendly interface and waveform display.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-brightness display usable in strong light conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4 operating interface styles can be selected according to the environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe LCD brightness can be set freely.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShape\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eErgonomic design, waterproof and oil-proof.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEquipped with two types of stands, rotating damping and keyboard, suitable for indoor and outdoor use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe rubber protective cover provides a delicate touch and convenient use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-transparency glass panel, extremely hard, wear-resistant and scratch-resistant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eScreenshot and PDF flaw detection report\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReal-time screenshots of all pages and flaw detection reports, and save them as BMP pictures to U disk, which can be set as color or grayscale pictures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExport the flaw detection report as a PDF file and save it to a U disk for easy archiving and printing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAll contents of the PDF file can be customized according to user needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBMP pictures and PDF files can be viewed on a computer or mobile phone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRange\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUp to 9999 mm in steel; range selectable in fixed steps or continuously variable. Suitable for use on large work pieces and in high-resolution measurements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulse Energy selectable among 100V,200V, 250V,300V,350V, 400V and 500V.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulse Width tunable from 0.1µs to 0.5 µs to match the probes with different frequency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulse Repetition Frequency adjustable from 20 Hz to 2 KHz.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDamping selectable among 50Ω,150Ω,300Ω and 400Ω for optimum probe performance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProbe selection: single crystal probe, dual crystal probe, special angle probe, penetrating probe, climbing probe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReceiver\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSampling:16 digit AD Converter at the sampling speed of 320 MHz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRectification:Positive Halfwave, Negative Halfwave, Fullwave and RF\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAnalog Bandwidth: 0.2MHz to 20MHz capability with selectable frequency ranges (automatically set by the instrument) to match probe for optimum performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGain:0 dB to 110 dB adjustable in selectable steps 0.1 dB, 2 dB, 6 dB.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGates\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTwo fully independent gates offer a range of measurement options for signal height or distance using peak triggering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe echo-to-echo mode allows accurate gate positioning for signals which are extremely close together.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGate Start: Variable over entire displayed range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGate Width: Variable from Gate Start to end of displayed range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGate Height: Variable from 0 to 99% Full Screen Height\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlarms: Threshold positive\/negative with LED Flash.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMemory\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe instrument has a built-in large-capacity memory, and data and files will not be lost due to power failure of the instrument.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMemory of 500 channel files to store calibration setups and probe parameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMemory of 1000 wave report files to store A-Scan wave and settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAll the files can be stored, recalled and cleared.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe channel settings and report files can be exported via U disk, and the information can also be stored in unlimited amounts via USB memory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVideo Recorder\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVideo Recorder is useful in many situations, it is very convenient for those who want to analyze the probing activities later.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe instrument can record the test process and save it as a video file, which can be played back through the instrument or special software. It supports up to 10 video files, and each video file can be up to 5 minutes long.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you choose to save the video file to the U disk, the number and duration of the video file will not be limited.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRecording and replaying the testing process provides great convenience for future study and analysis of flaw detection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVideo playback supports pause, fast forward, fast rewind, and stop functions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003cstrong\u003eFunctions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlaw detection standard: Built-in common flaw detection standards, direct call, convenient and fast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAuto calibration: Automated calibration of probe zero offset, probe angle (K value) and material velocity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlaw Locating:Live display Sound-path, Projection (surface distance), Depth, Amplitude,\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFlaw sizing: Automatic flaw sizing using AVG or DAC, speeds reporting of defect acceptance or rejection.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDigital Readout and Trig. Function: Thickness\/Depth can be displayed in digital readout when using a normal probe and Surface Distance and Depth are directly displayed when angle probe is in use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDAC\/AVG:The curve is automatically generated, and the sampling points can be compensated and corrected. The curve automatically floats with the gain, automatically expands with the detection distance, and automatically moves with the delay time. It can display the AVG curve of any aperture.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAWS D1.1. Choosing this standard can reduce manual calculations and improve detection efficiency.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCurved Surface Correction feature.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrack Height Measure function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGate Magnify :spreading of the gate range over the entire screen width.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVideo Recording and playback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAuto-gain function\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEnvelope: Simultaneous display of live A-scan at 60 Hz update rate and envelope of A-scan display\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePeak Hold: Compare frozen peak waveforms to live A-Scans to easily interpret test results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePeak mark: capture and mark the peak in real time\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEcho coding: display 1~9 echo display area in different colors, used to analyze the defect position.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA Scan Freeze:Display freeze holds waveform and test distance data.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eB Scan display feature. Intuitively display the defect shape of the workpiece and the detection result is more intuitive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReal Time Clock\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe instrument clock keeps running tracking the time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTwo High speed USB2.0 port. Two USB modes can be selected: U-DISK and U-BRIDGE. In U-DISK mode, channel Configuration files, flaw report files, screenshot pictures  and recorded movies can be saved to U-DISK. In U-BRIDGE mode, the instrument exchanges data with DataPro Software.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBattery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt-in large-capacity and high-performance lithium-ion battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe continuous working time more than 12 hours.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4-6 hours typical recharge time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKnob\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOperating adjustments are easily and quickly made using the rotary knob.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003esoftware upgrade\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe software can be easily upgraded through U-DISK. The upgrade will not cause damage to the machine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring Range: 0 to 15000 mm, at steel velocity\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaterial Velocity: 100 to 20000m\/s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGain: 110 dB max in selectable resolution 0.1, 1.0, 2.0, 6.0 dB.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSystem Linearity: Horizontal: +\/-0.1% FSW,\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVertical: 1.5% FSH, Amplifier Accuracy +\/-1 dB.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSensitivity Leavings: more 50dB(Deep 200mmDiameter2 flat-bottomed hole)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDynamic range: more 36dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBandwidth (amplifier bandpass ): 0.2 to 20 MHz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulse Displacement: more 32dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eResolving Power: more 42dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNoise: less than10%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDisplay Delay: -20 to 3400 µs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProbe Delay\/Zero Offset : 0 to 99.99µs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTest Modes: Pulse echo, dual element and thru-transmission\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulser: Tunable Wave Pulser\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulse Repetition Frequency ranges from 20 Hz to 2000 Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePulse Energy: 100V, 200V, 250V, 300V, 500V selectable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGate Monitors: Two independent gates controllable over entire sweep range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRectification: Positive half wave, negative half wave, full wave, RF\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReject (suppression): 0 to 80% full screen height\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnits: Inch or millimeter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTransducer Connections: BNC or LEMO\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower Requirements: AC Mains 100-240 VAC, 50-60 Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOperating Temperature: -10℃ to 50℃\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStorage Temperature: -30℃ to 50℃\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBase Instrument Package\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003ePortable Ultrasonic Flaw Detector with multi-color TFT LCD Display\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStraight Beam Transducer (2 MHz or 4 MHz, Φ10)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAngle Beam Transducer (2 MHz or 4 MHz, 8 mm×9 mm, 60°)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInterconnect Cable for the transducer (BNC-BNC)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower supply\/charger unit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOperating Manual in English\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eYing\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":46119775895622,"sku":null,"price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/GR681_15.png?v=1786329222","url":"https:\/\/www.graigartech.com\/pt\/products\/gr681-ultrasonic-flaw-detector-ndt-digital-flaw-meter-industrial-workpiece-inside-flaw-checker-0-to-15000mm-with-dac-avg-aws","provider":"Shenzhen Graigar Technology Co.,Ltd.","version":"1.0","type":"link"}