Ultrasonic Flaw Detector High Performance

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Digital Ultrasonic Flaw Detector KFD 90 Square wave pulser for tough-to-penetrate materials Square Wave Pulser selectable and tunable for optimum probe matching to satisfy a wide range of tough-to-penetrate applications. Now, either spike or “square wave pulser” is user selectable from the front panel. • Spike pulsers are still preferred for everyday use. • For low frequencies, square wave pulsers allow optimum probe matching by adjusting pulse width and voltage. • Difficult to penetrate metallic applications and especially non-metals inspection like composite materials are optimized. • Pulse width is tunable up to 1000 ns in 10 ns steps for optimum probe matching and versatility in meeting a wide range of application. • Pulser voltage is adjustable from 50 to 500V in 10V steps. Features Tools for easy defect sizing • 40 dB dynamic multiple curve DAC/TCG Option corrects for distance/amplitude variations from material loss and beam spread with ability to edit or insert recorded echoes individually. Up to ten DAC curves can be drawn on the screen at one time to show +/- dB curves in addition to the originally recorded DAC curve. Up to 16 data points can be recorded with a maximum curve slope of 12 dB per microsecond. Meets or exceed industry requirements for TCG. • DGS (Distance Gain Size) Option displays a curve for a particular equivalent reflector size as a function of the distance from the probe to the reflector. The ERS (Equivalent reflector size) function automatically calculates the corresponding equivalent reflector diameter in mm or inches for any echo in the measurement gate. User preferred features • Simple operation with fast rotary knob adjustments; gain is always directly accessible with the left-hand key and lockable. • Auto CAL makes calibration fast & easy • 7 selectable material velocities at the user’s fingertips. • 2 independent gates monitor amplitude and sound path distance for both flaw detection and thickness measurement applications. • 400 KHz to 25 MHz capability with 3 selectable frequency ranges to match probe for optimum performance. • RF display mode enhances signal evaluation and bond inspection of dissimilar materials. • 4 selectable damping settings (50, 75, 150, 500 ohms) for optimum probe performance. • 1mm to 10m range (in steel) covers thin to lengthy acoustically clean materials. • dB REF key evaluates subsequent echoes gain value and amplitude against the highest echo in Gate A (reference echo) when activated. Documentation and recording • Store & preview a minimum of 512 user-names data sets with A-Scans for quick recall and instrument setup. • Alphanumeric Thickness Data logger for flexible, convenient storage of thickness readings in Linear, Grid, or Custom-Linear file structures with user-input filenames, location I.D.’s, notes, header fields. Vibrant colors • Hi-resolution (640 x 480 pixels) Color LCD Display with unique signal processing produces “Analog Look and Performance” echo dynamics. • Select from four vibrant display color schemes to match lighting conditions and personal preference. • Choose from eight A-scan colors to relieve boredom & eye fatigue. • Adjust brightness for easy viewing under all lighting conditions. • Gates and gate functions are color coded for easy identification and fast adjustment. Tools for easy weld inspection • A-Scan dynamically changes the color for each leg of the “live” A-Scan. • Trigonometric flaw location function with curvature correction automatically calculates depth, surface distance, and sound path to flaw along with the leg of the inspection when using angle beam probes, All TOF measurements can be displayed in mm, inches. • Real time (single shot) TTL outputs handle a wide range of systems applications. • Choose from Four Freeze Modes: ALL, Peak Std, Compare or Envelope for optimum waveform evaluation and comparison. • Three Variable Persistence Modes are selectable in Freeze Envelope to visually assist flaw detection & evaluation for scanning and moving part inspections. • Compare frozen reference waveforms to live A-Scans in different colors to easily interpret test results. SPECIFICATIONS Range : 1mm to 10m at steel velocity, range selectable in fixed steps or continuously variable Material Velocity : Continuously adjustable from 1000 to 9999 m/s, 7 selectable material velocities Display Delay : -5 to 3400 μs in steel (dependent on range) Probe D elay/Zero Offset : 0 to 99.999 μs Damping : 50, 75, 150, 500 ohms Gain : 0.0 to 110.0 dB adjustable in selectable steps 0.2,0.5,1.0,2.0,6.0,12.0,user definable, and locked Test Modes : Pulse echo, dual, and thru-transmission Pulser : Square wave excitation pulse Pulse Voltage : (Square wave pulser mode) 50 to 500 V scrollable in 10 V adjustments Pulse Width : (Square wave pulser mode) Tunable from 50 to 1000 ns in 10 ns adjustments Pulse Energy (Spike mode) : Low, Medium, High Pulse Repetition Frequency : Automatically adjust from 25 to 1500 Hz Bandwidth : 0.4 to 25 MHz with 3 selectable settings including broadband Gate Monitors : Two independent flaw gates controllable over entire sweep range Measurement Modes : Zero-to-first, multi-echo with selectable flank or peak detection Rectification : Positive half-wave, negative half-wave, full-wave, RF Reject (suppression): 0 to 90% linear Units : Inch, millimeter Operating Temperature : 0℃ to 55℃ operating, -25℃ to 70℃ storable Languages : Selectable English, Chinese Probe Connectors : BNC or Lemo Keypad : International symbols Battery Life : 6 hours Size : 302mm×251mm×51mm Weight : 2.4kg with battery Warranty : Two years after purchase for main machine. Standard Delivery Main Machine KFD-90 Straight-beam probe Angle-beam probe 45° Probe Cable PC Software CD & Connecting Cable AC Adapter/Charger Soft Carry Case Carrying Case Operating manual

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K&M INSTRUMENTS LTD.

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