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Shenzhen Graigar Technology Co., Limited
Verified By : SMR
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MITECH MFD620C Ultrasonic Flaw Detector

  • MITECH MFD620C Ultrasonic Flaw Detector
  • MITECH MFD620C Ultrasonic Flaw Detector
  • MITECH MFD620C Ultrasonic Flaw Detector
  • MITECH MFD620C Ultrasonic Flaw Detector
  • MITECH MFD620C Ultrasonic Flaw Detector
Model No.︰MFD620C
Brand Name︰MITECH
Country of Origin︰China
Unit Price︰US $ 3300 / pc
Minimum Order︰1 pc
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Product Description



The MFD620C is an advanced digital ultrasonic flaw detector featuring a multi-color TFT LCD and a host of new features to meet challenging inspection requirements. It combines powerful flaw detection and measurement capabilities, extensive data storage, and the ability to transfer detailed inspection data to the PC via its high-speed USB port.

The instrument incorporates many advanced signal processing features including a 15MHz RF bandwidth to permit testing of thin materials, narrowband filters to improve signal to noise in high gain applications, a spike pulser for applications requiring higher frequencies, and a tunable square wave pulser to optimize penetration on thick or highly attenuating materials.

The 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.

Features of the Instrument

The instrument extends the performance and range of applications that are capable of being satisfied by a portable instrument. The quality, portability, durability, and dependability that you have come to expect from the popular Mitech MFD Series of instruments remain.


Hi-resolution multi-color TFT LCD with 4 user-selectable brightness control provides high contrast viewing of the waveform from bright, direct sunlight to complete darkness.

The hi-resolution multi-color TFT LCD display with fast 60 Hz update gives an “analog look” to the waveform providing detailed information that is critical in many applications including nuclear power plant inspections.


Up to 6000 mm in steel; range selectable in fixed steps or continuously variable. Suitable for use on large work pieces and in high-resolution measurements.


Pulse Energy selectable among 200V, 300V, 400V, 500V and 600V..

Pulse Width tunable from 0.1µs to 0.5 µs to match the probes with different frequency.

Pulse Repetition Frequency adjustable from 10 Hz to 1 KHz in 1 Hz increments.

Damping selectable among 68Ω,100Ω,150Ω and 500Ω for optimum probe performance

Test Modes include Pulse echo, dual and thru-transmission


Sampling:10 digit AD Converter at the sampling speed of 160 MHz

Rectification:Positive Halfwave, Negative Halfwave, Fullwave and RF

Analog Bandwidth: 0.5MHz to 15MHz capability with selectable frequency ranges (automatically set by the instrument) to match probe for optimum performance.

Gain:0 dB to 110 dB adjustable in selectable steps 0.1 dB, 1.0dB, 2 dB, 6 dB, and locked.


Two fully independent gates offer a range of measurement options for signal height or distance using peak triggering.

The echo-to-echo mode allows accurate gate positioning for signals which are extremely close together.

Gate Start: Variable over entire displayed range

Gate Width: Variable from Gate Start to end of displayed range

Gate Height: Variable from 0 to 99% Full Screen Height

Alarms: Threshold positive/negative


Memory of 1000 channel files to store calibration set-ups

Memory of 10000 wave files to store A-Scan patterns and instrument settings.

All the files can be stored, recalled and cleared.

Video Recorder

Screen scenes can be captured as movie files. As long as 2 hours movie can be saved to the inside memory. It can be re-played using the instrument or the PC software delivered with the instrument.

Video Recorder is useful in many situations, it is very convenient for those who want to analyze the probing activities later.


High speed USB2.0 port. Two USB modes can be selected: U-DISK and U-BRIDGE. In U-DISK mode, the instrument acts as a USB flash disk when connected to PC. Configuration files, saved pictures and recorded movies can be copied to PC when possible. In U-BRIDGE mode, the instrument exchanges data with DataPro Software. The optional DataPro software helps manage and format stored inspection data for high-speed transfer to the PC. Data can be printed or easily copied and pasted into word processing files and spreadsheets for further reporting needs. New features include live screen capture mode and database tracking.



Internal rechargeable Li-ion battery pack rated 7.2V at 8800 mAh

10 hours nominal operating time depending on display brightness

8-10 hours typical recharge time


Operating adjustments are easily and quickly made using the rotary knob.


l Range:0 to 6000 mm, at steel velocity

l Material Velocity: 1000 to 15000m/s

l Display Delay: -20 to 3400 µs

l Probe Delay/Zero Offset : 0 to 99.99µs

l Sensitivity: 110 dB max in selectable resolution 0.1, 1.0, 2.0, 6.0 dB and locked.

l Test Modes: Pulse echo, dual element and thru-transmission

l Pulser: Tunable Square Wave Pulser

l Pulse Repetition Frequency ranges from 10 Hz to 1000 Hz

l Pulse Energy: 200V, 300V, 400V, 500V, 600V selectable

l Bandwidth (amplifier bandpass ): 0.5 to 15 MHz

l Gate Monitors: Two independent gates controllable over entire sweep range

l Rectification: Positive half wave, negative half wave, full wave, RF

l System Linearity: Horizontal: +/-0.2% FSW, Vertical: 0.25% FSH, Amplifier Accuracy +/-1 dB.

l Reject (suppression): 0 to 80% full screen height

l Units: Inch or millimeter

l Transducer Connections: BNC or LEMO

l Power Requirements: AC Mains 100-240 VAC, 50-60 Hz

l Operating Temperature: -10°C to 50°C

l Storage Temperature: -30°C to 50°C


Standard Configuration





Portable Ultrasonic Flaw Detector with multi-color TFT LCD Display



Straight Beam Transducer (4 MHz, Φ10)



Angle Beam Transducer (4 MHz, 8 mm×9 mm, 60°)



Interconnect Cable for the transducer (BNC-Lemo00,or optional Lemo01- Lemo00)



Rechargeable Li-Ion Battery Package, 8.8 amp hour



Power supply/charger unit






Operating Manual in English



Datapro Software



USB Cable (Model: MUSB01)


Payment Terms︰TT/LC/WU/PAYPAL
Product Image

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