HS620 Digital Ultrasonic Flaw Detector



HS620 was selected as exam instrument of Chinese NDT engineer certificate exam

and National quality testing skills contest



-With large storage space, can continuously record testing data of whole test process

-Testing date can be transferred to U disc, for data management

-With high-speed USD interface

-With function of flaw detector and thickness gauge

-The background color and brightness are adjustable

-With high display resolution

-With high performance Lithium battery, we supply 2 batteries and 2 chargers for 1 instrument.

-With function of preset testing parameters for various probes

-Built-in 8G SD card




Hardware sampling frequency 10bit/200MHz
Pulse intensity 600V
Impedance matching 200Ω、500Ω
Probe mode single or dual transducer
Testing range 0mm~ 12000mm
Rectangle mode plus, minus, dual or RF wave
Frequency range (0.5-15/0.5-4/2-8) MHz
Attenuator accuracy <±1dB/12dB
Gain range 0dB~110dB(with 0.1dB、2dB、6dB steps,Automatically setting gain according to echo amplitude)
Sound velocity range (100~20000)m/s
Dynamic range >30dB
Vertical linear error ≤3%
Horizontal linear error ≤0.1%
Horizontal resolution >40dB
Surplus sensitivity >60dB
Rejection range 0%~80%
Temperature -10~40℃
Humidity 20%~95%
Power voltage 220VAC, 7.2VDC
Battery duration working 5hours,sleeping 6hours
Dimension 200mm×138mm×60mm
Weight 1.5Kg(battery include)


Zhongke Innovation Technology Co., Ltd.

is a professional manufacturer of NDT equipments with independent intellectual property rights. Zhongke has been working on R&D of Ultrasonic technology for over 30 years. Now Zhongke has different series of NDT products, such as Phased Array Detector, TOFD Detector, Conventional Ultrasonic Flaw Detector, EMAT Detector and Online Automatic Inspection Systems for Pipe, Tube, Plate, Bars, Vessel, Automobile Parts and etc. Zhongke also has committed to provide the customers with various kinds of all-round, efficient, steady, reliable ultrasonic solutions!


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