KW-4 Digital Ultrasonic Flaw Detector

KW-4 digital ultrasonic flaw detector is a multi-channel ultrasonic detector using the latest digital  integration and artificial intelligence technology.The instrument is easy to operate and has powerful functions.It integrates three detection systems for passenger car axles,passenger wheel rims,and truck axles,which can meet the needs of different customers in the railway system.

OEM Service
Customization
Model
KW-4

Functional features

  • Full touch information input,using high brightness TFT true color touch display
  • Eight flaw detection channels can be switched freely,and the corresponding flaw detection process files can be automatically loaded at the same time.
  • The instrument has built-in various axle type flaw detection process
  • Can preview and print railway system standard report
  • Inspection of passenger car axles,passenger wheel rims,and truck axles,one machine equipped with three systems,without mutual interference

Technical parameters

Transmit parameter
Pulse type Negative square wave pulse Pulse front <10 ns
Transmitting pulse voltage 300V~500V Impedance matching 100Ω 、500Ω
Pulse width 30ns-1000ns continuously adjustable(adjustment step 10ns)
Receiving parameters
Sampling frequency/bits 100MHz/10bits Attenuator accuracy <±1dB/12dB Dynamic range ≥30dB
Sampling depth 512 Repetition frequency 30Hz-2KHz Vertical linearity error ≤3%
Signal bandwidth 0.5MHz-15MHz Sound speed range (1000-9999)m/s Horizontal linearity error ≤0.1%
Gain range 120dB/0.1dB、1dB、2dB、6dB(Fully automatic adjustment)
Scan range Zero interface incidence -9999mm steel longitudinal wave
Comprehensive performance
Resolution ≥30dB Detection waveform Full detection,positive detection,negative detection,RF
Surplus sensitivity ≥60dB(φ2×200mm) Operation mode Single crystal flaw detection,double crystal flaw detection
Instrument parameters
Instrument size 260x185x75(mm) Display resolution 800×600 Display size 8.4"
Instrument weight 2.89kg(with  battery) Power supply/battery DC(DC15V/6A) Battery 11.1V/13600mAh
Ambient temperature (20-95)%RH Interface USB2.0,VGA,LAN    
Battery life Work continuously for more than 9 hours(powered by lithium battery)

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