Wuhan Zhongke Innovation Technology Co., Ltd.

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Wuhan Zhongke Innovation Technology Co., Ltd. Wuhan Zhongke Innovation Technology Co., Ltd.

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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.

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  • Products Description
  • Performance Feature
  • Technical Parameters
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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 function. The three detection systems of passenger car axle, passenger wheel rim, and freight car axle integrated in the machine can meet the needs of different customers in the railway system.

→ Use touch screen to input information, 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 transferred at the same time

→ The instrument has built-in flaw detection process of each shaft type

→ 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

Transmit parameters

The Form of PulseNegative square wave pulse
Transmitting Pulse Voltage300V- 500V
Pulse Leading edge<10 ns
Pulse Width30ns-1000ns continuously adjustable (adjustable step 10ns)
Impedance Matching100Ω 、 500Ω


Receive Parameters

Sampling Frequency / Bits100MHz/10bits
Sampling Depth512
Signal Bandwidth0.5MHz -15MHz
Repeatition Frequency30Hz-2KHz
Attenuator Accuracy<±1dB/12dB
Gain Range120dB/0.1dB、1dB、2dB、6dB (Fully automatic adjustment)
Scanning RangeZero interface incidence - 9999mm steel longitudinal wave
Sound Speed Velocity Range(1000 - 9999) m/s
Dynamic Range≥30dB
Vertical Linearity Error≤ 3%
Horizontal Linearity Error≤ 0.1%


Comprehensive Performance

Resolution≥30dB
Surplus sensitivity≥60dB(Φ2×200mm)
Detection MethodFull detection, positive detection, negative detection, RF
Working MethodSingle-crystal flaw detection, dual-crystal flaw detection


Instrument parameters

Instrument Size260x185x75 (mm)
Instrument Weight2.89kg (including battery)
Screen Size8.4"
Screen Resolution800×600
Power Supply, BatteryDC (DC15V/6A)
Battery 11.1V/13600mAh
Battery LifeWork continuously for more than 9 hours (powered by lithium battery)
InterfaceUSB2.0, VGA, LAN
Ambient Temperature(-10-40)℃ (Reference value)
Relation humidity(20-95) % RH


Application

Used in automatic multi-channel detection of wheel hubs and axles of passenger cars and trucks, and automatic multi-channel detection of wheel rims

None

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