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-4C Digital ultrasonic flaw detector

The KW-4C digital ultrasonic flaw detector has passed the technical quality approval of the China Academy of Railway Sciences, and has built-in various types of locomotive and rolling stock detection technology;

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  • Products Description
  • Performance Feature
  • Technical Parameters
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The KW-4C digital ultrasonic flaw detector has passed the technical quality approval of the China Academy of Railway Sciences, and has built-in various types of locomotive and rolling stock detection technology; it can provide A/B scanning mode, one machine for multiple purposes; it can connect to the Internet through Wifi to achieve "flaw detection cloud detection" ; Resistive touch screen, oil-proof and waterproof, touch sensitive; GSM positioning, real-time remote positioning through mobile phone APP; software customization, upgrades are more efficient.

→ It can be connected to the Internet via Wifi to realize "Cloud flaw detection"

Resistive touch screen, oil-proof and waterproof, touch sensitive

→ Full-digital, true-color display, leading domestic application technology

→ Integrating two functions of ultrasonic testing and thickness measurement in one machine

→ Automatically calibrate the probe zero-point and test the oblique probe K-value (refraction angle)

→ Longitudinal crack height measurement function

→ With true color B-scan function. Can perform online and offline atlas analysis and measure the size of defects (suitable for some models)

Transmit parameters

The Form of PulseNegative square wave pulse
Transmitting Pulse Voltage200V - 400V
Pulse Leading edge<10 ns
Pulse Width30ns-1000ns continuously adjustable (adjustable step 5ns)
Impedance Matching200Ω 、500Ω


Receive Parameters

Sampling Frequency / Bits400MHz/10bits
Sampling Depth512
Signal Bandwidth1MHz-15MHz
Repeatition Frequency15Hz-1kHz
Attenuator Accuracy<+1dB/12dB
Gain Range120dB
Scanning RangeZero interface incidence -12000mm steel longitudinal wave
Sound Speed Velocity Range(300 - 20000) m/s
Dynamic Range≥36dB
Vertical Linearity Error≤ 3%
Horizontal Linearity Error≤ 0.1%


Comprehensive Performance

Resolution≥36dB
Surplus sensitivity≥65dB(Φ2×200mm)
Detection MethodFull detection, positive detection, negative detection, RF
Working MethodSingle-crystal flaw detection, dual-crystal flaw detection


Instrument parameters

Instrument Size266×164×48 (mm)
Instrument Weight1.25Kg (including battery)
Screen Size5.7"
Screen Resolution640×480
Power Supply,BatteryDC (DC12V/3.34A)
Battery 7.4V/10000mAh
Battery LifeWork continuously for more than 8 hours (powered by lithium battery)
InterfaceWIFI, USB2.0, VGA
Ambient Temperature(-10-40)℃ (Reference value)
Relation humidity(20-95) %RH


Application

Transverse wave flaw detection, longitudinal wave thickness measurement

None

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