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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: DOPPLER
  • Model Number: Anyscan-20/26
  • Power: Electronic
  • Usage: flaw testing
  • Frequency: 1~18MHz
  • Detection range: 0.5~50000mm(steel LW)
  • Sound velocity range: 1000~15000m/s
  • Resoulution: 800X480
  • weight: 1.0Kg(including battery)
  • Color: yellow
  • Waterproof Level: IP54
  • Gain Adjustment: 0~110dB, step by 0.0/0.1/0.5/1.0/2.0/6.0dB
  • Working Mode: Single-probe or Dual-probe
  • Transmit Pulse: 400V negative spikes

Packaging & Delivery

Packaging Details Package suitcase see picture displayed
Delivery Time 4~6 weeks after confirm payment


ndt machine flaw detector
1. Excellent EMI design,good EMC performance
2.Simple key & menu setting
3.easy to access

Anyscan 20 DOPPLER Portable Digital Ultrasonic flaw detector Features:


 1. Automated display precise flaw location(Depth d,level p,distance s,amplitude,sz dB);  

 2.Automated switch three staff gauge ((Depth d,level  p,distance s);  

 3.Automated calibration of transducer Angles and material Velocity ;  

 4.Convenient to make and use DAC and AVG to evaluate the echo, the curve can be modified    and compensated   

 5.Automated gain and gain scan;   

 6.Peak Hold and Peak Memory;   

 7.Illustrated function for the weld inspect:Direct display of weld graphics,easy and clear to see the flaw position 

 8.AWS function:Meet the weld defects standard of AWS D1.1 

 9.Echo compare function 

 10.Noise immersion function

Parameters: A20  ultrasonic test equipment

Detection Range0.5~5000mm (steel longitudinal wave), continuously adjustable
Velocity1000~15000m/s, continuously adjustable, rough adjustment for quickly selecting common velocity
Display Delay-10~2000mm
Probe Delay0.00~199.9μs
Transmit Pulse400V negative spikes
Dampinghigh / low
Working ModeSingle-probe or Dual-probe
Operating Frequency Range1~8MHz (-6dB), consisting of 1~6MHz and 1~18MHz
PRF40/250/1000Hz optional
Gain Adjustment0~110dB, step by 0.0/0.1/0.5/1.0/2.0/6.0dB
Rectification ModeFull wave / Positive / Negative / RF
Alarm GateGate A / Gate B, adjustable as positive and negative logic and audible / visual alarm mode
Measurement Modeflank or peak
Horizontal Linearity Error≤0.1%
Vertical Linearity Error≤3%
Surplus Sensitivity≥60dB
Dynamic Range≥40dB
Far-field Resolution≥30dB
Sampling Ratehardware sampling rate is 400MHz
Store500 sets of data can be stored, of which 0 to 30 are for channel ID, 31 to 500 are for data ID
Replaycontinuously recording and replaying the dynamic echo
Surface Amendmentautomatic amendment of the flaw position for the angle probes
Auto Gain20%~80%, step by 5%
LanguageSimplified Chinese / English
Communication Interfacestwo interfaces: USB-A and USB-B
Display Screen5.0" high brightness TFT color LCD screen, 800×480 pixels
Operating Temperature-10~+50°C
BatteryLithium battery (11.1V 3900mAh), supplying power continuously for more than 6 hours
Power SupplyAC: 100-240V; DC: 15V/4A

Comparison table of Doppler portable digital Flaw detectors:

Comparison functionA20A26A30A31A36
Spike wave 
Square wave   
Weld graph illustration
Series storage 
Peak holding
Auto gain
Echo compare    
Noise immersion  
Hot key  
Shuttle key   


Pictures of Anyscan 20 DOPPLER Portable Digital Ultrasonic flaw detector 





Side view



Back view of  Digital Ultrasonic flaw detector ndt equipment 




Package of Anyscan 20 DOPPLER Portable Digital Ultrasonic flaw detector


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