Digital Ultrasonic Flaw Detector

Parameter:
（1）launch/ receiving
launch voltage 200V/400V
pulse width 40～400ns
sampling frequency 100MHz（maximum）
pulse repetition frequency 60Hz～1.2KHz
impedance matching 50Ω/100Ω/200Ω/500Ω
Operating mode resumption of spontaneous stand-alone /Single solitary charge
/penetration
resolution ≥42dB（5N14）
Average electrical noise ≤12％
（2）Amplifier/detection
surplus sensitivity ≥64dB（200 mm deep, Φ 2 herein flat）
Gain 0～110dB；Step 0.1 dB / 2 dB / 6 dB can be chosen
frequency band（-3dB） Wide band 0.5～20MHz; band-pass 1～5MHz; 2～10MHz、5～20MHz
Amplifier precision ±1dB/12dB
Vertical linear error ≤3％
Automatic Gain 10％～90％
dynamic range ≥34dB
demodulation Detection / negative detection/ wave detection / radio frequency
（3）Time Base
Examination area 0～10m； 0.1, 1 and 10mm step automatic setup
Level linear error
≤0.1％
sound velocity 10～10000m/s，stepping 1m/s
zero drift（Probe head detention） 0～400.0us
show translation 0～1000.0mm；0.1, 1mm step automatic setup
　
（4）signal processing
signal curbing 0～90％；linear
Detecting gate（2） Starting point/width/height can be adjusted continuously
Gate signal in positive/negative trigger alarm
Output (sound and light alarm) control
The signal of points in the choice
Measure Mode Acoustic distance-horizontal distance depth real-time calculation show
TOF（flight time）Measuring real-time calculation show
Acoustic distance refraction dynamic display relationship
Static readings measurement
Optional location quantitative reference
　
（5）Curve
DAC/TCG curve Distance-volatility curve（DAC），2～10 reference points
3 Additional can be modified dB curve
Time-gain-compensation（TCG）curve
DGS curve distance-gain-size（DGS）curve，same to DAC
3 Additional Φ value curve can be modified
According to the defects Φ automatic calculation of signal size values
　
（6）Detection function
Channel parameters 50 set
Memory management 1000 of the echo signal
Peak memory Real-time retrieval, contrast color display peak
Show Frozen The freeze/reference freeze
Crack measurement Measuring crack reflection wave method to the height
Surface modification Curved surface flaw detection, automatic calculation of positioning fixed
envelope curve
Peak envelope records show
Digital knob Digital knob operation regulation
real-time clock Date/time tracking, standard clock
Peripheral Interface The USB interface, computer communication management support
　
（7）display
display Highlight true color TFT displays, 5.7inch
frequency NTSC system（60Hz）
Screen saver Work/screensavers control (electricity saving state）
　
（8）Structure/environment
battery lithium polymer battery，work hour ≥（6-10）
Host size/weight 210mmx165mmx50mm；1.8kg（in Battery）
ambient temperature -5℃～60℃
relative humidity 20～90％ RH