YG-U8 series ultrasonic metal detector is a portable, fully digital ultrasonic metal detector, capable of quickly, easily, no damage, precisely defects, diagnose, evaluating a variety of flaws (cracks, inclusions, porosity, etc.)location, and the instrument is suitable for laboratory as well as industry field. the instrument can be widely used for flaw detection and quality control in the fields of manufacturing, iron and steel metallurgy, metal processing industry, chemical industry, and for safety inspection and life assessment in the field of aerospace areas, railway transportation, boiler and pressure vessel. 

Functions and Features

YG-U8 series series digital ultrasonic flaw detector extends the performance and applications of portable instruments. Being equipped with a high-resolution color LCD display-a fast refresh rate of over 60 Hz, this instrument can simulate real time detailed waveform of measure system.

1. Maximum sampling rate is up to 640 MHz
2. Measurement resolution 0.1 mm
3. Minimum range 2mm.
4. Operating frequency: 0.5MHz - 20MHz
5. Sensitivity margin is up to 62dB
6. Better signal to noise ratio.
7. High brightness, high-resolution (800x480) color TFT LCD display
8. High-performance pulse square wave generator with adjustable options, and the probe to achieve  the best match (non-inductive coil probe can be achieved excellent incentive)
9. High attenuation material either detect or thin object can bring optimal performance.
10. Small size, light weight, battery, can work for more than eight hours.
11. with LAN network interface, remote instrument control and data transmission. When the instrument  as  a square wave transmitter that provides control of the instrument parameters.
12. Two-dimensional incremental encoder interface for accurate position detection imaging (B, TOFD  sweep).
13. Simultaneous analog RF waveform output, output impedance 50Ω, can be used as source data  acquisition and probe tests.
14. High-speed USB interface to an external U disk data storage and dump.
15. Built-in charging function; battery and DC power supply automatically detects the display; charging, automatic switching power supply, charging temperature dual protection.
16. A variety of software features, covering all aspects of testing; unique originality universal knob to adjust the way to make testing more easily worry; humanized menu design, Chinese and English language menus
17. Automatic test probe frequency, automatically optimizing the width of the square wave, with the  probe and optimal instrument.
18. Images of the thickness of the alarm function, waveform storage function and a variety of  continuous waveform measurement mode.
19. Fixed index measuring instruments function and waveform envelope function to achieve the peak memory.

Performance 
1.  Transmitted pulse:Square wave
2.  Emitter voltage: 25V - 400V continuously adjustable, stepping 25V
3.  Continuously adjustable width 30ns - 1000ns
4.  Continuously adjustable width 30ns - 1000ns,stepping 5ns.
5.  under 400Ω / 200V,both edges are less than 10ns
6.  Automatic optimization for high-frequency excitation pulse.
7.  Work:Single, double, penetration
8.  Launch damping: 400,100Ω.
9. Operating frequency: 0.5 - 20MHz, points broadband, narrowband two tranches.
10.  Gain Range: 0.0 - 110.0dB. Stepping value: 0.1,1.0,2.0,6.0dB. 0.1dB gear acceleration provides intelligent  regulation.
11.  Velocity range: 1000-15000 m / s. Continuously adjustable in steps of 1,10,100m / s. Built-in 8 velocity  values commonly used materials.
12.  Detection range: 2.0- 10000mm (longitudinal wave in steel). Continuously adjustable, step value   0.1,1,10,100mm.
13.  Detection methods: the positive half wave, negative half wave, full-wave, RF.
14.  Alarm: two-way real-time hardware-driven alarm signal Optional: gate alarm (into the wave, wave loss), the thickness of the alarm, DAC curve Alarm, AVG curve alarm, the alarm signal optional buzzer (sound), light-emitting diode (light ).
15.  Display: 7-inch high-resolution TFT color LCD screen, big screen, dot-matrix 800 × 480.
16.  Pulse shift: -45 - 9999mm.
17.  Probe zero value: 0 - 999.99μs.
18.  Pulse repetition frequency: 25 - 1000Hz, automatic or manual adjustment mode.
19.  Vertical linearity error: ≤3%
20.  Level linearity error: ≤0.3%.
21.  Sensitivity margin:> 62dB (200Φ2 flat bottom hole)
22.  Resolution:> 36dB.
23.  Dynamic Range: ≥32 dB.
24.  Rejection: (0-99)%, does not affect the linearity and gain.
25.  RF output impedance: 50Ω.
26.  Electrical noise level: <10%.
27.  Interface: C6 probe interface, USB interface, Two-dimensional rotary encoder interface
28.  Power: two power supply: high-capacity lithium battery, no memory effect, continuous work more than eight hours; 220V AC (with adapter).
29.  Ambient temperature: -30  -  +50  D
30.  Relative humidity: (20-95)% RH.
31.  Weight: 1.4 kg (including battery)
32.  Size:270×180×60 mm

Model	YG-UD80	YG-UD81	YG-UD82	YG-UD83	YG-UD84
Imaging	√	√	√	√	√
Pulse amplitude	Adjustable	Adjustable	Adjustable	Adjustable	Adjustable
Pulse width	Adjustable	Adjustable	Adjustable	Adjustable	Adjustable
Measuring range	0-8000	0-10000	0-10000	0-10000	0-10000
Frequency	0.5-20MHz	0.5-20MHz	0.4-20MHz	0.2-20MHz	0.2-20MHz
Display	LED	LED	LED	LED	LED
DAC	√	√	√	√	√
AVG	√	√	√	√	√
Standard	General	General	General	General	General
Alarm	√	√	√	√	√
Curve Capture	√	√	√	√	√
Channel	50	100	150	200	300
Oscillogram	3000	3500	3800	5000	10000
Video Record	Thorough	Thorough	Thorough	Thorough	Thorough
Calibration	√	√	√	√	√
Noise restraint	√	√	√	√	√
Crest memory	√	√	√	√	√
Echo envelope	√	√	√	√	√
B scan	√	√	√	√	√
Automatic gain	√	√	√	√	√
Echo code	nil	nil	√	√	√
Aperture calculation	√	√	√	√	√
Depth calculation	nil	nil	√	√	√
Surface modification	√	√	√	√	√
Analyzer	√	√	√	√	√
Battery module	1	1	1	2	2