GAOTek Digital Crack Detector
This Digital Crack Detector has material sound velocity1 000 to 9999M, and Frequency range 0.4 to 10mhz (wide band) 133 10mhz (bandpass).
Description
Description
Overview
This Digital Crack Detector has material sound velocity1 000 to 9999M, and Frequency range 0.4 to 10mhz (wide band) 133 10mhz (bandpass).
Technical Specifications
| Material Sound Velocity | 1 000 M to 9999 M |
| Frequency Range | 0.4 to 10 MHz (wide band) 133 10 MHz (bandpass) |
| Gain Range | 01 to 10db (step. 1 dB, 1 dB) |
| Delay Range | 0 in to 236.22 in (0 mm to 6000mm) |
| K Value Range | 020 to 500 |
| Inhibition Range | 0 to 50% |
| Increment | 0 dB to 20 dB |
| Quantitative Line | -20 dB to 20 d8 |
| Scrap Line | -20 dB to 20 dB |
| Vertical Linearity | < 3% measured by technical inspection bureau 17% |
| Horizontall Linearity | < 0.3% measured by technical inspection bureau 0% |
| Transmitting Power Supply Votage | DC 200 V |
| Transmit Pulse Width | Pulse square wave. 050.6us adjustable (step o.01us) |
| Transmitting Pulse Intermal Resistance | Not more than 10 Q |
| Transmit Repetition Rate | 25”400Hz Sound path<150 μ S 400/200HzFAST/SLOW 150 μS 300 μ S 100/50HZ FAST/SLOW Sound path>600 μs 50/25Hz FAST/SLOW |
| Probe Damping Resistance | about 120 Qfixed |
| Amplifier Input | Gain0dB，100% About 50V peak at screen brightness Input noise is about 50 μ V peak bandwidth noise is about 16nv I Hz peak |
| Digital Sampling | 8bit rel-time 50 MHz, equivalent to 200 MHz (Hardware Implementation) |
| Display Mode | Detection +. detection -。full wave |
| Display Device | TFT industrial color LCD (320×240,5.7 inches), LED backlight |
| LCD Refresh Frequency | 50H2 |