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 |
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