Pre-amplification: -20dB (1/10), -14 dB (1/5), -6 dB (1/2), 0dB (1), 6dB (2), 14dB (5), 20dB (10), 26dB (20), 34dB (50), 40dB (100), 46dB (200), 54dB (500), 60dB (1000), 66dB (2000), 74dB (5000), 80dB (10000), Program-Controlled Adjustment
Probe Specifications
Parameter\Model | ST-1A (Single-Transmit and Double-Receive Type) | ST-2 (Cross-Hole Type) | ST-3 (Wall-Adherent Type) |
Maximum Outside Diameter (mm) | 32, 45 | 34 (can be made as per customer requirement) | 44, 56 |
Dominant Frequency (Hz) | 35K, 25K | 35K | 61K/52K |
Spacing for 2-channel receiver tube (mm) | 200 | ||
Spacing for transmitting and 1-channel receiver tube (mm) | 300 | ||
Cable Length (mm) | 30, 50, 60, 100, | 30, 50, 60, 100 | Lithology recognition |
Application | Detect the rock mass surface layer, water layer, levee surfacefaultage and rock mass crack developmental conditions. | Detection of concrete for pile driver, etc. | Used for quality inspection of core and various materials |
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