Product Features:
Measure the dynamic Poisson's ratio, dynamic elastic modulus, dynamic rigidity modulus, dynamic shear modulus, dynamic Lamé coefficient, dynamic bulk modulus, weathering coefficient of rock masses, geological surveys using cross-hole and single-hole one-shot two-receive methods, geological crack detection, rock mass condition, and tunnel surrounding rock relaxation zone detection.
Based on Standards:
"Standard for Test Methods of Engineering Rock Mass" GB/T 50266-2013
"Engineering Rock Mass Classification Standard" GB/T50218—2014
"Procedure for Testing the Physical and Mechanical Properties of Rocks - Part 24: Rock Ultrasonic Velocity Measurement" DZ/T0276.24-2015 (Replaces DY-94)
"Code for Rock Testing in Hydroelectric and Irrigation Projects - SL/T264-2020"
"Code for Rock Testing in Hydropower and Water Conservancy Engineering - DL/T5368-2007"
Key Technical Specifications:
Host: Dedicated Microcomputer System
Sound Level Measurement Range: 0～640Kμs
Sound level measurement accuracy: ±0.05μs
Amplitude Reading Range: 0 ~ 177 dB
Enhanced Accuracy: 3%
Amplifier Bandwidth: 5Hz ~ 500kHz
Emission Voltage: adjustable in multiple steps of 250, 500, and 1000V
Sampling Cycle: 0.05, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4μs adjustable
Operation Method: Button + Optical Dial
Trigger Methods: Signal Trigger, External Trigger
Planar Sandwich Type Transducer: Standard 200kHz
Optional 50 kHz, 100 kHz
Transverse Wave Transducer: Standard 85kHz
Optional 130 kHz
Optional: Pressure Transducer - 45 kHz, 75 meters
Single-hole, one-transmit two-receive transducer (optional): 100 meters
Receiving Sensitivity: ≤10 μv
Signal Acquisition Methods: Continuous Signal, Transient Signal
Channel Count: Dual Channel
Channel Isolation: Not less than 42 dB
Maximum Penetration Distance: 10m
Monitor: 640×480
Universal Interface: Parallel Port, USB Port
Power Supply: 1. Built-in lithium battery for continuous operation up to 6 hours.
2. AC: 220V ±10%; DC: 12V (Dual Voltage AC/DC).
3. External high-capacity battery, capable of continuous operation for 8-10 hours.
Operating Temperature: -10℃ to +50℃
Operating Humidity: ≤ 90%RH
Overall Weight: 1.7 kg
Overall Dimensions: 250mm x 200mm x 100mm
Instrument composition:
Including: Main Unit, Flat Sandwich-Type Transducer, Shear Wave Transducer, Instruction Manual, Software, Instrument Case, etc.
