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설명
seismic detectors
LR-88C is a product of E-PULSE series seismic node instrument, which is lightweight, convenient and stable. The product aims to reduce the difficulty of seismic exploration construction, improve construction efficiency and save operating costs, and create greater value for users while maintaining high quality geological data collection. Using advanced GPS/ Beidou synchronization algorithm, ultra-low power circuit design and wireless data download/charging technology, the product is fully integrated, built-in high sensitivity detector, built-in lithium battery, continuous working time, the whole body is contact-free, conducive to intelligent/automated construction, unlimited collection number expansion, very suitable for a variety of complex surface and hostile environment.
1. product characteristics
light weight:580g
Small size :55mm x 55mm x 145mm
Wireless charging/wireless data download without any connector
Ultra-low power consumption, battery life of 50 날 (@ 12 hours a day continuous collection)
Efficient and automatic deployment of mobile apps
Intelligent start/sleep construction is simple
intelligent coordinate matching, support no pile construction
also supports GPS/ Beidou positioning system
mobile phone Bluetooth quality control
seismic detectors
Physical index | ||
Argument | Index | |
무게 | 580g | |
치수 | 55mm×55mm×148mm | |
작동 온도 | -40℃ to +70℃ | |
Class of protection | IP68 | |
Endurance @25℃ | 25 days @2ms or 50 consecutive days (12 hours work &12 hours sleep) | |
Charging time | 3.5 시간 | |
Instrument index | ||
Argument | Index | |
Number of channels | 1 | |
샘플링 속도 | 0.25ms,0.5ms,1ms,2ms,4ms | |
Advance gain | 0-24데시벨(6dB step) | |
Low cut filter | 1헤르츠, off DC or off | |
Anti-aliasing filter | 206.5Hz@2ms(82.6% Nyquist frequency) Maximum or minimum phase optional | |
The maximum value is @0dB | 2.5VpeaK | |
Equivalent input noise | 0.16μV@2ms @12dB | |
Instantaneous dynamic range | 128.8dB@2ms @12dB | |
Overall dynamic range | 150데시벨 | |
Time accuracy | ±10μs | |
Built-in GPS | GPS and Beidou (receive simultaneously) are used for timing and positioning | |
Internal storage | Expandable from 8GB to 32GB | |
Geophone index | ||
Argument | Index | Index |
Optional detector | 5헤르츠 | 10헤르츠 |
Natural Frequency (헤르츠) | 5±7.5% | 10±3.5% |
Dc resistance (오) | 1850±5% | 1800±3.5% |
감광도 (V/m/s) | 80±5% | 85.8±3.5% |
damping | 0.6±7.5% | 0.48~0.54 |
distortion | ≦0.1% | ≦0.1% |
False frequency (헤르츠) | ≧170 | ≧240 |