- 描述
- 询问
描述
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 天 (@ 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 | |
重量 | 580G | |
方面 | 55mm×55mm×148mm | |
工作温度 | -40℃ to +70℃ | |
Class of protection | IP68 | |
Endurance @25℃ | 25 days @2ms or 50 consecutive days (12 hours work &12 hours sleep) | |
充电时间 | 3.5 小时 | |
Instrument index | ||
Argument | Index | |
Number of channels | 1 | |
采样率 | 0.25多发性硬化症,0.5多发性硬化症,1多发性硬化症,2多发性硬化症,4多发性硬化症 | |
Advance gain | 0-24D b(6dB step) | |
Low cut filter | 1赫兹, 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 | 150D b | |
时间精度 | ±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 | 5赫兹 | 10赫兹 |
Natural Frequency (赫兹) | 5±7.5% | 10±3.5% |
Dc resistance (哦) | 1850±5% | 1800±3.5% |
灵敏度 (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 (赫兹) | ≧170 | ≧240 |