高精度三分量磁通门地磁仪LEMI-018

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Main features(主要性能)

High resolution and precision(高精度)

Low noise(低噪声)

Low temperature offset(低温漂)

Low power consumption(低功耗)

Convenience of installation and service(安装维修方便)

Graphical display with touch screen(触摸屏图形显示)

Internal real time clock(内部实时时钟控制)

32 GB SD card(32G   SD卡)

Internal real time clock(内部实时时钟控制)

Satellite synchronization(卫星同步)

USB outputusb开关量输出板

3 years operational guarantee3年运行保证

Waterproof housing提供防水外壳

















LEMI-018是用于地磁场观测的高精度专业矢量磁力仪,它由两部分组成:主机和三分量磁通门磁力仪。该仪器的最大优点是其极高的稳定性(低漂移)、高分辨率和高精度,这使它特别适合于固定台站的长期连续观测;其次,小巧轻便,功耗低,这又使它适合于流动台站和复杂地区观测;第三,GPS同步,可进行大范围同步阵列观测;第四,开机即记的傻瓜方式使得操作极为简便。

MAIN TECHNICAL PARAMETERS(主要技术指标)

Frequency band(频率范围)

DC-0.5 Hz

Sample rate(采样率)

1 per s

SD card(32g)

32 GB

Digital output and control(输出输入端口

USB

GPS timing, coordinates and altitude determination(GPS定时,坐标和高度测定


Operating temperature range(温度范围

-20 -+ 60° C

Power supply(电源)

(5-20) V

Power consumption(功耗)

< 0.5

Weight (主机重量)

2.0 kg

3-component Flux-Gate Magnetometer(磁通门技术参数

Measured range at analog output(测量范围

±70000 nT

Frequency band for magnetometer(频带范围

DC-10 Hz

Transformation factor of analog output(模拟输出因子

20 µV/nT

Noise level at 1 Hz(噪音水平(1Hz时)

≤10 pT/√HZ

Temperature drift(温度漂移

< 0.3 nT/°C

Components orthogonality error (without compensation)(三分量方位正交误差

< 30 min of arc

Operating temperature range(工作温度

-20 + 55° C

Power consumption(功耗)

<0.5 W

Power supply(电源

5 V ±0.1V

Weight: sensor with 20 m cable(磁通门重量)带20米电缆的传感器

~5.0kG