Automated offset compensation band along each magnetic component
自动补偿范围

± 70 000 nT

Measured range of magnetic field variations 动态测量范围

± 4000 nT

Resolution along each component: 分辨率
at the display　显示分辩率
in 1-second and 1-minute data files 1秒和1分数据分辨率
in 0.1-second file and Flash card data 0.1秒和存储数据分辨率

0.1 nT
0.01 nT
0.001 nT

Frequency band　频宽

DC – 3.5 Hz

Temperature drift　温度漂移

< 0.2 nT/°C

Output noise in frequency band (0.01 – 1) Hz
频宽在(0.01 – 1) Hz时的输出噪音

< 0.01 nT rms

Magnetic sensor components orthogonality 磁场分量正交误差

< 30 min of arc

Sample rate　采样率
at the magnetometer digital output and FLASH card 数字输出以及存储数据的时间间隔
after PC software digital filtration 经过计算机处理可得到

10 Hz

1 per second 标准妙级
1 per minute 标准分级

Error of synchronization with UTC time   与UTC的时间同步误差

< 10 ms

Volume of the removable Compact FLASH memory card　闪存卡容量

2 GB

Digital output　数字信号输出

RS 232

GPS timing and co-ordinates determination   

GPS定时和坐标定位

Operating temperature range　工作温度

-10  to  +40° C

Power supply　电源电压

10～15 V

Power consumption　功耗

< 4 W

Weight   重量：
sensor with 10 m cable　磁通门重量（包括10m电缆）
electronic unit with cables　主机重量（包括电缆）
GPS antenna with 15 m cable     15mGPS 天线

3.3 kg
3.8 kg
0.7 kg