Measuring ranges of total magnetic field at the display(磁场测量范围) |
±68 000 nT |
Resolution along each component at the display, digital output and flash card data(分辨率) |
0.01 nT |
Measured range at analog output without additional compensation(无补偿模拟输出范围)
|
±1000nT |
Transformation factor of analog output(模拟输出传输因子) |
2.4 mV/nT |
Noise level at (0.03 - 0.3) Hz frequency band(频率在0.03-0.3Hz之间的噪音水平) |
< 15 pT rms |
Temperature drift(温度漂移) |
<0.2 nT/°C |
Long-term zero drift |
< ± 5 nT/year |
Components orthogonality error(三分量方位误差 ) |
< 30 min of arc |
Automated offset compensation band along each component (自动补偿范围) |
±68000 nT |
Sample rate(采样率) |
1 per s |
Samples averaging (by PC software) 平均采样率 |
2, 5, 10 ,15 ,20 ,30 ,60
|
Volume of memory (内存) |
2 GB 闪存卡 |
Operating temperature range (工作温度) |
-20°C—+60°C |
Power supply, battery (电源) |
10—18 V |
Power consumption(功耗) |
<0.8 W |
Weight (重量)
sensor with support
electronic unit
|
1.2 kg
1.8 kg |
Length of connecting cable(磁电缆长度) |
5m |
Length of connecting cable between GPS antenna and electronic unit
(GPS电缆长度) |
3m |