|
Main features(主要性能) |
High resolution and accuracy(高分辨、高精度) |
Low noise(低噪声) |
3 electric + 3 magnetic channels(三电道+三磁道) |
Very low temporal and thermal drift(低漂移) |
Low power consumption(低功耗) |
512 MB internal memory(内存512MB,可变) |
Satellite synchronization(卫星同步) |
4-lines digital display(面板4行数字显示) |
Analog and RS - 232 outputs(模拟和RS-232输) |
Magnetic sensor with leveling facilities(水平调整) |
Magnetic variations measuring ranges along each component(磁场测量范围) |
±68000 nT |
Resolution(磁场分辨率) |
10 pT |
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 |
Long-term zero drift(长期零漂移) |
< ± 5 nT/year |
Temperature drift(温度漂移) |
<0.2 nT/°C |
Transformation factor linearity error(传输函数线性误差) |
< 0.01% |
Components orthogonality error(三分量方位正交误差) |
< 30 min of arc |
lectric voltage total measurement range (电位测量范围) |
±600 mV |
Resolution (电场分辨率) |
0.07 µV |
Input resistance (输入阻抗) |
10 GOhm |
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 |
Internal FLASH-memory volume(内置闪存) |
2G |
Operating temperature range(工作温度) |
-40 — +50°C |
Power consumption(功耗) |
< 1.2 W |
Power supply source(电源) |
12 V |
Weight of electronic unit with magnetic sensor(总重量) |
2.7 kg |
Length of connecting cable between magnetic sensor and electronic unit up to(磁电缆) |
10 m |
Length of connecting cable between GPS antenna and electronic unit |
3m |