主机技术参数 |
Frequency band(频宽) |
DC-0.5 Hz |
Sample rate(采样率) |
1S |
Volume of memory (内存) |
32 GB |
Digital output and control (输出模式) |
USB |
Operating temperature range (工作温度) |
-20°C—+55°C |
Power supply (工作电压) |
(5-20) V |
Power consumption (功耗) |
<0.5 W |
Weight (重量) |
2KG |
磁通门主要技术参数 |
Measuring ranges of total magnetic field at the display(磁场测量范围) |
±70000 nT |
Resolution along each component at the display, digital output and flash card data(分辨率) |
0.01 nT |
Transformation factor of analog output(模拟输出传输因子) |
20 uV/nT |
Noise level at 1 Hz frequency band(频率1HZ噪音水平) |
< 10 pT rms |
Temperature drift(温度漂移) |
<0.3 nT/°C |
Components orthogonality error(三分量方位误差 ) |
< 30 min of arc |
Operating temperature range (工作温度) |
-20°C—+55°C |
Power supply, battery (电源) |
5—20V |
Power consumption(功耗) |
<0.5 W |
Weight sensor with 20 m cable (重量) |
5 kg
|
Length of connecting cable(磁电缆长度) |
20m |
Length of connecting cable between GPS antenna and electronic unit
(GPS电缆长度) |
3m |