Main features(主要性能) |
High resolution and precision(高分辨、高精度) |
Low noise(低噪聲) |
Low temperature offset(低溫漂) |
waterproof housing(防水外殼) |
Low power consumption(低功耗) |
Automatic operation control(自動操作控制) |
Real-Time Graphic display(實時曲線顯示) |
Internal real time clock(內(nèi)部實時時鐘控制) |
Salite synchronization(衛(wèi)星同步) |
Analog and RS-232 outputs(模擬和RS-232輸出) |
BY.83-LEMI-018是用于地磁場觀測的高精度專業(yè)矢量磁力儀,它由兩部分組成:主機和三分量磁通門磁力儀。該儀器的zui大優(yōu)點是其*的穩(wěn)定性(低漂移)、高分辨率和高精度,這使它特別適合于固定臺站的*連續(xù)觀測;其次,小巧輕便,功耗低,這又使它適合于流動臺站和復(fù)雜地區(qū)觀測;第三,GPS同步,可進行大范圍同步陣列觀測;第四,開機即記的傻瓜方式使得操作極為簡便。 |
MAIN TECHNICAL PARAMETERS(主要技術(shù)指標(biāo))
Measuring ranges of total magnetic field at the display(磁場測量范圍) | ±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(無補償模擬輸出范圍) | ±1000nT |
Transformation factor of analog output(模擬輸出傳輸因子) | 2.4 mV/nT |
Noise level at (0.03 - 0.3) Hz frequency band(頻率在0.03-0.3Hz之間的噪音水平) | < 15 pT rms |
Temperature drift(溫度漂移) | <0.2 nT/°C |
Long-term zero drift | < ± 5 nT/year |
Components orthogonality error(三分量方位誤差 ) | < 30 min of arc |
Automated offset compensation band along each component (自動補償范圍) | ±68000 nT |
Sample rate(采樣率) | 1 per s |
Samples averaging (by PC software) 平均采樣率 | 2, 5, 10 ,15 ,20 ,30 ,60 |
Volume of memory (內(nèi)存) | 2 GB 閃存卡 |
Operating temperature range (工作溫度) | -20°C—+60°C |
Power supply, battery (電源) | 10—18 V |
Power consumption(功耗) | <0.8 W |
Weight (重量) | 1.2 kg 1.8 kg |
Length of connecting cable(磁電纜長度) | 5m |
Length of connecting cable between GPS antenna and electronic unit (GPS電纜長度) |