BAS (British Antarctic Survey) type LPM
Specification of the BAS (British Antarctic Survey) type Low Power Magnetometer
Magnetometer Bartington MAG-03MC, 3-axis fluxgate magnetometer
noise: 6pT/sqrt(Hz) (1Hz), ±0.1nT/C
range ±70,000 nT
resolution 1 nT
sampling 1, 10, 60 sec, automatically changed depending on battery voltage
system ON time 150 ms at each sampling
Data logger CPU::TDS2020; 16bit A/D; 100 Hz LPF; flash memory card (190 MB)
Solar Panel KYOCERA KC40, 40 W max, 2.34 A, 16.9 V
Battery 4 set of SUNLYTE 12-5000X, 12 V, 100 Ah,
Power consumption 0.42, 0.08, 0.05 W depending on sampling rate, 1, 10, 60 sec
Other instruments temperature probe, GPS receiver
Ambient temperature -78 C min (experienced value)
Data recovery By hand, once per year