Features: High resolution, low noise, low power consumption, good temperature performance Application: earth magnetic field measurement, mine magnetic field measurement, road vehicles Induction, MWD inclinometer, natural earthquake level prediction, space magnetic survey, also can be used for military application, such as magnetic weapon, undergound weapons seeking ( shell, landmine…) and anti-submarine. ER-SF Series ER-SF series simple component fluxgate sensors’ specification parameter unit Performance Indicators Enhanced industrial grade Military grade working temperature ℃ -20℃ ~ 100 ℃ -55℃ ~ 125 ℃ sensitivity μV/nT 30μV 30μV resolution nT 1nT 0.5nT Measurement range nT 0~±200000nT 0~±200000nT stability nT/60min <1nT <1nT nonlinearity F•S• <0.01% <0.01% repeatability F•S• <0.001% <0.001%> lag F•S• <0.001% <0.001% zero drift at full temperature nT/ ℃ <1nT <1nT noise nT <1nT <0.5nT ER-SF series simple component fluxgate sensors’ dimension Model dimension Housing material Welding material seal Excitation mode Excitation voltage picture SF-M13 13×13×11mm Aviation superhard aluminum High temperature solder HTG Square wave excitation AC 3V~12V SF-M15 15×15×11mm Aviation superhard aluminum High temperature solder HTG Square wave excitation AC 3V~12V SF-M21 21×15×11mm Aviation superhard aluminum High temperature solder HTG Square wave excitation AC 3V~12V SF-E13 13×13×11mm Aviation superhard aluminum Ordinary solder FR-4 Square wave excitation AC 3V~12V SF-E15 15×15×11mm Aviation superhard aluminum Ordinary solder FR-4 Square wave excitation AC 3V~12V SF-E21 21×15×11mm Aviation superhard aluminum Ordinary solder FR-4 Square wave excitation AC 3V~12V Sensor characteristics: • second harmonic of output voltage is directly proportional to magnetic intensity. • stability output signal, low noise. • widely using environment temperature range,low temperature drift, zero drift at full temperature is less than 1nT/ ℃. • widely measurement range of magnetic field, high sensitivity, sensitivity of SF-M series is below 0.5nT.
