Magnetic & Electrical Characterization
PPM Pulsed Pump Magnetometer
Description:
PPM is an extremely highperformance total field magnetometer. It features sensitivity better than 200 fT//Hz1/2, making it the highest sensitivity magnetometer that you can buy.
The sensor has a very narrow axial dead zone that is difficult to encounter during typical magnetic survey. The sensor measures magnetic field using a unique frequency counter and can track very large changes in magnetic field. It recovers immediately from transient magnetic pulses. With its extraordinary dynamic range, it faithfully tracks very large signal variation while maintiaining its high sensitivity.
Specifications:
- Sensor standoff from front surface: 5.6 mm
- Optically pumped alkali metal (rubidium)
- Sensitivity: <0.2 pT/Hz1/2
- Sample rate: 500 Hz (1 kHz, 4 kHz on request, but sensitivity suffers)
- Heading error: ±5 nT
- Narrow axial dead zones: <±7°
- Field range: 1–100 µT
- Slew rate: >1000 nT/ms
- Sensor volume: 2×3.6×13.6 cm
- Sensor mass: 100 g
- Control unit volume: 1.5×6×13 cm
- Control unit mass: 400 g
- System power consumption: 5 W (5V, 1.0A; can run from USB-C PD power source)
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