# Magnetic Field Sensor
<< [[Shop Environmental Survey]]
![[Screen Shot 2021-10-07 at 1.26.46 PM.jpg|800]]
[[spicer_consulting_sc12_magnetic_field_cancelling_system_manual.pdf|Manual]]
## Specifications
**Sensor dynamic range**: 40 mG pk - pk
**RMS Accuracy**: +- 1% , +- 0.003 mG
### Display
**Meter ranges**
| Range | mG RMS |
| ----- | --------- |
| X 1 | 0 - 1.999 |
| X 10 | 0 - 19.99 |
| X 100 | 0 - 199.9 |
DC range = +- AC range
### Signal
**Scaling**: 500 mV/mG
**Range** +- 10V
**AC Bandwidth:** 5 Hz - 20 kHz:
**AC Trip Range** 0 -2 mG
## Sensor Pinout
![[Pasted image 20241028224240.png]]
Connector on cable: Male 8 pin DIN Type A
From left to right inside of sensor:
| Function | Pin inside sensor | Color inside sensor | DIN Pin Number |
| -------- | ----------------- | ------------------- | -------------- |
| X | 1 | Green | 6 |
| Y | 2 | Blue | 8 |
| +15 | 3 | Red | 7 |
| Z | 4 | Purple | 4 |
| -15 | 5 | Brown | 3 |
| GND | GND | Feedthough | 1,5,shield |
| LED | LED | Feedthough | ? probably 2 |
## Notes
Control switches are latching
Movement through the earth's static magnetic field is equivalent to an AC field
Power supplies, transformers, and small electronics all create strong local AC fields
![[Field Cancelation Assembly.jpg]]