Lutron GU-3001: Precision Milli Gauss Meter

This meter is useful for measuring both AC and DC magnetic fields. Easy to use with external single axis axial probe. Excellent range with great features including:

- DC and AC (40 Hz to 10 kHz) magnetic field measurement
- High sensitivity: down to 0.1 mG
- High range: up to 3000 mG
- Accuracy: ±(2% + 2 mG)
- N pole/S pole indicator
- Reads in mG or μT (toggle)
- Zero adjustment button (tare) for relative measurement
- Data hold function for freezing the current value on display
- Records Maximum and Minimum readings with Recall
- 1 second sampling time
- 3.5 mm data output jack

Uses 6 AAA batteries (not included).

Specifications:
* Measurement: mG (milli Gauss), uT (micro Tesla)
* Range: - 3,000 mG to 3,000 mG, DC/AC
     - 300.0 uT to 300.0 uT, DC/AC
* Resolution: 1 mG/0.1 uT.
* Sensor: High sensitivity gauss sensor.
* Data hold. Record (Max, Min), RS232/USB.
* 1.5 V battery (UM-4/AAA) x 6 PCs or DC 9V adapter.