Magnet pole indicator - shows the north or south pole of magnets.

Pocket sized.
Battery powered (includes batteries)

Applications
Polarity check
Error detection and analysis
Quality control
Electric motor assembly

Specifications
+/- 15mT on/off hysteresis
Weight: 31g including batteries
Dimensions: 134 x 22 x 19mm
Battery: 4 x 1.5v button cell
Buzzer and LED indication
Operating temperature: 0 to 50°C