B and D Mfg., Inc.
Rotation Tester for circulating pumps.
The tester indicates magnetic fields and rotation direction for certain circulation pumps.
Place the indicator at the motor center. The red-white disc rotates in the same direction as the pump when the motor is running.
A.C. Indicator for solenoid valves, transformers, etc.
The tester will also indicate magnetic fields from A.C. sources such as solenoid valves and transformers.
Place the indicator close to the A.C. device. The red-white disc rotates when the device is active.