Pump dry running sensor

656494220 Datasheet(PDF) - Agilent(Hewlett-Packard)

Pump dry running protection - Project Guidance - Arduino Forum

Water pump protection switches & controls: prevent pump damage or

Level monitoring

Water Pump Sensor - Royal Industrial Trading Co.

Dry Running Pumps, PDF, Pump

Water pump protection switches & controls: prevent pump damage or

Dry-running of borehole pumps - why it is dangerous and how to protect your pump

Dry-running protection

What happens when you dead-head a pump?