Profile: Frehnig Instruments and Controls manufactures pumps & motors, textile machinery, and auto parts. Our products are electromagnetic flowmeters , paddle wheel flowmeters, computerized pump test system, conductivity meter, rpm meter, rpm controller and data logging & software. Our pulsed DC magnectic flowmeter is capable of providing a stable and accurate flow reading, even in demanding application. The flow tube is a fully sealed system, with extra thick PTFE lining. The meter can display the flow rate and also the totalized flow. Our conductivity meter is a system of conductivity transmitter and a receiver. It is an integrated conductivity sensor electrode and a 20mA transmitter, all housed in a sealed unit. The receiver is a 20mA receiver, that converts the current signal to PPM display. Our automatic pump testing system is an integration of our flowmeter, pressure controller, vacuum controller , rpm meter and energy meter.