“Measurement and Control Instrumentation since 1975”

Greyline Instruments


Greyline Instruments develop and manufacture industrial flow and level monitoring instruments for measurement and control in water and wastewater treatment, industrial process automation and for environmental monitoring.

Greyline level instruments include ultrasonic level monitors and transmitters, tank level monitoring instruments and pump station level controllers.

Greyline’s ultrasonic flow products include portable meters for troubleshooting and surveys, Doppler and Transit Time flow meters with clamp-on sensors, flow switches, open channel flow monitors and area-velocity flow meters.