Welcome to Greyline Instruments...


We 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.

Flow & Level Instruments with
Non-Contacting ultrasonic sensors


Greyline Level instruments include ultrasonic level transmitters, pump station controllers, tank farm monitoring systems, software and data loggers.

Greyline's ultrasonic Flow products include portable meters for troubleshooting and surveys, Doppler flow meters with strap-on sensors, flow switches, open channel and area-velocity flow monitors.

 

Click Products for information on Greyline flow and level instruments, or contact us at the following addresses:

   
We'd like to hear from you Canada:
Greyline Instruments Inc.
16456 Sixsmith Drive
Long Sault, Ont. K0C 1P0
Tel: 613-938-8956
Toll Free: 888-473-9546
Fax: 613-938-4857
E-mail:
info@greyline.com
We'd like to hear from you USA:
Greyline Instruments Inc.
105 Water Street
Massena, NY 13662
Tel: 315-788-9500
Toll Free: 888-473-9546 
Fax: 315-764-0419
E-mail:
info@greyline.com