The Seametrics AO55W transmitter is now obsolete and the closest available model is the FT440W transmitter. For reference, the obsolete AO55W specifications were:
Mount: Wall mount
Power: Loop powered
Input: Open-collector solid state sensor input
Environmental: NEMA 4X, IP66
Weight: 3 lbs
The new model has more features than the obsolete model. Please confirm that the replacement model meets your needs.
Go to our FT440W page to view and/or purchase the new replacement flowmeter.