The Seametrics AO55 series transmitter is now obsolete and the closest available model is the FT440 series transmitter. For reference, the obsolete AO55 specifications were:
Mount: Wall mount
Power: Loop powered
Input: Open-collector solid state sensor input
Connector: Available with connector for LMI pump
Environmental: NEMA 4X, IP66
Weight: 3 lbs
The new series has more features than the obsolete series. Please confirm that the replacement series meets your needs.
Go to our FT440 page to view and/or purchase the new replacement series.