The Seametrics WMX101-400-GPM/G-HF flowmeter is now obsolete and the closest available model is the iMAG4700-0400-F1-R-D1-X-XX-0064 flowmeter. For reference, the obsolete WMX101-400-GPM/G-HF specifications were:
Flanged In-Line Magmeter, Externally Powered, 4", Factory-Installed Power/Output Cable, 6m (20 ft), Rate: Gallons/Min, Total: Gallons, High Frequency Pulse.
Please confirm that the replacement model meets your needs.