Specialty Meters
Specialty Meters offered by Primary Flow Signal designed for open-conduit flow for water, sewage, sludge or any other non-pressurized material.
FV-LF Fabricated Venturi – Low Flow
+/- 0.50% Uncalibrated Uncertainty
Low Reynolds, Lower Loss
- Line size: 3/8 to 12 inches
- Head loss % of Differential: 20.0 to 40.0 percent
- Recommended pipe Reynolds number: Greater than 6,000 for basic accuracy
FE Fabricated Elbow Meter
+/- 2.00% Uncalibrated Uncertainty
Low Cost, Small Space Required
- Line size: No limitations on line size
- Recommended pipe Reynolds number: Greater than 50,000 for basic accuracy
HN Halmi Nozzle
+/- 2.00% Uncalibrated Uncertainty
Low Cost, Open Channel Application
- Line size: 6 to 48 inches
- Head loss: Low
- Service life: 25 years plus depending on materials