Erdco Seeflo Series 3200 flowmeter

See-Flo® meters are variable area flow rate meters (“rotameter”). Instantaneous flow rate measurement. Observe fluid conditions for color, clarity and flow. Use in horizontal or vertical piping systems. Individually calibrated for fluid and operating conditions. User selectable 10:1 turndown flow ranges. (See Meter Rangeability Sizing Tables) User selectable units of measure including dual units of measure. No floats to get stuck, tubes to break or dynamic seals to leak. Low pressure loss. Simple design with few parts for long service life.