Dwyer DTFW FlowmeterDwyer Instrument Inc.’s Series DTFW Variable-Area Flowmeter for Liquids measures water flowrates with +/-2 percent of full-scale accuracy. Durable metal construction allows for compatibility and the strength to withstand system pressures up to 3,000 PSIG (200 bar). Sized ¼-inch, ½-inch, and 1-inch connections are available, with construction choices of a high-quality brass or stainless steel. The series is available in a variety of ranges up to 30 GPM. The flowmeter comes pre-calibrated for horizontal in-line mounting. – dwyer-inst.com