smc offers a variety of digital flow switches. series pf2a for air, pf2w for water, pf2d for deionized water and chemicals. flow rate setting and monitoring are possible with the digital display...
PF2W7, Digital Water Flow Sensor, 2-Color Display, IP65, 0.5-100 LpmPF2W7 is a digital flow sensor for water or coolant. This is a legacy sensor, refreshed in 2009 as PF3W. The 3-digit LED display...