BLUE-WHITE? is a manufacturer of Variable Area Flowmeters, Hybrid Ultrasonic Flowmeters, Digital Meters and, Peristaltic and Diaphragm types of Chemical Metering Pumps. Variable area flowmeters are offered in more than 240 configurations; Sonic-Pro? Ultrasonic Flowmeters can toggle between Doppler and transit time methods; BW DIGI-METERS? include: Flow sensors, rate meters and totalizers, batch/process controllers and, 4-20mA Signal Generators, including battery operated models. The company's CHEM-PRO? and CHEM-FEED? diaphragm type and, FLEX-PRO? and FLEXFLO? peristaltic type metering pumps are designed for efficient, accurate chemical injection. Metering pumps are offered with many standard voltages and feed rate options. In addition, Blue-White specializes in meeting OEM requirements.