Having to consistently ensure equipment is properly calibrated can be taxing on time. Fluid Metering Inc.’s STH and STQ Duplex valveless metering pumps will dispense millions of cycles at ± 1 per cent precision without recalibration. They provide mixing, diluting and proportional metering, and are suitable for OEM medical, analytical and industrial instrumentation. The pumps also offer unidirectional continuous flow, using two separate ports for input and output. Fluid Metering Inc.