Fluid Metering Inc., of Syosset, N.Y., introduces the Model STRH for precision fluid control in analytical and process instrumentation. It integrates the company’s patented CeramPump® valveless piston pumping principal with precision stepper control. The piston stroke displacement is adjusted using an easy-grip flow control ring graduated in 450 divisions resulting in an accuracy of 1 percent or better. It’s ideal in applications that require both frequent and highly accurate changes in dispense volumes or flow rates.