Amsterdam, The Netherlands —Sierra Instruments' Mass-Trak mass flow controller now is available with a switch-selectable remote setpoint capability from 0 to 10 Vdc or 4 to 20 mA command signal. The instrument's control valve features include both a purge mode and a valve close command from an external contact, one sec response to setpoint changes, and a ± accuracy specification.
Amsterdam, The Netherlands —Sierra Instruments’ Mass-Trak mass flow controller now is available with a switch-selectable remote setpoint capability from 0 to 10 Vdc or 4 to 20 mA command signal. The instrument’s control valve features include both a purge mode and a valve close command from an external contact, one sec response to setpoint changes, and a Sierra Instruments Inc.