Flow Instruments

A special purpose instrument with an algorithm to automatically calculate relative humidity from wet bulb and dry bulb temperatures. A microcontroller based, one or two pen, 10″ circular chart recorder, available in three versions; basic recorder, recording controller, and recording profile controller. The controller is capable of controlling any process from simple on/off to dual 4-20mA outputs with full PID on both pens. Can be panel or surface mounted.