Fisher 4320 Wireless Position Monitor
The Fisher 4320 wireless position monitor eliminates the need for wiring to an on/off, pneumatically actuated valve. It provides a precise wireless feedback signal to indicate equipment position with a percent of span plus on/off indication. The 4320 can be used to control and/or monitor valves, sliding-stem regulators, displacement and float level sensors, and relief valves. It is designed to be simple to use, compact, and easily mounted.