Products & Services
Our Selection of Positioners
EJH Instrument Services encompass oil and gas facilities throughout the United States and internationally.
We are proud to use premium quality vendors with certifications.
Digital Valve Controller
The Digital Valve Controller is smart and it is attached to the valve actuator, which controls and monitor the valve operation. The DVC is capable of operating in 4-20mA, HART, Fieldbus or Profibus protocol.
Double Action Fisher DVC6200 Positioner
The Fisher DVC6200 instrument allows for your operation to run closer to setpoint, improving product quality with more accurate control. Using FIELDVUE Performance Diagnostics, valve operation is monitored online to evaluate performance and reliability.
Single Action Fisher FIELDVUE DVC6200
Using FIELDVUE Performance Diagnostics, valve operation is monitored online to evaluate performance and reliability. Instrument allows for your operation to run closer to setpoint, improving product quality with more accurate control.
Fisher FIELDVUE DVC6200 SIS Digital Valve Controller
The Fisher FIELDVUE DVC6200 SIS digital valve controller is capable controlling the valve safety shutdown function and safely extending time between proof tests using partial stroke testing, all while monitoring the health of the entire valve assembly.