For many instrumentation users the complexity of some digital valve positioners can be frustrating when only basic features are required. Spirax Sarco has responded to the market need for a simple, easy-to-use digital smart positioner with the new SP400.
The SP400 has a very simple menu system and can perform an auto-stroke calibration at the press of a single button resulting in reduced commissioning time.
For those users who require more functionality, Spirax Sarco has introduced the new SP500, a full featured smart digital positioner with optional retransmission of valve position; software switches, ability to use a separate 24 Vdc power supply and communications protocols as well as diagnostics. The SP500 benefits from having a similar user interface to its SP400 stable mate and is also very user friendly.
-- Spirax Sarco