Edwards Active and Passive range of gauges and controllers
With gauges being vital to any vacuum system in order to efficiently control and monitor processes, you can find a wide selection of technologies to best suit your application.
An Introduction to our range of Active, Passive and Digital Gauges & Controllers
In all cases we offer gauges that span the complete range from Atmosphere to UHV pressures. From Active to Passive and 2000mbar to 1e-12mbar we have the solution for you.
Capacitance manometer gauges: the most accurate “active” gauges we offer
- Accuracies of <1%
- The ability to output a linear 0-10V signal or communicate via RS232
They are Electro-mechanical gauges using a ceramic membrane to form an electrode of a capacitor.
Available in a number of temperature controlled variants, our Capacitance range can be integrated into many applications where accuracy is key.
Documentation
Active gauges: a complete self-contained head & driver electronics in a compact unit
- Typically need 24 V dc
- Provide a 0-10 V output that relates to the pressure. This output can be S-shaped or Linear depending on the chosen unit.
- Check out the video for more
Documentation
Digital gauges: eliminating the need for a separate controller
Digital gauges are similar to Active in that they are self-contained including driving electronics, however they take this one step further and eliminate the need for a separate controller.
The Digital gauges simply need a supply voltage in the range of 15 to 48Vdc and then are serial comms enabled, so can be directly interrogated via a PC or PLC using either RS232 or RS485 communications.
Documentation
Passive gauges: completely separate the measuring part from the driver electronics
The head that is attached to the system only contains the items needed for the physical measurement and all other electronics is contained in the controller.
As such the controller and cable have to be specific to the desired gauge.
Documentation
Portable gauging: be free of cabling and power
Portable gauging offers the opportunity to easily take spot measurement checks.
Thanks to it being mains power independent, the Edwards P3 handheld all-in-one measuring system is the essential device for:
- On-site service calls
- On the spot flexible checking