SPECIFICATIONS
Enclosure
NEMA 4X / IP65.
To prevent any interference from electromagnetic radiation, use
rigid metal conduit to enclose the wiring entering the ER3000. Two
1/2" NPT wire ports have been provided for this purpose. If unused,
properly seal with a metal plug.
Media
The preferred media is clean, dry instrument grade air or nitrogen.
Use of an in-line 40-micron filter is highly recommended to prevent
damage to the solenoid valves.
Inlet Pressure
Minimum: Outlet pressure + 1 PSIG
Maximum: 120 PSIG
Typical: 110 PSIG
Note: Response time is affected by inlet pressure.
Environment
Temperature: -20°C to 60°C (dry nitrogen supply gas)
5°C to 60°C (shop air)
Pressure: 28 - 32 inches Hg
Humidity: To 100% R.H. (non-condensing) @ 0°C to 60°C
Flow Rate
Cv: 0.01
Note: The flow rate can be increased through the use of a booster
regulator.
Power Requirement
Voltage: 24 VDC (22 VDC to 28 VDC)
Current: 340mA maximum, 180mA nominal
RS485 Communication Interface
Networking: Up to 32 controllers on one network
Cable length: 4000 ft. maximum
Baud rate: 9600
Accuracy
Room temp: 0.1% of span maximum
Temperature effects: 0.002%/°F of span maximum
Note: Accuracy is based on the user-provided external transducer
when used in external feedback mode.
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