Overview
The Johnson Controls EP-8000-1 is a precision electro-pneumatic transducer designed to convert a low-voltage DC electrical signal from an electronic controller into a proportional pneumatic output pressure signal. This low-volume, non-relay output model serves as an efficient interface between electronic control systems and pneumatic actuators.
Features
- Compact and simple design for versatile mounting options
- Low volume non-relay output for direct pneumatic control circuits
- Hypodermic needle test point for fast output pressure measurement
- Factory set with fully adjustable zero and span for easy field calibration
- High accuracy with low hysteresis requiring minimal maintenance
Specifications
- Input Signal: 0.5-9 VDC
- Output Pressure: 1-18 psig
- Supply Pressure: 18-25 psig (nominal 20 psig)
- Air Consumption: 45 SCIM maximum
- Connections: Barbed fittings for 5/32 or 1/4 inch O.D. polytubing
- Linearity: 5% maximum of output span between 3 and 15 psig
Applications
- Interfacing DDC or electronic controllers with pneumatic systems
- Modulating pneumatic valve and damper actuators
- Commercial and industrial HVAC pneumatic control loops
- Building automation and retrofit control applications


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