Dwyer Series EDA Electronic Pressure Controller

Part Number: Series EDA Category:

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Dwyer Series EDA Electronic Pressure Control is an extremely versatile compact package that can replace a separate gage, two switches, and a transmitter in a system saving money, installation time, and panel space. The EDA incorporates two SPDT relays that have the on and off points fully adjustable over the range for control or alarm use. The front face has LED indicators for switch status and a large backlight two-line display showing process value and indication units. Programming is easy with a simple menu structure, two-line display, and external programming buttons. The weatherproof housing is ideal for a wide variety of applications with panel mount, flush-mount, or pipe mount ability. Features include zero sets, adjustable dampening, menu lockout, peak and valley indication, removable terminal blocks, adjustable time delay, and scalable transmitter output.

Product Applications

  • Process control
  • Compressor control
  • Filter status
  • Duct or building static pressure
  • Damper and fan control

Service : Compatible liquids and gases.

Wetted Materials : 316L SS.

Housing : Polycarbonate.

Accuracy : ±1% of FS including linearity, hysteresis, and repeatability (indicator and transmitter).

Stability : < ±2% of FS per year.

Pressure Limits : 1.5 x range.

Temperature Limits : Ambient: 20 to 140°F (-6.6 to 60°C); Process: 0 to 176°F (-18 to 80°C).

Compensated Temperature Limits : 32 to 122°F (0 to 50°C).

Thermal Effect : ±0.05% of F.S./°F.

Display : 4-digit backlit LCD (Digits: 0.60″H x 0.33″W).

Power Requirements : 12 to 30 VDC/AC.

Power Consumption : 2.5 watts.

Electrical Connections : Removable terminal blocks with two 1/2″ female NPT conduit connections.

Enclosure Rating : Meets NEMA 4X (IP65).

Warm Up Time : <10 seconds.

Mounting Orientation : Any position.

Weight : 1.18 lbs (535 g).

Agency Approvals : CE, UL.


Switch Type : 2 SPDT relays.

Electrical Rating : 5 A @ 120/240VAC, 1 A @ 30 VDC.

Repeatability : ±1% of FS (switching only).

Set Points : Adjustable 0-100% of FS.

Switch Indication : External LED for each relay on the front panel.

Switch Reset : Manual or Automatic.


Output Signal : 4-20 mA, 1-6 VDC, 1-5 VDC, 0-5 VDC, or 0-10 VDC (direct or reverse output selection).

Minimum Excitation : 14 VDC.

Zero and Span Adjustments : Menu scalable within the range.

  • Display Units: psi, kg/cm², bar, in Hg, ft w.c., kPa, MPa, %FS, in w.c., mbar, cm w.c., mm Hg, or oz/in² (choices depend on the range).
  • Test Mode: Simulates input over the range without pressuring to test switches and transmitter output feature easily.
  • Fail-safe: For sensor failure, overpressure, high-temperature limit, low-temperature limit, or keypad short. The user chooses if the relay is de-energized, energized, or no action. With the transmitter option, the user chooses an output of 3.6 mA 22 mA, or no action.
  • Alternation: Selectable alternation of set points between the relays for even wear on duplex pump applications.
  • Versatile Compact Package: Can replace a separate gage, two switches, and a transmitter in a system, saving money, installation time, and panel space.
  • Fully Programmable: To meet simple or complex application needs.
  • Weatherproof Housing: Ideal for a wide variety of applications with panel mount, flush-mount, or pipe mount ability.

Manuals: Instruction Bulletin
Catalog Pages:Series EDA Catalog Page
Product Data Sheet:EDA Datasheet

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