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Electronic pressure switch, range 0-20 psi, 1/4" male NPT, bottom connection, 316L SS, 2 SPDT relays, 4-20 mA output, 120/240 VAC voltage option


Item# EDAW-N1E1-02T1-HV

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Lead Time (If not in stock): 3 weeks
Electronic pressure switch, range 0-20 psi, 1/4" male NPT, bottom connection, 316L SS, 2 SPDT relays, 4-20 mA output, 120/240 VAC voltage option EDAW-N1E1-02T1-HV EDAW-N1E1-02T1-HV

Dwyer Instruments is now a DwyerOmega brand. We're working together to bring you the best products in a single shopping experience.

  • Can replace a separate gage, two switches, and a transmitter in a system
  • Compact design is economical and space saving
  • Two fully adjustable SPDT relays for precise control and alarms
  • LED indicates and large, backlit display for high readability

EDAW-N1E1-02T1-HV Model Options

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Pressure Range
Deadband Range
Switch Type
Pressure Type
Pressure Port Size
Pressure Port Type

  • Accuracy ±1% of FS including linearity
  • Output Signal 4-20 mA
  • Stability < ±2% of FS per year
  • Electrical Rating 5 A @ 120/240VAC
  • Repeatability ±1% of FS (switching only)
  • Electrical Connections Removable terminal blocks with two 1/2" female NPT conduit connections
  • Housing Polycarbonate
  • Compensated Temperature Limits 32 to 122°F (0 to 50°C)
  • Minimum Excitation 14 Vdc
  • Power Requirements 12-28 VDC/AC 50/60 Hz. (Can work at 8 VDC for 45 s). For T5 option: 14-30 VDC/AC 50/60 Hz. For -HV option: 120-240 VAC
  • Pressure Limits 1.5X Range
  • Temperature Limits Ambient: 20 to 140°F (-6.6 to 60°C)
  • Wetted Materials 316L SS
  • Zero and Span Adjustments Menu scalable within the range

Dwyer Instruments is now a DwyerOmega product brand

Product Applications

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


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 range).
Test Mode:Simulates input over the range without pressuring to easily test switches and transmitter output feature.
Fail-safe: For sensor failure, over pressure, high temperature limit, low temperature limit, or keypad short. User chooses if relay is de-energized, energized, or no action. With transmitter option, 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.

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are the two relay set points independent

Hello, the two relay setpoints are independent of each other.
Answered by: SAE J
Date published: 2023-11-06

I have 2 questions (1) vibration ? can this be mounted directly on a refrigeration compressor ? (2) outdoor temp range can reach Zero degrees F which is out of the stated ambient range will control work or do you have other options for low ambient

Asked by: stupid question
Heavy vibration may cause false readings and/or early failure of the unit so remote mounting is best. The lowest ambient temp is 20F. Unfortunately we don't offer a lower temp option on the EDA. The DA/DS series are much older technology and much less precise with fewer features but the minimum temp is -30F.
Answered by: JK Applications Engineer
Date published: 2024-06-19
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