UE One Series Hybrid Smart Solid State Transmitter-Switches

Prices starting at:
Price $900.00

$500+ Orders on Lesman.com Ship Free via UPS Ground

Call for Availability

Programmable solid state pressure, differential pressure, and temperature devices with local indication for general service, hazardous area, or harsh environment applications. 4-20 mA transmitter-only, switch-only, or hybrid transmitter-switch models, front-panel digital process display and keypad adjustment, adjustable differential, I Am Working self-diagnostics, NEMA 4X/IP66 epoxy-coated aluminum alloy 360 enclosure with tempered glass window, UL listed, CSA approved, cUL certified, CE compliant.

UE One Series 1XSW loop-powered electronic switches are now certified SIL2/SIL3 capable for functional safety. See product documentation tab for further details.

United Electric's One Series provides explosion-, flame-proof, intrinsically safe, and non-incendive devices to monitor gauge pressure, differential pressure, or temperature for critical alarm and shutdown applications in general service or harsh, hazardous environments. With a digital process display and available 4-20 mA output, the One Series can provide the functions of a switch, a gauge, and a transmitter with only one connection to the process.

UE One Series is available in two-wire analog loop powered, two-wire discrete input powered, and externally powered solid state switch models, and as switch-only, transmitter-only, or transmitter/switch versions. Transmitter and hybrid transmitter-switch One Series now feature HART® communications so you can program or troubleshoot without removing the enclosure cover to maintain device integrity, even in explosive environments.

Field-proven in thousands of applications like pumps and compressors, lubricating oil monitoring, hydraulic oil pressure, filter monitoring, and plant upgrades as drop-in replacements for mechanical switches.

  • Switch only, transmitter only, or hybrid transmitter/switch models available
  • Two switch-only models available: High voltage, low current for compatibility to worldwide DCS and PLC systems, and high voltage, high current for switching high level loads directly at the measurement point
  • Solid state switch-only models replace mechanical switches for cost-effective upgrades using existing wiring
  • NAMUR standard and HART® enabled transmitter; 4-20 mA output plus programmable switch for process monitoring, alarm, and shutdown
  • Adjustable Ranges: Pressure -14.7 to 6000 PSI, Temperature -40° to 1000°F, Differential Pressure 0 to 200 PSID
  • Configurable "I Am Working" self-diagnostics ensure the instrument is functioning properly
  • Display and keypad provide easy, fast, secure field programming without taking the device out of service
  • Programmable setpoint and deadband provide versatile, accurate, repeatable alarm and shutdown switching without "wet" calibrations on a pressure test stand
  • All models UL, CSA approved for Class I Div 1, Class II Div 1, Class III, plus Class 2 Zone 1, and Class 1 Zone 2 environments
  • One Series 1XSW switches are now certified SIL2/SIL3 capable for compliance with IEC functional safety requirements
More Information
SIL-Rated Yes
Measured Variable Differential Pressure, Gauge Pressure, Temperature
Enclosure/Construction NEMA 4X, Div 1 Hazardous, Div 2 Hazardous
Switch Output SPST, MOSFET/SSR, 4-20 mA, HART
Sensor Type RTD, Strain Gage
Adjustment External Adjustment
Measuring Range -14.7 to 6000 PSIG, 0 to 200 PSID, -40° to 1000° F

To build your complete part number, make a selection from each table section below. Your completed model and its price will appear in the Results section. If you don't see the options you need, call us.


      Please complete your model selections.
      Copyright 1995-2023 © Kele Industrial Automation (Lesman and A-Tech Inc)