SOR Ultrasonic Switch, 711
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711 Ultrasonic Switch

Brand: SOR Inc
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The 711 ultrasonic switch is a versatile single-point device designed for the detection of clean liquids. 

The 711 is available with a variety of sensor types to meet most process conditions. 

It is available integral or remote mounted and comes standard with field-selectable failsafe. 

The 711 is comprised of two parts. The first is the electronics and housing; the second is the sensor. 

Select the electronics and housings on this page and refer to page 18 for the sensor model number.
Features
  • No calibration required
  • Can be used with notch, epoxy and viscous type sensors
  • FM Approved or CSA Certified for hazardous locations
  • Field-selectable failsafe
  • Rostechnadzor (RTN) standard certificate

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Specifications

Brand

Adjustment Type

  • Fail-safe: Field Adjustable

Ambient Temperature Range

  • -40° to 71° C (-40° to 160° F)

Approvals & Certifications

  • CRN
  • CSA: Class I, Groups C, D, Class II, Groups E, F, G, Class III, Div. 1
  • FM: Class I, Groups C, D, Class II, Groups E, F, G, Class III, Div. 1
  • RTN

Cable Length

  • Remote Cable: 50 feet (15.2 metres)

Conduit Connection

  • 3/4” NPT

Electrical Contacts

  • Gold-Contact Relay

Enclosure Finish

  • Housing Exterior: Fungicidal Varnish
  • Powder Epoxy Coated
  • Powder-Coated Epoxy

Environmental Protection

  • Explosion-proof
  • IP65
  • IP66
  • NEMA 4X

Input Power

  • 120 Vac, 50/60 Hz
  • 24 Vdc
  • 240 Vac, 50/60 Hz

Maximum Current

  • Draw (Line Power): 140 mA, 24 Vdc
  • Draw (Line Power): 30 mA, 240 Vac
  • Draw (Line Power): 60 mA, 120 Vac

Mounting

  • Pipe Mounting Kit
  • Remote Electronics Flat-Surface Mounting Bracket

Name Plate, Tag Material

  • Stainless Steel
  • Fiber

Output

  • 10 A DPDT at 250 Vac
  • 10 A DPDT at 30 Vdc

Pressure Range

  • psi: 2,000 (kPa: 13,800, bar: 138) - Max.

Process Temperature

  • -40° to 121° C (-40° to 250° F)

Repeatability

  • 0.078” (2 mm)

Response Time

  • 250 milliseconds (ON/OFF)

Sensor, Probe Material

  • Metal
  • Teflon

Sensor, Probe Style

  • Ultrasonic

Sensor, Probe Type

  • Notch
  • Viscous

Switch Type

  • DPDT Relay

Documentation

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