Burkert Vibrating Level Switch, 8111
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558 111

Series: 8111 Vibrating Level Switch Brand: Burkert Fluid Control Systems
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Burkert Vibrating Level Switch, 8111 Burkert Vibrating Level Switch, 8111
  • Output - Double Relay (DPDT), 2 Floating SPDTs
  • Process Connection - 3/4" NPT

Specifications

Brand

Ambient Temperature Range

  • Conformity Specification: -40° to 85° C (-40° to 185° F)
  • Operating: -40° to 70° C (-40° to 158° F)
  • Storage: -40° to 80° C (-40° to 176° F)

Applications

  • Chemical Industry - Solvents, Reactors
  • Food Processing Industry
  • Water/Sewage Water Plants

Approvals & Certifications

  • Security: EN 61010-1

Approvals & Certifications

  • ATEX: EN 50014, EN 50020, EN 50284
  • CE
  • EMC EN 61326
  • Ex ia IIC T6
  • NAMUR: IEC 60947-5-6 (EN 50227)
  • PTB

BSP Connection

  • G 1" Male
  • G 3/4" Male

Class

  • Protection: Class I (Relay Output)
  • Protection: Class II (NAMUR Output)

Consumption

  • Current (Falling Characteristic - Blade Covered, Rising Characteristic - Blade Uncovered, Fault Signal): ≤ 1 mA - NAMUR Output
  • Current (Falling Characteristic - Blade Uncovered, Rising Characteristic - Blade Covered): ≥ 2.2 mA - NAMUR Output
  • Power (AC): 1-8 VA - Relay Output
  • Power (DC): Approximately 1.3 W - Relay Output

Cover Material

  • Polycarbonate (PC)

Delay Time

  • Approximately 500 ms
  • When Immersed: 0.5 seconds - Relay Output
  • When Laid Bare: 1 second - Relay Output

Density Range

  • 0.5 to 2.5 g/cm³ (DIP Switch)
  • 0.7 to 2.5 g/cm³

Electrical Connectors

  • 1 or 2 Cable Glands M20 x 1.5

Electrical Rating

  • 1 A at 253 Vdc, 50 W, Max.
  • 10 µA at 10 mV Min. - Relay Output
  • 5 A at 253 Vac, 1,250 VA, Max.
  • Short Circuit Rating: 103 mA

Enclosure, Body Material

  • 316L Stainless Steel, 1.4404
  • PBT (Polybutylene Terephthalate)

Environmental Protection

  • IP66
  • IP67

Flange Material

  • ECTFE (Ethylene Chlorotrifluoroethylene)
  • Enamel
  • Hastelloy C-4
  • PFA

Frequency

  • Approximately 1,200 Hz

Hysteresis

  • Approximately 2 mm (0.08") with Vertical Installation

Length

  • Extension Tube Length: 200 to 1,000 mm

NPT Connection

  • 1" NPT Male
  • 3/4" NPT Male

Power

  • 516 mW

Power Supply

  • 20-253 Vac at 50/60 Hz - Relay Output
  • 20-72 Vdc - Relay Output
  • Conformity Specification: 20 V
  • NAMUR Input: 8.2 Vdc
  • Open-Circuit Voltage: 8.2 V - NAMUR Output
  • Short-Circuit Current: Approximately 8.2 mA - NAMUR Output

Pressure Range

  • psi: -14.51 to 928.64 (kPa: -100 to 6,400, bar: -1 to 64)

Process Temperature

  • -50° to 150° C (-58° to 302° F)

Ring Material

  • Seal Ring: EPDM

Seat / Seal Material

  • Process Seal: Klingersil C 4400

Switch Type

  • 2 Floating SPDTs
  • Relay (DPDT)

Temperature Range

  • -50° to 250° C (-58° to 482° F)

Tri-Clamp Connection

  • 1" Tri-Clamp
  • 1-1/2" Tri-Clamp
  • 2" Tri-Clamp

Viscosity

  • Dynamic Viscosity: 0.1 to 10,000 MPa-s (with Density 1)

Wetted Materials

  • Tuning Fork & Process Fitting: 316L Stainless Steel 1.4435

Documentation

Data Sheets

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