Burkert Conductivity Sensor, 8221
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8221 Conductivity Sensor

Brand: Burkert Fluid Control Systems
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Burkert Conductivity Sensor, 8221 Burkert Conductivity Sensor, 8221 Burkert Conductivity Sensor, 8221
The 8221 hygienic conductivity probes are used to determine electrical conductivity in a wide range of pure or concentrated liquids.

Due to their hygienic design and the robust construction, these conductivity probes are suitable for use under demanding conditions in application sectors including food and beverage, pharmaceutical, biotechnology and the general chemical industry.

Two technologies of conductivity probes are available:
  • probes based on the 2-electrode principle are suited for measurements in liquids, especially (ultra) pure water. Contamination affects the measurements.
  • probes based on the 4-electrode principle exclude polarization phenomena and are not sensitive to contamination. This clever design guarantees an excellent linearity over a wide conductivity range.
Features
  • Perfect for demanding applications in the hygienic industry (CIP and SIP compatible)
  • Variants available for usage over a wide conductivity range
  • Due to support of the most important process connections specific customer requests can be implemented
  • Fits perfectly to our multipurpose transmitter/controller type 8619

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Specifications

Brand

Applications

  • Biotechnology
  • Food & Beverage
  • General Chemical Industry
  • Pharmaceutical

Approvals & Certifications

  • 2-Point Calibration Certificate
  • ECR 1935/2004 - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 4-Electrode Conductivity Probe
  • Inspection Certificate 3.1
  • Test Report 2.2 - 2-Electrode Conductivity Probe with M12 Connector
  • USP Class VI Declaration - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 4-Electrode Conductivity Probe

Approvals & Certifications

  • CE - 2-Electrode Conductivity Probe with M12 Connector
  • EHEDG - 4-Electrode Conductivity Probe
  • EU Directives - 2-Electrode Conductivity Probe with M12 Connector
  • FDA - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 4-Electrode Conductivity Probe, 2-Electrode Conductivity Probe with M12 Connector
  • PED 2014/68/EU - 2-Electrode Conductivity Probe with M12 Connector

BSP Connection

  • G 1/4” Male
  • G 1-1/4” Male - 4-Electrode Conductivity Probe (Short or Long Insertion Version)

Electrical Connectors

  • 5-Pin M12 Male Fixed Connector - 2-Electrode Conductivity Probe with M12 Connector
  • Cable, Length 3 metres, Instrument Side with Open Wire - 2-Electrode Conductivity Probe with Cable
  • PG13.5 - 4-Electrode Conductivity Probe
  • VarioPin (VP 6.0) - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 4-Electrode Conductivity Probe

Enclosure Finish

  • Electro-Polished

Environmental Protection

  • IP67 - 2-Electrode Conductivity Probe with M12 Connector

Linearity

  • Relative: ± 0.5 to 5 %

Materials of Construction

  • Electrode, Frame: 316L Stainless Steel - 4-Electrode Conductivity Probe (Short or Long Insertion Version) (1.4435), 4-Electrode Conductivity Probe (1.4435), 2-Electrode Conductivity Probe with M12 Connector
  • Electrode, Frame: Stainless Steel - 2-Electrode Conductivity Probe with Cable
  • Frame: PEEK - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 4-Electrode Conductivity Probe, 2-Electrode Conductivity Probe with M12 Connector
  • Frame: PTFE - 2-Electrode Conductivity Probe with Cable

Measuring Range

  • 0.05 to 20 µS/cm - 2-Electrode Conductivity Probe with M12 Connector
  • 0.05 to 5,000 µS/cm - 2-Electrode Conductivity Probe with Cable
  • 0.1 to 500,000 µS/cm - 4-Electrode Conductivity Probe (Short or Long Insertion Version)
  • 1 to 500,000 µS/cm - 4-Electrode Conductivity Probe

Media

  • Water

Pressure Range

  • psi: 0 to 100 (kPa: 0 to 689.5, bar: 0 to 7) - Max.
  • psi: 0 to 87.06 (kPa: 0 to 600, bar: 0 to 6) - Max.

Process Temperature

  • 120° C (248° F) - Max.
  • -20° to 135° C (-4° to 275° F) - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 4-Electrode Conductivity Probe
  • -20° to 150° C (-4° to 302° F) - 2-Electrode Conductivity Probe with M12 Connector

Response Time

  • t90: 60 seconds - 2-Electrode Conductivity Probe with M12 Connector

RTD Type

  • Pt1000

Seat / Seal Material

  • Seal: EPDM

Sensor, Probe Type

  • Probe: 2-Electrode - 2-Electrode Conductivity Probe with M12 Connector, 2-Electrode Conductivity Probe with Cable
  • Probe: 4-Electrode - 4-Electrode Conductivity Probe (Short or Long Insertion Version) & 4-Electrode Conductivity Probe

Tri-Clamp Connection

  • 1-1/2” Tri-Clamp - 4-Electrode Conductivity Probe (Short or Long Insertion Version), 2-Electrode Conductivity Probe with M12 Connector, 2-Electrode Conductivity Probe with Cable
  • 2” Tri-Clamp - 4-Electrode Conductivity Probe

  • Food & beverage
  • Pharmaceutical
  • Biotechnology 
  • General chemical industry

Documentation

Data Sheets

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