Conductivity - SE 615, SE 202, SE 204, ZU 6985

SE 202 2-Electrode Sensor

Laboratory Conductivity Sensor for Low Conductivity Measurements

The SE 202 is a robust 2-electrode laboratory conductivity sensor designed for precise measurements in media with low conductivity. Constructed with 1.4571 stainless steel for both the electrodes and body, it ensures durability and reliability across various applications.

Key Facts and Features:

• Material: 1.4571 stainless steel for electrode and body
• Body Dimensions: Diameter of 12 mm and length of 120 mm
• Immersion Depth: Adjustable from 30 mm to 120 mm
• Operating Range: Measures conductivity from 0.01 to 199.9 µS/cm
• Pressure Resistance:
  • SE 202: Up to 2 bar
  • SE 202 MS: Up to 1 bar
• Integrated Temperature Sensor: NTC 30 KOhm at 25 °C for accurate temperature compensation
• Operating Temperature Range:
  • SE 202: -5 to 100 °C
  • SE 202 MS: -5 to 80 °C

Applications:

• Measurement in media with low conductivity
• Ultrapure water
• Boiler feedwater
• Demineralized or ion-exchanged wate

SE 204 4-Electrode Sensor

High-Precision Laboratory Conductivity Sensor with 4 Electrodes

The SE 204 is a laboratory conductivity sensor featuring four electrodes made of graphite and a durable epoxy body. This sensor is designed for accurate conductivity measurements over a wide range and is ideal for various laboratory applications.

Key Facts and Features:

• Electrode Material: Graphite for reliable and accurate conductivity measurements
• Body Material: Epoxy for robustness and durability
• Body Dimensions: Diameter of 15.3 mm and length of 120 mm
• Immersion Depth: Adjustable from 36 mm to 120 mm
• Operating Range: Measures conductivity from 1 µS/cm to 500 mS/cm
• Pressure Resistance: Withstands up to 2 bar of pressure
• Integrated Temperature Sensor: NTC 30 KOhm at 25 °C for precise temperature compensation
• Operating Temperature Range: Functions effectively between -5 °C and 100 °C

Applications:

• Suitable for a wide range of conductivity measurements
• Ideal for laboratory use in various research and industrial applications

SE 615 Memosens 2-Electrode Sensor

Affordable and Reliable Sensor for Water and Wastewater Treatment

The SE 615 is a cost-effective, 2-electrode conductivity sensor designed for water and wastewater treatment applications. It features Memosens technology for advanced performance, including perfect galvanic isolation and digital data transfer.

Key Facts and Features:

• Memosens Technology:
  • Provides perfect galvanic isolation
  • No humidity influence in the connector
  • Supports lab precalibration
  • Enables digital data transfer
  • Integrated sensor diagnostics for optimal performance
• Low Maintenance: Requires minimal upkeep for reliable long-term use
• Integrated Temperature Detector: Ensures automatic temperature compensation for accurate measurements
• 2 Graphite Electrodes: Made from low polarized special graphite, offering a large measuring range
• Robust Design: Suitable for MemoRail applications

Applications:

• Water treatment
• Wastewater treatment

ZU 6985 Conductivity Sensor

Versatile Conductivity Sensor for Laboratory and Portable Use

The ZU 6985 is a highly durable conductivity sensor designed for a broad range of measurements, from 1 μS/cm to 1 S/cm. It is ideal for precise laboratory or portable use and offers high chemical resistance and ease of operation.

Key Facts and Features:

• User-Friendly: Easy to use and maintain, with no platinization required
• Large Measuring Range: Measures conductivity from 1 μS/cm to 1 S/cm
• Simultaneous Temperature Measurement: Features a quick-reacting Pt1000 temperature detector for accurate temperature compensation
• High Chemical Resistance: Constructed from durable materials including glass, platinum, PTFE, and FKM, ensuring longevity in harsh chemical environments
• Contamination Resistant: Virtually immune to contamination, maintaining accuracy over time
• Ready for Use: Comes with individually measured cell constants for immediate deployment
• 4-Electrode System: Includes a glass/platinum 4-electrode measuring system with an easily replaceable precision glass tube, simplifying cleaning and maintenance

Applications:

• Conductivity measurements across a wide range in laboratory settings
• Portable use in environments with severe chemical stress

Download PDF: Knick ZU-6985 Datasheet

Supplied by DP-Flow

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