CLS50D Spare Parts Overview

The CLS50D is an inductive conductivity sensor manufactured by Endress+Hauser, widely used in industries such as chemical, pharmaceutical, and water treatment. To ensure measurement accuracy and extend service life, regular replacement of spare parts is essential. This article compiles a list of commonly used spare parts for the CLS50D, including order numbers, specifications, and application notes, for reference by engineering technicians and procurement personnel.

Seals and O-rings

Seals are key components that ensure the sensor's protection rating and measurement reliability. The CLS50D offers O-rings and sealing rings in various materials to accommodate different chemical compatibility and temperature requirements.

O-rings

  • Order No. 71086368: CLS50 CHEMRAZ O-ring, suitable for highly corrosive media.
  • Order No. 71086369: Kit CLS50 >20081001: VITON O-ring, suitable for general industrial applications.

Sealing Rings and Gaskets

  • Order No. 71086372: PTFE sealing ring CLS50 DN50, chemical resistant.
  • Order No. 71086374: Kit CLS50 ANSI+JIS >20081001: PTFE gasket, suitable for ANSI and JIS flange standards.

Flange Spare Parts

Flanges are important components for connecting the sensor to piping. The CLS50D offers flange spare parts in various specifications to meet different pipe sizes and standards.

Order No. Specification Description
51500525 CLS50 DN50 SS flange
51500527 Flange
51500934 Flange
51500935 Flange
51500936 Flange
51500937 Flange

Calibration Solutions

Calibration solutions are used for calibrating conductivity measurement systems to ensure measurement accuracy complies with ISO standards. The CLS50D offers calibration solutions with various conductivity values, all in 500 ml packaging, reference temperature 25°C, and traceable to NIST standard reference materials.

Order No. Conductivity Value Specification Description
50081902 74.0 µS/cm 500 ml, reference temperature 25°C, traceable to NIST SRM, includes temperature chart, complies with ISO standards
50081903 Not specified 500 ml, reference temperature 25°C, traceable to NIST SRM, includes temperature chart, complies with ISO standards
50081904 1.406 mS/cm 500 ml, reference temperature 25°C, traceable to NIST SRM, includes temperature chart, complies with ISO standards
50081905 Not specified 500 ml, reference temperature 25°C, traceable to NIST SRM, includes temperature chart, complies with ISO standards
50081906 Not specified 500 ml, reference temperature 25°C, traceable to NIST SRM, includes temperature chart, complies with ISO standards

Note: The specific conductivity values of the calibration solutions may vary slightly by batch; please refer to the product label. Read the instructions carefully before use to ensure proper calibration.

Spare Parts Selection and Ordering Recommendations

When purchasing CLS50D spare parts, please select the appropriate material and specifications based on actual operating conditions (such as media corrosiveness, temperature, and pressure). It is recommended to regularly inspect the wear of seals and flanges and replace them promptly to ensure measurement accuracy. When ordering, please provide the complete order number to ensure the correct spare parts are obtained.

For more technical information, please refer to the official Endress+Hauser documentation or contact technical support.