WIKA R5502/S Bimetal Thermometer

Description

This WIKA Model 55 series bimetal thermometer, model R5502/S, is a high-quality instrument designed for precise temperature measurement in a wide range of industrial applications. It features a 100mm nominal size dial for clear readability and a robust stainless steel case. With a temperature range of 0 to 120 degrees Celsius and a back mount connection, it is suitable for installation in pipelines, vessels, and machinery. This thermometer is manufactured to the EN 13190 standard, ensuring reliability and accuracy.

Specifications

• Manufacturer: WIKA
• Model: R5502/S
• Article Number: 5231.33
• Temperature Range: 0 to 120 deg C
• Nominal Size (Dial): NG 100 mm
• Stem Length (L1): 160 mm
• Stem Diameter: 8 mm
• Connection: Back mount (axial)
• Case Material: Stainless Steel

Label Info

• Model: R5502/S, NG100, 0...120C, L1=160x8mm
• Art.-No.: 5231.33
• Order-No.: 20832787 / 17.0

Application

Ideal for use in the chemical, petrochemical, process engineering, and food industries. It can be used for monitoring temperatures in liquids and gases where a rugged and reliable thermometer is required.

Country of Origin

Manufactured in Germany.

CO2 Impact

Reusing this component saves approximately 1.0 kg of CO2, contributing to a more sustainable industrial environment. This is comparable to the emissions from a 5 km car journey.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

According to the EN 13190 standard, these thermometers are typically manufactured to Accuracy Class 1 or 2. For precise applications, Class 1 is recommended, offering a higher degree of accuracy across the measurement range.

While it can be installed directly, using a thermowell is highly recommended. A thermowell protects the thermometer stem from corrosive media, high pressure, and physical stress, and allows for replacement of the thermometer without shutting down the process.

No, the stem contains a sensitive bimetallic coil that runs its entire length. Bending or altering the stem will damage this coil, leading to inaccurate readings and permanent failure of the instrument.

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Last Update: Friday, March 13, 2026