Endress+Hauser Resistance Temperature Sensor TST187-1A3B

Description

The Endress+Hauser TST187-1A3B is an industrial-grade resistance thermometer (RTD) designed for high-accuracy temperature measurement in a wide range of process applications. With its robust construction and high IP rating, it ensures reliable performance even in challenging environments.

Specifications

• Manufacturer: Endress+Hauser
• Order Code: TST187-1A3B
• Product Type: Resistance Temperature Sensor
• Sensor Element: 1x Pt100, TF (Fast Response), 4-wire connection, Class A accuracy
• Insertion Length (L): 160 mm
• Measuring Range: -50 to 400 deg C
• Protection Rating: IP66/IP68

Label Info

• Ser.no.: J10003142EA
• Year of Manufacture: 2014

Application

This sensor is suitable for precise temperature monitoring and control in industries such as chemical, power & energy, food & beverage, and oil & gas. The 4-wire Pt100 configuration provides maximum accuracy for critical process loops.

Country of Origin

Made in Italy.

CO2 Impact

Choosing this surplus component over a new one avoids approximately 12.0 kg of CO2 emissions, contributing to a more sustainable industrial operation.

Availability

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

FAQ

This TST187-1A3B is a 4-wire sensor, which offers the highest accuracy. A 4-wire configuration uses two wires to carry the excitation current and two separate wires to measure the voltage drop across the sensor. This completely compensates for the lead wire resistance, unlike 2-wire (no compensation) or 3-wire (partial compensation) systems, making it ideal for precision measurements.

Yes, this sensor uses a standard Pt100 Class A element. It can be connected to any PLC analog input card or temperature controller that is designed for Pt100 RTD inputs. Ensure your controller is configured for a 4-wire Pt100 input to take full advantage of its accuracy.

The 'TF' designation in Endress+Hauser sensors typically stands for 'Temperature Fast response'. This indicates that the sensor's internal construction is optimized for a quick response time to changes in temperature, which is crucial in dynamic processes requiring tight control.

Last Update: Friday, March 13, 2026

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