ABB TB4540E342 Temperature Transmitter

• • • • • • • • • • • • • • • • ABB TB4540E342 Temperature Transmitter (TB454 Conductivity / Temperature Analytical Sensor System)

                              • Product Description

                                The ABB TB4540E342 is part of the ABB TB454 analytical measurement system, mainly used as a conductivity / process measurement sensor system with integrated temperature compensation function.

                                Although it is sometimes listed as a “temperature transmitter,” in ABB documentation the TB454 series is primarily a conductivity electrode system with temperature compensation capability used in liquid process analysis.

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                                Key Specifications

                                • Brand: ABB
                                • Model: TB4540E342 (TB454 series configuration code)
                                • Type: Conductivity / analytical process sensor system
                                • Measurement: Electrical conductivity of liquids
                                • Temperature Function: Integrated temperature compensation (RTD element inside probe)
                                • Installation: Inline or submersion process mounting
                                • Connection: Twist-lock / threaded industrial probe system
                                • Material: Stainless steel electrode structure
                                • Max Temperature: ~100°C (typical TB454 sensor range)
                                • Max Pressure: Industrial process rated (approx. 6–7 bar class)

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                                What it actually does

                                This device is used to:

                                • Measure liquid conductivity (µS/cm)
                                • Provide temperature compensation for accurate readings
                                • Support chemical concentration monitoring
                                • Work with ABB analytical transmitters (e.g., AWT series)
                                • Enable process control in water/chemical systems

                                 

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                                System Role (Simple)

                                Process liquid (water / chemical solution)
                                → TB4540E342 sensor (this probe)
                                → conductivity + temperature signal
                                → ABB transmitter (AWT / APA / analyzer)
                                → PLC / SCADA system receives processed value

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                                Key Features

                                • Combined conductivity + temperature measurement
                                • Integrated temperature compensation for accuracy
                                • Industrial corrosion-resistant stainless steel electrodes
                                • Suitable for continuous process monitoring
                                • Twist-lock installation for easy maintenance
                                • Stable long-term measurement in liquids

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                                Typical Applications

                                • Water treatment plants
                                • Boiler feedwater monitoring
                                • Chemical process control
                                • Cooling water systems
                                • Pharmaceutical production
                                • Food & beverage conductivity monitoring
                                • Industrial wastewater treatment

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                                Advantages

                                • Improves accuracy of conductivity measurement
                                • Reduces error caused by temperature variation
                                • Strong chemical resistance for industrial fluids
                                • Easy installation and replacement design
                                • Reliable ABB process analytics system component

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                                Important Notes

                                • Not PLC module ❌
                                • Not communication module ❌
                                • Not standalone temperature transmitter ❌
                                • It is a process analytical sensor (conductivity + temperature compensated probe) ✔

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                                Precautions

                                • Must be used with compatible ABB transmitter (AWT / analyzer system)
                                • Must be calibrated for correct conductivity range
                                • Electrode must remain clean for accurate readings
                                • Not suitable for dry operation (must stay immersed)
                                • Chemical compatibility must be confirmed before use

The structure and details of the product：