Wago 750-498 8AI Thermocouple

Why Choose the WAGO 750-498 Thermocouple Analogue Input Module?

The WAGO 750-498 is a high-precision 8-channel thermocouple analogue input module designed for the WAGO I/O System 750. It enables PLCs and industrial controllers to directly measure thermocouple temperature signals and low-level millivolt inputs from industrial sensors used in process monitoring and temperature measurement systems.

Each input channel can connect directly to thermocouple sensors, allowing accurate measurement of process temperatures across a wide range of industrial applications. The module converts the thermocouple signal into digital process values that can be processed by the automation controller. :contentReference

The module includes integrated cold junction compensation to ensure reliable temperature measurement accuracy. With its compact DIN-rail housing and CAGE CLAMP® spring terminal connections, the 750-498 provides a reliable and efficient solution for industrial temperature monitoring systems. :contentReference

Key Advantages

• 8 thermocouple input channels for high-density temperature monitoring.
• Direct connection of thermocouple sensors using 2-wire inputs.
• Integrated cold junction compensation for accurate measurement.
• Supports multiple thermocouple types used in industrial instrumentation.
• Seamless integration with WAGO 750 Series distributed I/O systems.
• Fast installation using CAGE CLAMP® spring terminals.

Key Features

• 8 analogue thermocouple input channels.
• Supports thermocouple types K, J, B, E, N, R, S, T and C.
• Temperature resolution: approx. 0.1 °C.
• Configurable sensor selection per channel.
• Cold junction compensation integrated in the module.
• Also capable of measuring low-level millivolt signals.
• Compatible with WAGO fieldbus couplers and controllers.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-498
• Module type: Analogue input module (thermocouple)
• Number of inputs: 8 analogue channels
• Signal type: Thermocouple / millivolt input
• Supported sensors: K, J, B, E, N, R, S, T, C thermocouples
• Resolution: approx. 0.1 °C
• Cold junction compensation: Internal
• Isolation: 500 V system/field isolation
• Supply voltage: 5 V DC via internal I/O bus
• Connection technology: Push-in CAGE CLAMP® terminals
• Mounting: 35 mm DIN rail
• Operating temperature: 0 °C to +55 °C
• Ingress protection: IP20

Industrial Temperature Monitoring

Temperature measurement is critical in many industrial processes including manufacturing, chemical processing and energy production. Thermocouples are widely used because they provide reliable temperature sensing across extremely wide measurement ranges.

The WAGO 750-498 module allows automation controllers to measure temperature signals from multiple thermocouples simultaneously. When integrated with the WAGO 750 Series distributed I/O platform, it enables scalable monitoring and control systems for industrial process automation. :contentReference

Typical Applications

• Industrial temperature monitoring systems.
• Process automation and chemical plants.
• Furnace, oven and thermal process control.
• Energy production and utilities monitoring.
• Distributed PLC and remote I/O architectures.

Trusted by Automation Engineers

WAGO 750 Series I/O modules are trusted worldwide by automation engineers and system integrators to build reliable distributed control systems across manufacturing, process automation and industrial infrastructure.