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The Eurotherm 3504 Controller is a highly versatile and advanced industrial PID process controller designed for precise control and monitoring of process variables such as temperature, pressure, flow, and level. Combining powerful control performance with flexible configuration options, the 3504 is ideal for demanding industrial automation applications across sectors such as heat treatment, environmental chambers, autoclaves, reactors, and other process environments.
Key Features:
Precision PID process and temperature control for single or dual loops
Advanced programming with up to 50 time‑based programs and recipe capability
Modular I/O with multiple plug‑in slot options supporting relays, logic, analog outputs, and more
Graphical display and customizable interface for easy reading and control
Flexible communication options including Modbus RTU, Modbus TCP, Profibus, DeviceNet integration
Ideal for heat treat ovens, furnaces, industrial ovens, reactors, and complex process systems
Specifications:
Model: Eurotherm 3504 Controller
Display: 5‑digit main process display with multi‑line message centre
Input Types: Thermocouple, RTD, process signals (varies with configuration)
Loops: Configurable as single or dual PID loops
I/O Slots: Up to six modular I/O module slots
Power: Wide range mains inputs depending on configuration
Communications: Ethernet TCP/IP, Modbus, Profibus, DeviceNet (optional)
Mounting: 1/4 DIN panel mount form factor (96 × 96 mm)
Applications:
Industrial temperature and process automation
Heat treatment furnaces and ovens
Environmental test chambers
Chemical processing and reactors
Material processing, coating, extrusion, and thermal‑critical systems
The Eurotherm 3504 Controller delivers precise, reliable, and flexible process control, making it an essential component for industrial automation and advanced process control systems.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
