ENDRESS+HAUSER ZAD 184

Endress+Hauser Power Supply Unit ZAD 184

Description

The Endress+Hauser ZAD 184 is a reliable, albeit obsolete, power supply and display unit designed for industrial process automation. It is commonly used to power two-wire sensors and transmitters, especially within level measurement systems like the Nivotester series. This unit is an essential component for maintaining legacy systems where a direct replacement is required to avoid costly upgrades. Please note this is a used item and shows signs of wear, including damage to the rear plastic housing as depicted in the photos.

Specifications

• Manufacturer: Endress+Hauser
• Model: ZAD 184
• Product Type: Power Supply Unit
• Application: Sensor and transmitter power supply
• Condition: Used, Tested

Label Info

• Brand: ENDRESS+HAUSER
• Model: ZAD 184

Application

This unit is specifically designed for integration into control panels for applications in liquid level monitoring, bulk solid level detection, and other processes utilizing compatible Endress+Hauser sensors.

Country of Origin

Manufactured in Switzerland.

CO2 Impact

By choosing this pre-owned ZAD 184, you are extending the life of existing equipment and avoiding the manufacturing of a new unit. This decision saves approximately 32 kg of CO2 emissions, contributing to a more sustainable industrial environment.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

Is the Endress+Hauser ZAD 184 a standalone device?

No, the ZAD 184 is a supply unit designed to power specific two-wire Endress+Hauser sensors, such as the Nivotester series. It functions as part of a complete measurement loop.

What are the common failure modes for a ZAD 184 unit?

Common issues with older power supply units like the ZAD 184 include capacitor degradation over time, leading to unstable output, or failure of the internal power regulation components. Physical damage to the connectors is also a concern.

Can I replace a ZAD 184 with a modern power supply?

While modern units like the E+H RIA15 series can provide power, the ZAD 184 may have specific signal conditioning or safety barrier functions that are not directly matched. A direct replacement is recommended for existing systems to avoid re-engineering and re-certification.

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Last Update: March 13, 2026