Yamatake AUD500C UV Sensor User Manual

About this manual

This manual explains how to safely install, operate, and maintain the AUD500C high‑voltage explosion‑proof UV sensor. It emphasizes compliance with safety standards such as the Ex d IIC T4 certification and outlines precautions to avoid electric shock, false flame detection, and explosion hazards.

The document is organized into sections covering an overview of the sensor, installation procedures, wiring diagrams, adjustment steps, fault handling, regular maintenance, and technical specifications. It also lists required accessories, packaging contents, and recommended replacement intervals for key components. This manual is written in Japanese.

What's inside

• Overview
• Installation
• Wiring
• Adjustment
• Fault Handling
• Maintenance
• Specifications

Frequently asked questions

What explosion‑proof certification does the AUD500C have?

The AUD500C is certified with the Ex d IIC T4 explosion‑proof construction.

How long can the phototube unit be used before replacement?

The phototube unit and shielding unit have a service life of three years.

Can the AUD500C be combined with other flame detectors?

No, the sensor must not be combined with machines other than the company’s own combustion controllers.