Brief guide for installing, wiring and commissioning the Endress+Hauser Oxymax COS51D dissolved‑oxygen sensor.
About this manual
The Oxymax COS51D dissolved‑oxygen sensor is intended for continuous measurement of dissolved oxygen in water. This guide provides safety instructions, installation requirements, electrical connection details and commissioning steps for trained personnel.
Key sections cover basic safety guidelines, certification information, recommended installation angles, cable‑length limits, and step‑by‑step commissioning procedures, ensuring correct and safe operation in industrial water‑treatment applications. This manual is written in Chinese.
What's inside
- Document Information
- Basic Safety Guidelines
- Certificates and Certification
- Installation Conditions
- Electrical Connection
- Commissioning
- Installation Examples
Specifications
| Maximum cable length | 100 m |
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| Operating temperature range | -5 to +50 °C |
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| Minimum conductivity for safe measurement | 10 nS/cm |
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| Installation angle range | 10° to 170° |
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| Recommended installation angle | 45° |
Frequently asked questions
What are the recommended installation angles for the sensor?
The sensor must be installed at an inclination between 10° and 170°, with a recommended angle of 45° to avoid bubble formation.
What is the maximum allowed cable length between the sensor and the transmitter?
The maximum allowed cable length is 100 m (330 ft).
What temperature range can the sensor operate in?
The sensor is rated for ambient temperatures from –5 °C to +50 °C.