Oxygen Gas Sensor/Transmitter, RS485/4-20mA/0-5V

The oxygen gas sensor measures 0-30%VOL (RS485) and 0-25%VOL (analog) with ±3%FS accuracy and 0.1%VOL resolution. It operates on 10~30V DC, requiring 24V for 0~10V output, and is widely used in process control, environmental monitoring, healthcare, and safety applications. 

Specification

Feature

• High Protection and Durable Exterior: Made with high-density materials and equipped with waterproof seals to provide moisture and dust resistance, ensuring reliable operation in harsh environments.
• Standard ModBus-RTU Communication Protocol: Supports RS485 communication interface with configurable communication addresses and baud rates. It offers a maximum communication distance of up to 2000 meters, ideal for remote monitoring applications.
• High Efficiency and Sensitivity: Equipped with a highly sensitive gas detection sensor that delivers stable signals and high precision, ensuring real-time and accurate oxygen monitoring.
• Wide Application Environments: Suitable for use in factories, warehouses, food storage facilities, farms, orchards, and forestry applications, meeting both industrial and agricultural oxygen detection needs.

Size (Unit:mm)

Wiring Instructions

RS485

Wide voltage power supply input 10~30V is available. 485 signal line wiring, pay attention to the A\B two lines can not be reversed, the address of multiple devices on the bus can not conflict.

4-20mA/0-5V

Wide voltage 10~30V DC power input. For 0-10V output type devices only 24V power supply can be used.

Application

Tips: What kind of maintenance does the sensor require?

To ensure long-term performance and accuracy, the sensor requires minimal but regular maintenance, which includes:

• Periodic calibration: Calibration every 6-12 months to correct signal drift and maintain accuracy.
• Cleaning: Gently clean the exterior to remove dust, moisture, or contaminants. Ensure the waterproof and dustproof seals remain intact.
• Inspection: Regularly check for signs of wear, damage, or unusual readings. Address issues promptly to avoid sensor failure.
• System check: For RS485 communication, confirm that the wiring, connections, and data transmission remain stable over time.