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

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$101.58

Ex Tax: $101.58

Stock: In Stock
Model: RDDLZ-OS-3002O2
Weight: 1.00
SKU: RDDLZ-OS-3002O2

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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

Model	RDDLZ-VMS-3002-O2-*
Power Supply	10~30V DC (0~10V output type requires 24V supply)
Output Signal	4-20mA, 0-5V, 0-10V (optional)
Power Consumption	RS485: 0.12W; 4-20mA, 0-5V, 0-10V: 0.25W
Operating Temperature	-20~50°C
Operating Humidity	5~95%RH, non-condensing
Pressure Range	90~110kPa
Stability	≤5% signal value/year
Response Time	≤10s
Preheating Time	≥5 minutes
Zero Drift (-20~40°C)	±0.3%VOL
Repeatability	≤1%
Service Life	≥24 months
Measurement Range	RS485: 030%VOL; Analog: 025%VOL
Accuracy	±3%FS
Resolution	0.1%VOL

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 AB two lines can not be reversed, the address of multiple devices on the bus can not conflict.

	Wire Color	Description
Power	Brown	Power Positive
Power	Black	Power Negative
Communication	Yellow	RS485-A
Communication	Blue	RS485-B

4-20mA/0-5V

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

	Wire Color	Description
Power	Brown	Power Positive
Power	Black	Power Negative
Output Signal	Yellow	Signal Positive
Output Signal	Blue	Signal Negative

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.

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