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

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$101.58

The oxygen gas sensor measures ranges of 0-30%VOL for RS485 output and 0-25%VOL for analog output, with an accuracy of ±3%FS and a resolution of 0.1%VOL. Gas transmitter has a power supply range of 10~30V DC, with the 0~10V output type requiring a 24V supply. Widely used in industries such as process control, environmental monitoring, medical devices, food and beverage, safety detection, scientific research, and combustion system optimization.

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Output Signal *

Epitaxial Probe

With Epitaxial Probe [+$72.00]

SKU: ATO-OS-3002O2

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Delivery date: 6-12 days

Overview

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	ATO-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)

O2 transmitter size

Wiring Instructions

O2 transmitter wiring diagram

Application

O2 transmitter 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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