RO2 R

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Modbus Oxygen (O2) Sensor
Model RO2-R

This device is designed to measure ambient oxygen concentration in industrial and laboratory applications. Using electrochemical technology, the sensor measures the amount of oxygen present in air or a process environment and provides the measured data to industrial monitoring systems via the RS‑485 network and under the Modbus RTU protocol.

This device can be connected to various PLC, DCS, RTU, HMI, and SCADA systems and can be used in industrial monitoring and control systems.

The measured values can be received via Modbus as follows:
Oxygen concentration in percent (%Vol)

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RO2 R
مزایا

Range

Measurement range: 0 to 25%

ایکون-دقت

Accuracy

Suitable measurement accuracy using Alphasense UK technology

پروتکل

Protocol

Support for Modbus RTU protocol over RS-485

قابلیت توسعه

Unit

Output in percent

کالیبراسیون

Calibration-Free

No need for calibration and complex processing by the user

i 2 R08

This sensor is suitable for measuring and monitoring oxygen in various environments, including the following:

Server rooms
Data centers
Laboratories
Chemical and petrochemical industries
Greenhouses
Agricultural centers
Cold storage facilities
Food warehouses
Industrial production lines
Research environments
Gas monitoring

i 2 R08
ویژگی های کلیدی

Device Specifications

Sending data via RS‑485
Support for Modbus RTU protocol
Measuring oxygen concentration in percent (%Vol) for connection to various PLC, DCS, RTU, and industrial monitoring systems

Oxygen Sensor Specifications

Sensor type: Electrochemical Oxygen Sensor
Measurement range: 0 to 25% oxygen
Response rate: 10 times per second

Operating temperature: -30 to +55 degrees Celsius

ویژگی های کلیدی

Note: This device provides only the final measured data via the Modbus network, and all required processing to convert the sensor signal into a usable value is performed inside the device.

جهت دریافت تمامی ویدئوهای فعلی و جدیدترین ویدئوهای ضبط شده با موضوعات اتصال و راه اندازی محصول و ارتباط با انواع PLC و HMI کلیک کنید.

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VIDEO

Connecting PLCs to Instrumentation Equipment

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Product-Related Questions

Yes. These sensors can be connected to various computers (regardless of the operating system) using RS-485 to USB converters.

Your technical questions about the product can be sent as text messages (SMS or social media) to the support team, and the technical experts will respond through the same channels. If needed, they will contact you directly.

Sales and Support Team Number:
+989177391091

Yes. Since the device enclosure has an IP66 protection rating against water and dust ingress, this product can be used in outdoor environments. However, it is not recommended to expose it continuously to rain or direct water spray.

Due to the protective cover on the sensor, sudden sprays of non-acidic liquids are repelled and do not cause any damage to the sensor.

Since this sensor communicates via the Modbus protocol with devices such as PLCs, RTUs, and HMIs, you can view the measurements on industrial HMI displays and your personal computer monitor.

Yes. One meter of flexible four-core cable (power + RS-485) with a thickness of 0.25 mm² is included with the product.

Via the Modbus-RTU network

Yes, the sensor’s slave address can be changed via software using Modbus commands.

The components used in this sensor are manufactured in the USA and Switzerland.

Yes, according to Modbus protocol standards, this is possible. For more information and details on how to differentiate sensor data, you can refer to the sensor setup tutorial file.

You can find all tutorials and necessary files on the product page under the “Product Videos” and “Downloadable Files” tabs. Click here.

Some PLCs have an RS-485 port, allowing the sensor to connect directly. However, for PLCs without an RS-485 port, the sensors must be connected via RS-485 expansion cards.

Due to the sensor’s casing material, it cannot be installed directly inside a furnace. However, the company can provide the sensor with a half-meter cable, allowing customers to place the sensor circuitry outside while installing the sensor itself inside the furnace.

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