Table of Contents Gas leaks pose serious dangers in residential environments, including potential fire hazards, explosions, and adverse health effects. This article provides a
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Carbon Monoxide Sensor
RS-CO-*-2-T carbon monoxide sensor is an industrial gas sensor, which is mostly used in industries, buildings, mines, and other places. The co sensor measuring range is 0-1000ppm and 0-2000ppm for optional, other ranges can be customized. The output mode of this co sensor is 0-5v, 0-10v, 4-20ma, rs485. The carbon monoxide sensor price:
- Model: RS-CO-*-*-*-2-T
- MOQ: 1 PCS
- Delivery date: within 24 hours
- Price: $37.3~$41.5
About - Carbon Monoxide Sensor
Our industrial-grade carbon monoxide sensor features a built-in electrochemical carbon monoxide sensor that delivers high measurement accuracy. Carbon monoxide gas is relatively light and typically accumulates at the top of the air. This sensor is wall-mounted, with an adjustable installation height. The housing is made of high-strength, waterproof, and dustproof materials, allowing it to operate reliably in harsh environments. When used with our free cloud platform, it enables centralized monitoring across multiple locations.
Wall mounted CO sensor
RS-CO-*-*-*-2-T wall-mounted carbon monoxide sensor features a waterproof housing and is easy to install. The default measurement range is 0-1,000 ppm, with an optional 0-2,000 ppm range available. The measurement range can also be customized to meet customer requirements. It offers high measurement accuracy, with an error margin of within ±10% and repeatability within 2%. A high-quality OLED display is available as an option for real-time on-site data viewing. The RS485-output carbon monoxide sensor can be integrated with internal temperature and humidity sensors to enable simultaneous monitoring of temperature, humidity, and CO. We offer customization and secondary development services tailored to your specific applications. This CO sensor supports 10-30 V DC power supply and is compatible with a variety of on-site power sources. This IoT carbon monoxide sensor is suitable for underground parking lots, garages, workshops, closed living spaces, and other occasions where the concentration of carbon monoxide needs to be detected.
Wall mounted CO sensor parameters
| Power supply | 10~30V DC |
|---|---|
| Average power consumption | 0.18W |
| CO measure range | 0-1000ppm (default), 0-2000ppm |
| CO accuracy | ±5ppm or ±10% |
| CO resolution | 1ppm |
| Zero drift | ±3ppm |
| Working environment | -20~50℃, 15~90%RH non-condensing |
| Stability | ≤2% signal value/month |
| Response time | ≤30s |
| Warm-up time | ≥5min |
| Repeatability | ≤2% |
| Pressure range | 90~110kPa |
| Output signal | RS485/4-20mA/0-5V/0-10V |
Duct mounted CO sensor
The RS-CO-*-2FL-*-T Duct-Mounted Carbon Monoxide Sensor is specifically designed to measure CO gas concentrations in enclosed ducts. It features a waterproof housing and is flange-mounted. Thanks to our company’s proprietary compensation algorithm and multi-point calibration with standard gases, it offers a long service life, high accuracy, and excellent stability. Its anti-interference circuit design enables it to withstand various forms of electromagnetic interference, such as that from on-site variable frequency drives. The only difference from the wall-mounted CO sensor is its appearance; for specific product specifications, please refer to the wall-mounted CO sensor. The price of a ducted carbon monoxide sensor with display is $62.
FAQ - CO Sensor
1. What are the hazards of CO gas?
Carbon monoxide (CO) is a colorless, odorless, and non-irritating toxic gas primarily produced by the incomplete combustion of fuels. Since it cannot be detected by human senses such as sight, smell, or taste, it poses a significant risk when inhaled. CO rapidly binds with hemoglobin in the blood to form carboxyhemoglobin, which inhibits the blood’s ability to carry oxygen. This can lead to tissue hypoxia. Exposure to low concentrations may cause symptoms such as headaches and nausea, while higher concentrations can result in unconsciousness or even death. The risk is especially high in enclosed or poorly ventilated environments.
2. What are the main sources of carbon monoxide gas?
In daily life, devices such as gas or liquefied petroleum gas (LPG) water heaters, coal stoves, and charcoal heating equipment can easily emit carbon monoxide (CO). In kitchens, gas stoves may also release small amounts of CO when combustion is incomplete. In the transportation sector, vehicle exhaust is a major source of CO in urban areas. In industrial, facilities such as boiler rooms, smelting furnaces, incinerators, gas plants, and chemical processing areas often rely heavily on carbon-based fuels. Incomplete combustion in these settings can result in significant CO production.
3. Why is It necessary to install a carbon monoxide sensor?
Because carbon monoxide (CO) is imperceptible to human senses, CO poisoning incidents often occur suddenly and with severe consequences. Installing a carbon monoxide sensor is one of the most effective measures for preventing such accidents. These sensors continuously monitor the ambient CO concentration and trigger an alarm when levels exceed safety thresholds, prompting personnel to evacuate and implement emergency measures in a timely manner.
4. What is the working principle of a carbon monoxide sensor?
Mainstream carbon monoxide (CO) sensors primarily operate based on electrochemical principles. When CO gas passes through a diffusion membrane into the sensing chamber, it reacts with the electrodes to generate an electric current. The magnitude of this current is directly proportional to the concentration of CO in the environment. This sensing method offers high accuracy, strong stability, and excellent anti-interference performance, making it particularly suitable for high-reliability monitoring scenarios such as underground parking garages and industrial sites.
5. How to wire this carbon monoxide sensor?
RS485 Output:
Brown wire: Connect to the positive power supply.
Black wire: Connect to the negative power supply.
Yellow wire: Connect to 485-A.
Blue wire: Connect to 485-B.
Analog Output:
Brown wire: Connect to the positive power supply.
Black wire: Connect to the negative power supply.
Blue wire: Connect to the positive CO signal.
Green wire: Connect to the negative CO signal.
6. What to do when an alarm is triggered?
When an alarm is triggered, the following actions should be taken immediately:
Quickly open doors and windows to ventilate the area.
Evacuate all personnel to a safe outdoor location.
Turn off all suspicious combustion devices or gas sources.
Call emergency services and seek professional assistance.
Wait for the CO concentration to decrease before re-entering the area.
Never underestimate the alarm or attempt to handle the leak source by yourself.
7. What are the safety concentration standards for carbon monoxide?
According to the World Health Organization (WHO) and national standards:
The 8-hour average exposure concentration should not exceed 9 ppm.
The 1-hour exposure concentration should not exceed 35 ppm.
When CO concentration reaches 50 ppm or higher, long-term exposure can pose a serious health risk. Industrial or specialized industry standards may be more stringent and should be set according to the specific application scenario.
8. Where should a carbon monoxide sensor be installed?
The installation location of the sensor significantly impacts its detection effectiveness. It is generally recommended to install the sensor 1.5 to 2 meters above the ground, close to combustion equipment or potential leakage sources. Avoid installing the sensor near ventilation openings, air conditioning vents, or in areas with high humidity or heavy oil fumes.
For residential environments, it is recommended to install the sensor between the bedroom and kitchen. In industrial environments, a distributed installation strategy should be employed to ensure comprehensive coverage for monitoring.
9. Can the carbon monoxide sensor be connected to a cloud platform for remote monitoring?
Yes, it can. Renke’s carbon monoxide sensors can be integrated with our self-developed cloud platform, enabling remote access to real-time data, historical analysis, and SMS alerts for exceeding threshold limits. This provides users with digital and intelligent monitoring capabilities.
10. Can multiple sensors form a complete gas monitoring system?
Yes, they can. Renke offers comprehensive gas monitoring solutions that connect multiple sensors through gateway devices and platform systems, enabling centralized management, regional alerts, and interlocking control (such as activating exhaust systems or shutting off gas valves).
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