CO Sensor

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Electrochemical Carbon Monoxide Sensor, 0-500ppm/0-1000ppm

SUCH-COS-ACM2000
● 0-500ppm/0-1000ppm ● 3-electrode electrochemical ● 1 ppm resolution ● 2000ppm upper measurement limit
$52.22

Carbon Monoxide Gas Sensor with MEMS, 5-5000ppm

SUCH-COS-702B
● 5ppm-5000ppm CO ● MEMS process ● ≤24V DC loop voltage ● Load resistance adjustable
$30.03

CO Transmitter with OLED Display, 0-1000ppm/0-2000ppm

SUCH-COS-300OLED
● 0-1000ppm, 0-2000ppm ● With OLED screen ● RS485, 4-20mA, 0-5V, 0-10V ● 1ppm CO resolution
$98.24

Industrial CO Sensor, 0-1000ppm

SUCH-COS-FS4ECO
● 0-1000ppm ● 2000ppm (Max) ● 0mV bias voltage ● 0.5ppm CO resolution
$73.18

Portable CO Gas Sensor, 3 Electrode, 0-500ppm

SUCH-COS-ACM3100
● 0-500ppm ● 3 electrode ● 2000ppm upper limit ● 1ppm CO resolution
$166.18

CO Sensor Module, 0-500ppm, UART Output

SUCH-COS-ZE07
● 0-500ppm ● UART/voltage output ● 5V~12V working voltage ● 0.1ppm CO resolution
$67.12

Smart Carbon Monoxide Sensor, 0-999ppm

SUCH-COS-24E
● 0-999ppm, EU plug ● CO, temp & humidity, flammable gas ● Input: 100~240V 50/60Hz ● GAS Lv1–4 Lv4 (15% LEL)
$70.29

Wireless Carbon Monoxide Sensor, 0-1000ppm

SUCH-COS-S01
● 0~1000ppm (±10%) ● 50ppm default alarm rang ● 3.7V, 1000mA battery ● DC 5V~24V Type-C input
$89.59

CO Detection Sensor, 0-300ppm, RS485/0-10V

SUCH-COS-CODS
● 0-300ppm ● Electrochemical detection ● Relay output, RS485, 0-10VDC ● 24V DC/AC power input
$315.29

Carbon monoxide (CO) sensors are a type of highly sensitive safety sensor designed to detect CO concentrations in the air. They are primarily used in boiler rooms, underground parking garages, tunnels, gas equipment rooms, industrial workshops, home safety monitoring, and around various combustion equipment. Carbon monoxide is colorless and odorless; even trace leaks can pose a life-threatening danger. Therefore, high-precision, rapid-response CO sensors are critical for risk prevention.

Such.com offers a comprehensive selection of industrial-grade and consumer-grade CO sensors, including electrochemical CO modules, portable CO detectors, and RS485/4–20mA output sensors with smart communication capabilities. Each model features high sensitivity, rapid response, minimal zero drift, and strong anti-interference performance, maintaining stable readings across varying temperatures, humidity fluctuations, and complex air compositions. Suitable for long-term continuous monitoring, they can also integrate with smart building systems to enable automatic exhaust, alarm linkage, and other functions.

Every product in the SUCH CO sensor catalog offers multiple range options to meet diverse needs from home safety to industrial high-concentration monitoring. Sensors can be selected as required and support periodic calibration to maintain long-term accuracy. For intelligent monitoring scenarios, we also provide sensor models compatible with data integration systems, enabling remote monitoring, data logging, and trend analysis.