Carbon Dioxide Sensor (CO2 Sensor) - MH-711A
High sensitivity, high resolution, low power consumption, fast response time
Provides multiple output methods such as UART, analog voltage
Temperature compensation, excellent linear output
Excellent stability, long service life
Anti-water vapor interference, non-poisoning
In places with explosive atmospheres formed by mixtures of combustible gases of grades IIA, IIB, IIC and T1-T6 with air in Zone 1 or Zone 2, it can be used with detectors with explosion-proof marks to detect combustible gas concentrations in the environment
Product Introduction
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Carbon Dioxide Sensor (CO2 Sensor) MH-711A Product Description
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The MH-711A carbon dioxide gas sensor is a general-purpose intelligent infrared gas sensor that uses non-dispersive infrared (NDIR) principle to detect carbon dioxide in the air. It has good selectivity, no oxygen dependence, stable performance, and long life; built-in temperature compensation. This sensor is a compact high-performance sensor made by combining mature infrared absorption gas detection technology with micro-machining and sophisticated circuit design.
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Carbon Dioxide Sensor (CO2 Sensor) MH-711ASensor Features
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High sensitivity, high resolution, low power consumption, fast response time
Provides multiple output methods such as UART, analog voltage
Temperature compensation, excellent linear output
Excellent stability, long service life
Anti-water vapor interference, non-poisoning
In places with explosive atmospheres formed by mixtures of combustible gases of grades IIA, IIB, IIC and T1-T6 with air in Zone 1 or Zone 2, it can be used with detectors with explosion-proof marks to detect combustible gas concentrations in the environment
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Carbon Dioxide Sensor (CO2 Sensor) MH-711AMain Applications
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Widely used in industrial field instruments, industrial processes, and safety protection monitoring.
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Carbon Dioxide Sensor (CO2 Sensor) MH-711ATechnical Specifications
| Product Model | MH-711A |
| Detected Gas | Carbon Dioxide |
| Operating Voltage | 4.5～5.5V DC |
| Average Current | < 100 mA |
| Interface Level | 3.3V |
| Measurement Range | Selectable within 0~5%VOL (see Table 2 for details) |
| Output Signal | IIC |
| 0.4～2V | |
| Warm-up Time | 3min |
| Response Time | T90 < 30s |
| Operating Temperature | -40～70℃ |
| Operating Humidity | 0~95%RH (non-condensing) |
| Dimensions | Φ44×61mm |
| Weight | 350g |
| Life | >5 years |
| Explosion-proof Mark | Ex d ⅡC T6 Gb |
| Protection Level | IP65 |
