Products
CO2 Sensor
Detect CO2 in the air using the non-dispersive infrared (NDIR) principle
Application:
Smart HomeProduct characteristics:
High sensitivity, low power consumptionDescription
TX-Z19D carbon dioxide gas sensor (hereinafter referred to as sensor) is a general intelligent small sensor, which uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air. It has good selectivity, no oxygen dependence, long life, etc.; built-in temperature compensation; serial port output, PWM output, easy to use. This sensor is a high-performance sensor made by combining mature infrared absorption gas detection technology with precise optical path design and excellent circuit design.
Specifications
| Product model | TX-Z19D |
| Detection gas | CO2 |
| Supply voltage | DC(5.0±0.1)V |
| Average current | <40mA(@5V power supply) |
| Peak current | 125mA(@5V power supply) |
| Interface level | 3.3V(Compatible with 5V) |
| Detection range | 400~10000ppm(optional, see as follows) |
| Output signal | UART(TTL level, 3.3V) PWM |
| Warm-up time | 1 min |
| Response time | T90<120s |
| Working temperature | 0~50℃ |
| Working humidity | 0~95%RH（no condensation） |
| Storage temperature | -20~60℃ |
| Weight | 5 g |
| Lifespan | >5 years |
Common range and accuracy
| Gas name | Molecular formula | Detection range | Resolution | Accuracy |
| carbon dioxide | CO2 | 400-2000ppm | 1ppm | ±(50ppm+5% reading value) |
| 400-5000ppm | ||||
| 400-10000ppm |
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