Overview
BL27-KG is a general-purpose and miniaturization electrochemical carbon monoxide detection module. It utilizes electrochemical principle to detect CO in air which makes the module with high selectivity and stability. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. It is a combination of mature electrochemical detection principle and sophisticated circuit design.
Key Features
Supply different output ways: UART, analog voltage, etc.
Applications
For residential occasions to detect CO concentration, smart home.
Technical Specifications
| Model No. | BL27-KG |
| Detection gas | Carbon Monoxide(CO gas) |
| Interfering gases | Alcohol, etc. |
| Output data | UART output |
| Working voltage | 5V (DC) |
| Working current | <5mA |
| Preheating time | 30 seconds |
| Response time | ≤30 seconds |
| Recovery time | ≤30 seconds |
| Detection range | 0~500ppm |
| Resolution | 1ppm |
| Working temperature | -10°C~55°C |
| Working humidity | 15%RH-90%RH(no condensation) |
| Storage temperature | -10°C~55°C |
| Life span | 2 years(in air) |





