Modular Sensor
Main features.
1, high performance microprocessor chip
2、High quality brand sensors
3、Temperature compensation correction, strong anti-interference
4, digital UART, analog voltage parallel output
5, accurate calibration, high sensitivity, high resolution
Table of Contents
Product Description
Basic Parameters.
Working voltage:DC5±0.1V
Operating current:<5mA
Signal output: UART output (TTL level, 3V)
Analog voltage (typical range 0.4-3VDC)
Life expectancy: 2 years
Operating environment:Temperature:-20℃~50℃
Humidity:15%~90%RH No condensation
Overall Dimension:φ23.5mm*24.5mm
Main application areas.
1, intelligent agriculture, animal husbandry gas monitoring project
2、Intelligent city, comprehensive pipeline corridor gas monitoring project
3、Intelligent public toilet gas detection project
4, intelligent grain silo gas detection project
5, underground garage gas detection project
6, teaching and research projects, environmental monitoring projects
7、Industrial intelligence gas detection project
8、Intelligent fire, intelligent building, testing instrumentation
| Pin Definition | Functional Description | Range (V) |
| GND | Power ground | 0 |
| GND | Analog Output | 0.4~3.0 |
| VCC | Power supply | 5.0±0.5 |
| VCC | Serial Transmit | TTL Level, 3V |
| RX | Serial Receive | TTL Level, 3V |
Product Specification
Detectable gas types and ranges (partial)
| Gas type | CO | H2S | NH3 | SO2 | VOC/ETO |
| Range | 0-1000ppm | 0-100ppm | 0-100ppm | 0-20ppm | 0-100ppm |
| Resolution | 1ppm | 1ppm | 1ppm | 0.1ppm | 0.1ppm |
| Default Output Voltage | 0.4-3V | 0.4-3V | 0.4-3V | 0.4-3V | 0.4-3V |
| Gas Type | NO2 | NO | HF | PH3 | O3 |
| Range | 0-20ppm | 0-20ppm | 0-50ppm | 0-20ppm | 0-10ppm |
| Resolution | 0.1ppm | 0.1ppm | 0.1ppm | 0.1ppm | 0.1ppm |
| Default Output Voltage | 0.4-3V | 0.4-3V | 0.4-3V | 0.4-3V | 0.4-3V |