Can be widely applied to fields like portable devices, air quality monitoring devices, industries, mines, warehouses, and other spaces where the air is not easy to circulate.
The probe adopts the electrochemical principle, has the characteristics of strong anti-interference ability, high stability, high sensitivity, etc., and the service life is as long as two years. The sensor has 32 modifiable I2C addresses, an integrated temperature compensation algorithm, and a threshold alarm function, It has good compatibility with mainstream main control devices such as Arduino, ESP32, and Raspberry Pi. The easy-to-use Gravity interface, coupled with our sample code, can quickly build an oxygen concentration detector.
Features
Factory calibrated, accurate measurement
High sensitivity, low power consumption
New condition .
Excellent stability and anti-interference
Three output modes: I2C, UART and analog
Long service life(2 years)
Compatible with 3.3~5.5V main controllers
32 modifiable I2C addresses
Reverse connection protection
Temperature compensation
Threshold alarm
Specification
| Detection Gas | CO, O2, NH3, H2S, NO2, HCL, H2, PH3, SO2, O3, CL2, HF(Need to change different probe) |
| Working Voltage | 3.3～5.5V DC |
| Working Current | <5mA |
| Output Signal | I2C, UART output (0~3V), analog voltage (see the characteristic parameters of specific probe) |
| Working Temperature | -20～50℃ |
| Working Humidity | 15～90%RH (non-condensing) |
| Storage Temperature | -20～50℃ |
| Storage Humidity | 15～90%RH (non-condensing) |
| Lifespan | >2 years (in the air) |
| Adapter Plate Size | 37×32mm |
HCL Sensor (Calibrated) – I2C & UART
| GAs detections | HCL |
| Detections range | 1-10ppm |
| Resolution | 1.1ppm |
| Response time | ≤60S |
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