Air Quality Index
AQI Reference
| Level |
Description |
Suggestion |
Recommended Stay Time |
| 5 |
Extremely bad |
In unavoidable circumstances, please strengthen ventilation |
Not recommended to stay |
| 4 |
Bad |
Strengthen ventilation, find sources of pollution |
Less than one month |
| 3 |
Moderate |
Strengthen ventilation, close to the water source |
Less than 12 months |
| 2 |
Good |
Maintain adequate ventilation |
Suitable for long-term living |
| 1 |
Excellent |
No suggestion |
Suitable for long-term living |
eCO2/CO2 Concentration Reference
| eCO2/CO2 |
Level |
Result/Suggestion |
| 21500 |
Terrible |
Indoor air pollution is serious/Ventilation is required |
| 1000-1500 |
Bad |
Indoor air is polluted/ Ventilation is recommended |
| 800-1000 |
Moderate |
It is OK to ventilate |
| 600-800 |
Good |
Keep normal |
| 400-600 |
Eexcellent |
No suggestion |
TVOC Concentration Reference
| TOVC (ppb) |
Effects on Human Health |
| >6000 |
Headaches and nerve problem |
| 750-6000 |
Restless and headache |
| 50-750 |
Restless and uncomfortable |
| <50 |
No effect |
Library
Communication Protocol Description
- Communication Mode: I2C
- I2C Address: 0x53
API Description
/**
* @fn setPWRMode
* @brief Set power supply mode
* @param mode Configurable power mode:
* @n ENS160_SLEEP_MODE: DEEP SLEEP mode (low power standby)
* @n ENS160_IDLE_MODE: IDLE mode (low-power)
* @n ENS160_STANDARD_MODE: STANDARD Gas Sensing Modes
* @return None
*/
void setPWRMode(uint8_t mode);
/**
* @fn setINTMode
* @brief Interrupt config (INT)
* @param mode Interrupt mode to be set, perform OR operation on the following to get mode::
* @n Interrupt occur when new data appear in DATA_XXX register (new measured data can be obtained): eINTModeDIS, Disable interrupt; eINTModeEN, Enable interrupt
* @n Interrupt pin output driving mode: eINTPinOD, Open drain; eINTPinPP, Push pull
* @n Interrupt pin active level: eINTPinActiveLow, Active low; eINTPinActiveHigh, Active high
* @return None
*/
void setINTMode(uint8_t mode);
/**
* @fn setTempAndHum
* @brief Users write ambient temperature and relative humidity into ENS160 for calibration and compensation of the measured gas data.
* @param ambientTemp Compensate the current ambient temperature, float type, unit: C
* @param relativeHumidity Compensate the current ambient humidity, float type, unit: %rH
* @return None
* @return None
*/
void setTempAndHum(float ambientTemp, float relativeHumidity);
/**
* @fn getENS160Status
* @brief This API is used to get the sensor operating status
* @return Operating status:
* @n eNormalOperation: Normal operation;
* @n eWarmUpPhase: Warm-Up phase;
* @n eInitialStartUpPhase: Initial Start-Up phase;
* @n eInvalidOutput: Invalid output
*/
uint8_t getENS160Status(void);
/**
* @fn getAQI
* @brief Get the air quality index calculated on the basis of UBA
* @return Return value range: 1-5 (Corresponding to five levels of Excellent, Good, Moderate, Poor, and Unhealthy)
*/
uint8_t getAQI(void);
/**
* @fn getTVOC
* @brief Get TVOC concentration
* @return Return value range: 0–65000, unit: ppb
*/
uint16_t getTVOC(void);
/**
* @fn getECO2
* @brief Get CO2 equivalent concentration calculated according to the detected data of VOCs and hydrogen (eCO2 – Equivalent CO2)
* @return Return value range: 400–65000, unit: ppm
* @note Five levels: Excellent(400 - 600), Good(600 - 800), Moderate(800 - 1000),
* @n Poor(1000 - 1500), Unhealthy(> 1500)
*/
uint16_t getECO2(void);
Other Supplementary Information
