CCS811 Metaloxide Air Quality Sensor Module

CCS811 Metaloxide Air Quality Sensor Module
  • Brands CJMCU
  • Product Code:SQ5760
  • Availability: In Stock
  • $23.70
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  • Ex Tax:$23.70
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Tags: Metaloxide Sensor, Air Quality Module, Air Quality Sensor, CO2 Detector, CO2 Sensor, Digital Sensor, Gas Sensor

Description: 
The CCS811 Air Quality Breakout is a digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including equivalent carbon dioxide (eCO2) and metal oxide (MOX) levels for indoor air quality monitoring with a 8-bit microcontroller unit (MCU), which includes an Analog-to-Digital converter (ADC), and an I2C interface.
The onboard CCS811 supports multiple measurement modes that have been optimized for low-power consumption during an active sensor measurement and idle mode extending battery life in portable applications. We have broken out each necessary pin on the CCS811.
This module is stable and predictable behavior regardless of air quality at power-up.
CCS811 is based on ams unique micro-hotplate technology which enables a highly reliable solution for gas sensors, very fast cycle times and a significant reduction in average power consumption. 
CCS811 supports multiple measurement modes that have been optimized for low-power consumption during an active sensor measurement and idle mode extending battery life in portable applications. 

Note: Please be aware that the CCS811 datasheet recommends a burn-in of 48 hours and a run-in of 20 minutes (you must allow 20 minutes for the sensor to warm up and output valid data).

Specifications:
Metal oxide (MOX) sensors for monitoring indoor air quality
An 8-bit MCU is integrated to run the first-level algorithm
Integrated 12-bit ADC for sensor readings and digitized conversions
I2C slave interface can be directly connected to the host system
Reset / interrupt control

Features:
Input Voltage: 1.8V ~ 3.6V
Power Consumption: 1.2mW ~ 46mW
Gas: CO2, VOCs
Output Type: Digital
Operating Temperature: -40°C ~ 85°C
Operating Humidity: 10% ~  95% RH
Interface: I2C
Pin Number: 8 Pins

Modes of Operation:
The CCS811 has 5 modes of operation as follows
• Mode 0: Idle, low current mode
• Mode 1: Constant power mode, IAQ measurement every second
• Mode 2: Pulse heating mode IAQ measurement every 10 seconds
• Mode 3: Low power pulse heating mode IAQ measurement every 60 seconds
• Mode 4: Constant power mode, sensor measurement every 250ms In Modes 1, 2, 3, the equivalent CO2 concentration (ppm) and TVOC concentration (ppb) are calculated for every sample.

Note: Mode 1 reacts fastest to gas presence, but has a higher operating current
• Mode 3 reacts more slowly to gas presence but has the lowest average operating current.

Pinout:
VCC
GND
SCL
SDA
WAK
INT
RST
ADD

Package Include:
1 x CCS811 Digital Gas Sensor Module

Interfaces
Interface Type I2C
Sensor Parameters
Application CO2, VOCs Detector
Output Type Digital
Electrical Parameters
Input Voltage 1.8V ~ 3.6V
Power Consumption 1.2mW ~ 46mW
Board Parameters
Pin Count 8 Pin
Environmental Conditions and Safety
Operating Temprature -40°C ~ 85°C
Operating humidity 10% ~ 95% RH

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