Products | KET-AIR-210

ModBUS sensor for indirect CO2 and air quality measurement

Considering that people spend up to?90% of their time indoors, the presence of?gaseous pollutants, particularly?Volatile Organic Compounds (VOCs), is significantly higher compared to open spaces. In high-density environments such as offices, schools, hospitals, and other?public premises, especially in modern buildings characterized by?poor air exchange, there is an increase in the concentration of?carbon dioxide (CO2)?produced by human activity. 

These negative indoor environmental conditions can significantly impact?people's well-being, contributing to health problems,?decreased concentration, and reduced?productivity

The?KET-AIR-210?device uses an indirect method of measuring?CO2?based on a?MOX technology sensor, which estimates the amount of carbon dioxide by detecting the hydrogen concentration. Combined with a sensor dedicated to measuring?Volatile Organic Compounds (VOCs), the KET-AIR-210 allows for the implementation of effective measures to increase and improve?ventilation efficiency?and?air purification, creating healthier and more comfortable indoor environments. 

The?KET-AIR-210?also integrates high-precision sensors for measuring?Temperature,?Relative Humidity, and?Ambient Light, and is equipped with an?RS485 ModBUS RTU Slave?interface, facilitating integration with control and data acquisition systems. 

The?KET-AIR-210.DY version?is equipped with a?zero-power e-ink display?that provides users with detailed information on the level of?thermal comfort?present in the environment, ensuring?optimal and continuous reading?of the detected parameters with?minimal energy consumption

The?KET-AIR-210.TS version?allows the user to?set the desired comfort level, further personalizing the indoor environment. 

Designed for easy integration into building management and energy management systems (BMS / BEMS), the device offers a?simple user interface, facilitating the monitoring and control of air quality and environmental parameters. Suitable for use in public environments, it includes?keypad lock?and?limitation of active functions, ensuring safe and controlled use.

GENERAL SPECIFICATIONS
Protection Range IP40
Operative Temperature -10 ÷ +60 °C
Storage Temperature -15 ÷ +60 °C
Relative Humidity MAX 80% not condensing
CASE
Dimensions 100 x 100 x 22.5 mm (W x H x D)
Mounting Panel mounting with supplied supports
Material ABS, self extinguishing: UL 94 V-O
POWER SUPPLY
Supply Voltage 5 ÷ 12 VDC
Connectors types Removable spring clamps
DATALOGGER FUNCTION
Memory Type Internal Flash (only for .DL version)
Data Storage Capacity Retention of more than 60,000 data with date and hour even if there is no connection
RS485 INTERFACE
Supported Protocols ModBUS RTU Slave
Communication Rate 9.6, 19.2, 38.4 o 57.6 Kpbs
Connectors types Removable spring clamps
FUNCTIONALITY
User menu Thermostat function with temperature summer / winter mode, comfort / saving / off mode, air speed setting, (only .TS version)
Support for public environment Anti-removal support, keyboard lock and active function limitation
TEMPERATURE SENSOR
Sensor Type Digital
Measure Range -40 ÷ +123.8 °C
Precision ±0.4 ÷ 25 °C
Repeatability ±0.1 °C
Resolution ±0.01 °C
HUMIDITY SENSOR
Measure Range 0 ÷ 100%RH
Precision ±3%RH from 20 to 80%RH
Repeatability ±0.1%RH
Resolution ±0.03%RH
Hysteresis ±1%RH
Long Period Stability <0.5%RH/year
LIGHT SENSOR
Number of sensors 2, on front and on top
Measure Range 10 ÷ 1000 Lux
Response Curve Similar to that of the human eye
VOLATILE ORGANICS COMPOUNDS SENSOR
Measure Range 0 ÷ 60000 ppb
Accuracy ±15% ppb
Resolution ±0.2% ppb
CO2 SENSOR
Principle of Operation Indirect
Measure Range 400 ÷ 60000 ppm
Accuracy ±10% ppm
Resolution ±0.2% ppm

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ModBUS sensor for indirect CO2 and air quality measurement
KET-AIR-210

ModBUS sensor for indirect CO2 and air quality measurement

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