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Monitor and protect your indoor air environment

The first-of-their-kind fine dust sensors from Siemens are specifically designed to monitor and control air pollution in offices and other indoor spaces. The sensors complement existing Siemens HVAC applications for a healthy indoor climate.

QSA2700Fine dust sensor, 0-10V & Modbus
Room sensor for detection of PM2.5 and PM10

Technical Specifications
Operating voltage: AC/DC 24 V
Connection cable: Micro USB
Analog outputs: DC 0…10 V
Display: 3-color LED service indication
Communication: Modbus RS485

QSA2700DFine dust sensor +display, 0-10V, Modbus
Room sensor with LCD display for detection of PM2.5 and PM10

Technical Specifications
Operating voltage: AC/DC 24 V
Connection cable: Micro USB
Analog outputs: DC 0…10 V
Display: 2.4-inch color LCD screen for PM2.5
Communication: Modbus RS485