CHESTER Clime IAQ
Ensure healthy indoor environments and meet ventilation standards with continuous air quality monitoring - CO2, VOCs, temperature, humidity, and pressure in one device.
Product Overview
Use Cases
Office & Workplace Health
Boost employee productivity and reduce sick days. Continuous CO2 monitoring drives smarter ventilation - so your team breathes better and works better.
School & Public Building Compliance
Stay ahead of IAQ regulations without manual checks. Documented, continuous air quality data for schools, hospitals, and public spaces - ready for any audit.
Construction & Building Commissioning
Prove your HVAC delivers what was specified. Objective air quality data during handover and post-occupancy validates system performance and resolves disputes.
Warehouse & Storage Facilities
Protect sensitive inventory and keep workers safe. Continuous monitoring of temperature, humidity, and air quality in storage areas prevents damage and ensures compliance.



Office & Workplace Health
Boost employee productivity and reduce sick days. Continuous CO2 monitoring drives smarter ventilation - so your team breathes better and works better.
School & Public Building Compliance
Stay ahead of IAQ regulations without manual checks. Documented, continuous air quality data for schools, hospitals, and public spaces - ready for any audit.
Construction & Building Commissioning
Prove your HVAC delivers what was specified. Objective air quality data during handover and post-occupancy validates system performance and resolves disputes.
Warehouse & Storage Facilities
Protect sensitive inventory and keep workers safe. Continuous monitoring of temperature, humidity, and air quality in storage areas prevents damage and ensures compliance.
"Our tenants used to complain about air quality constantly. Now we have the data to act proactively - and the complaints have stopped."
Technical Specifications
- Thermometer measurement range
- -20 to +80 °C
- Thermometer accuracy
- ± 0.2 °C (from 0 to 65 °C)
- Hygrometer measurement range
- 0 to 100%
- Hygrometer accuracy
- ± 2% (from 10 to 90%)
- CO2 sensor measurement range
- 0 to 10 000 ppm
- CO2 sensor accuracy
- ± 50 ppm CO2 ± 3%
- Barometer pressure range
- 20 kPa to 110 kPa
- Barometer accuracy
- ± 0.4 kPa
- Barometer altitude range
- -698 to 11,775 m
- Luxmeter measurement range
- 0.01 to 83 000 lux
- Luxmeter accuracy
- ± 0.2%
- PIR sensor detection range
- 5 m
- PIR sensor detection angle
- 98° (horizontally and vertically)
- Nominal battery voltage
- 3.6 V
- Nominal battery capacity
- 2 000 mAh
- Operating voltage range
- 2.0 V to 5.0 V
- Idle power consumption
- < 180 μA
- Peak power consumption
- < 250 mA
- Operating temperature
- -30 to +70 °C
- Storage temperature
- -40 to +85 °C
- Dimensions
- 130×175×45 mm
Deploy in Days, Not Months
CHESTER Clime IAQ is a complete solution - hardware, connectivity, and cloud included. No multi-vendor integration, no lengthy development cycles.
Or call directly: +420 775 159 734