Room Comfort Sensor - Technical Specifications

The Room Comfort Sensor is a compact indoor environmental monitoring sensor for measurement of temperature, humidity, light, CO2 concentration, and TVOC. 

Room Comfort Sensor provides the following key features:

  • Display the meeting room's environment data on the E-ink screen in real-time.
  • Sync the detected data to Yeastar Workplace web portal and Yeastar Room Display via LoRaWAN® network automatically.
  • Multiple display modes and clear emoticon to easily understand the comfort levels via the screen.

Technical specifications

Item Introduction
Measurement Temperature Range -40°C - 85°C
Accuracy ± 1°C
Resolution 0.1°C
Humidity Range 0% - 100% RH
Accuracy ± 3%
Resolution 0.5% RH
Light Range 0-60000 Lux (Determine as 6 levels, 0-5)
TVOC Range 0-500 (IAQ Index)
Accuracy ±15%
Carbon Dioxide (CO2) Range 400 - 5000 ppm
Accuracy ± (30 ppm, 3% of reading)
Resolution 1 ppm
Display & Configuration Display 4.2-inch Black & White E-Ink Screen
Button 1 × Power Button + 1 × Reset Button
LED & Buzzer 1 × Traffic Light Status Indicator + 1 × Buzzer
Configuration Mobile App via NFC
Data transmission Protocol LoRaWAN®
Frequency CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class A
Power Power Supply 4 × 2700 mAh ER14505 Li-SOCl2 Chargeable Batteriesor Type-C Port
Battery Life Around 3 Years (10 min interval)
Installation On the flat surfaces with screws or 3M tapes
Dimension & weight Dimension 100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in)
Environmental conditions Operating Temperature -20°C - 60°C (E-Ink Screen: 0°C - 40°C)
Relative Humidity 10% - 90% (non-condensing)