The E-mail has been sent!

Something went wrong!
Products > YO Ambience
YO Ambience
Enclosure type • IP40, UL94-V0
Band • EU868, US915, AU915, AS923
Certificate CE
quote request


YO Ambience is a compact indoor ambience monitoring device designed to measure temperature, humidity, illuminance, and CO2 levels. It also has an infrared presence sensor, which is equipped with an occupancy counter algorithm, enabling it to count the passes of people to the room where the sensor is located. Intended for use in offices, stores, classrooms, hospitals, and more, the YO Ambience device provides valuable insights into indoor conditions and occupancy of the room.

The YO Ambience device is an ideal solution for assessing and maintaining optimal indoor environments, enhancing occupant comfort, productivity, and overall well-being. Additionally, it is a wireless battery-operated device.

Key features

  • One device to monitor indoor conditions: temperature, humidity, illumination, CO2 concentration and occupancy
  • CO2 sensor and temperature sensor can be calibrated
  • Compact enclosure
  • Battery-powered
  • Long battery life
  • A compact, small enclosure for easy installation
  • Versatile applications: the device is intended for use in various settings, including offices, stores, classrooms, hospitals, and more, making it versatile for different indoor environments.
  • Supported LoRaWAN network type: private or public and connection over ABP or OTAA
  • ISM band selectable for regional needs (EU868, US915, AU915, and AS923)
  • Configuration over Bluetooth Low Energy 5.0
  • Firmware update over BLE
  • Yosensi Configuration Web Tool for convenient firmware updates and device configuration
  • Wide network coverage and low energy consumption
  • High-quality product made in the EU

Sample charts of collected data



Tx Power: • LoRa EU868: to +14 [dBm]
• LoRa US915, AU915, AS923: to +22 [dBm]
• Bluetooth Low Energy (BLE): -20 to +6 [dBm]
Power supply: • 3 × AA battery (3 x 1,5 V)
Power consumption: • Maximum: 120 mA (4,5 VDC)
Weight: • 82,5 g


Dimensions: • Height: 25,5 mm
• Width: 86 mm
• Depth: 86 mm
Colour: White
Installation: • Horizontal
• Vertical (can be screwed to the wall or ceiling)
Enclosure material: ABS (FR)
Level of protection: IP40, UL94-V0

Sensor measuring range


Measurement range: –40°C to 125°C (-40°F to 257°F)
Accuracy: ±0,2°C (at temperatures between 5°C and 60°C (41°F to 140°F))

Relative humidity:

Measuring range: 0% to 100%
Accuracy: ±2% (relative humidity from 20% to 80%)


Measuring range: 0 ppm to 40 000 ppm
Recommended working conditions: -10 - 60 °C (14°F to 140°F) / from 0% RH to 95% RH Accuracy of
Measurements: ±(40 ppm+5%) (in the measuring range from 400 ppm to 5000 ppm)


Measuring range: 0 lx to 120 klx
Recommended working conditions: -25°C to 85°C (-13°F to 185°F)
Accuracy: 10% (in temperature 25°C (77°F)

Infrared presence sensor:

Measuring range: 0 to 6 meters, 80° field of view
Accuracy: 99%


Mobile App