




Overview
Square Air is built around a metal-oxide gas sensor that detects a broad mix of volatile organic compounds from materials, activities and people. From it the sensor derives an indoor air quality index (IAQ), a breath-VOC value and a CO₂ equivalent, alongside ±0.2 °C temperature, humidity, barometric pressure and ambient light.
That makes it a better guide to ventilation than a CO₂ number alone. It also senses smoke, though it is not a certified fire alarm. The CO₂ value is an estimate derived from breath-related gases; for measured CO₂ there is Square CO2 in the same housing. The 6,000 mAh battery lasts about 6–7 years with continuous measurement, and about 12 years when it measures in extended office hours only (06:00–20:00, Monday to Friday). Mount with the integrated adhesive or the optional screw kit.
Specifications
- Sensors
- IAQ index, bVOC and CO₂ equivalent (gas sensor), temperature, humidity, air pressure, ambient light
- Temperature accuracy
- ±0.2 °C
- Humidity accuracy
- ±3 % RH
- Light range
- 1–65,000 lux
- Protocol
- LoRaWAN 1.0.4, Class A, OTAA
- Frequency
- EU868 · US915 · AU915 · AS923-1 · AS923-2 · KR920 · IN865
- Configuration
- NFC (Android) and over the air; alternative VSM apps through the Hugin app or over LoRaWAN
- Positioning
- 2.4 GHz Wi-Fi geopositioning via cloud service
- Battery
- Built-in LiMnO₂, 6,000 mAh: about 6–7 years measuring continuously, about 12 years measuring 06:00–20:00 Mon–Fri
- IP rating
- IP30, indoor
- Operating temp
- –20 to +60 °C
- Dimensions
- 58 × 58 × 15 mm
- Weight
- 65 g
- Mounting
- Adhesive, or optional screw mounting kit
Key features
- ✓How air actually behaves: The gas sensor picks up the VOCs a CO₂ sensor misses, from cleaning agents, materials and people.
- ✓Air quality, climate and light in one device: IAQ, bVOC, CO₂ equivalent, temperature, humidity, pressure and light.
- ✓Ventilation on evidence: Drive ventilation from air quality instead of the clock, with one rule in Yggio.
Zubehör
- Square screw mounting kit: Zwei Klebeplatten, um jeden Square-Sensor dort zu verschrauben, wo Klebeband nicht ausreicht — hinter dem Gerät oder daneben. Details