WH45 5-in-1 Air Quality Sensor
Order Me In, Once ordered this item will likely dispatch before the 10th of October 2025, call 1300 737 871 (NZ 0800 737 871) to confirm.
The ECOWITT WH45 5-in-1 PM2.5, PM10, CO₂, temperature and humidity air quality sensor. Features as a standalone particle detection sensor - Measures indoor PM2.5, PM10, CO2 concentration, Temperature and Humidity...
$591.23 AUD Inc. GST



The ECOWITT WH45 5-in-1 PM2.5, PM10, CO₂, temperature and humidity air quality sensor.
Features as a standalone particle detection sensor
- Measures indoor PM2.5, PM10, CO2 concentration, Temperature and Humidity every 60 seconds when powered with USB or detecting every 10 minutes when powered with batteries only.
- USB connection for indoor use only
- CO2 value calibration function available on the device
- PM2.5 value Calibration function available when paired with GW1000/HP2551/HP3500/HP3501
- Long wireless range, up to 300 feet (100 meters) in open areas
Features when paired with a GW1000 Wi-Fi Gateway
- Monitor live sensor data on the Live Data page of the WS View app (requires the gateway and your phone using the same Wi-Fi network)
- Displays current PM2.5 / PM10 concentration/AQI and 24H AQI and air quality level index on the Live Data page of the WS View app
- Displays current CO2 concentration and 24H average CO2 concentration on the Live Data page of the WS View app
- Displays temperature and humidity data where the sensor located
- Calibration function available for PM2.5 value
Features when paired with a Weather Station Console (HP2551/HP3500/HP3501)
- The PM2.5, PM10 and CO2 data automatically scrolls displaying on the screen every 5 seconds
- Calibration function available for PM2.5 value
Features when uploaded to Ecowitt Weather Server
- View current sensor data & history records & graph on the website
- Set and receive email alerts from the server
- Remote monitoring with smart phone, laptop, or computer by visiting the website
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In less than 3 business hours you will have an answer from our expert scientists.
Our Australian experts have access to a huge range of products from national and international suppliers.
If for any reason you have trouble using this form please email the following address and your enquiry will still receive a response from a scientist within 3 business hours: scientists@instrumentchoice.com.au