Useful life is the time from installation until the point when the sensor can no longer be remotely calibrated.
The sensors supplied with your AQY 1 / AQY R are intended to provide trouble-free operation during the useful life of its sensors, subject to geographical location.
| WHO annual average PM10 (ug/m3) | Example cities | Useful AQY 1 / AQY R life (months) |
|---|---|---|
| 0 - 50 | Sydney, Los Angeles, London, Hong Kong, Berlin, Singapore, Sao Paulo, Tokyo, Moscow | 10 - 14 |
| 51 - 100 | Seoul, Bangkok, Istanbul, Shanghai, Johannesburg | 8 – 12 |
| 101 – 150 | Beijing, Medina, Kuwait, Lagos | 6 – 10 |
| 151 - 200 | Delhi, Mumbai | 4 – 8 |