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Table 1 Measurements of performance characteristics of the sensor devices

From: Unsupervised outlier detection for time-series data of indoor air quality using LSTM autoencoder with ensemble method

Sensor type

Detection range

Method

TVOC

0–60,000 ppb

Semiconductor

CO2

400–60,000 ppm

PM 2.5

1–1000 \({\upmu }\text{g}\)/m3

Optical

PM 10

1–1000 \({\upmu }\text{g}\)/m3

CH2O

0–5 ppm

Electrochemical

CO

0−1000 ppm

Temperature

−20–80℃

Semiconductor

Humidity

0–100% (RH)