Table 1 Specification of Pocket PM_2.5 Sensor (Yaguchi Electric Corp.)

1

Measurement parameters

PM2.5,PM10

2

Measurement range

0.0–999.9 μg /m3

3

Rated voltage

5 V

4

Rated current

60 mA ± 10 mA

5

Sleep current

< 4 mA laser and fan sleep

6

Temperature range

Storage environment: − 10 ~ + 50 °C

Work environment:− 20 ~ + 60 °C

7

Humidity range

Storage environment: max 90%

Work environment: max 70%

8

Air pressure

86 KPa ~ 110 KPa

9

Corresponding time

1 s

10

Serial data output frequency

1 Hz

11

Minimum resolution of particle

< 0.3 μm

12

Counting yield

70%@0.3 μm 98%@0.5 μm

13

Relative error

Maximum of ± 15% and ± 10 μg/m3

25 °C, 50%RH

14

Product size

42.5 × 32 × 24.5 (mm)