เครื่องวัดคุณภาพอากาศ เครื่องวัดฝุ่นละออง PM2.5 Particle Detector Haze Dust Air Quality Monitoring Analyzer Meter Sensor

Features:
PM2.5 particle detector
Import SHARP sensor
Gold plating + SMTH process
Low power consumption + fast response

Instruction:
Boot: long press the power key for about 3 seconds to display 888, release the hand to boot, run after 1 minute can be read in seconds to update the instantaneous data.
Shutdown: short press the power key to display OFF, release the hand that is turned off, 20 minutes will automatically shut down.
Before and after the detection hole can not be blocked, must be placed vertically.
Replace the battery when displaying the "battery" symbol (6F22 type 9V battery).

Notes:
Use 9v square battery, very power, 2 batteries a year enough. Do not use rechargeable batteries, do not need to charge every day!
The machine needs to be placed vertically, before and after the detection hole can not block!
Do not use the time to use plastic bags up, to avoid dust into the detection port affect the accuracy!

Specifications:
Name: PM2.5 Detector
Detection principle: light scattering
Measurement accuracy: 1ug / M3
Measuring range: 0-999ug / M3
Display: LCD
Power supply: 9V square battery
Size: 12x7x2cm/4.72x2.76x0.79" (LxWxT)
Quantity: 1 Pc

Note:
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
No Retail Package

รับประกัน 15วัน

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