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A25F PM2.5 Meter

A25F are air quality meters used to measure PM2.5 concentration. A25F can also measure formaldehyde concentration. PM2.5/Formaldehyde concentrations display diﬀerent emoticons on screen to help users visualize their environmental conditions.

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Key Features

Features

● Precise PM2.5 concentration based on pre-calibrated sensors

● Temperature measurement (°C/°F)

● Humidity measurement

● Emoticon display

● LCD backlight and red backlight alarm

● Battery status, low power, auto power oﬀ

● Formaldehyde concentration

Technical Specification

Features
Specifications	Range	A25F
PM2.5 (ug/m³)	0~100	±(10ug/m³+10dgts)
	101~400	±(10%+30dgts)
	401~500	±(10%+50dgts)
Formaldehyde (mg/m³)	0~0.6	±0.06 mg/m³
Formaldehyde (mg/m³)	0.6~2	±10%
Temperature (℃)	0~2mg/m³	±1℃
Temperature (℉)	0~2mg/m³	±1.8℉
Humidity	5%~99%RH	≤0.14mg/m³: ±25%+0.05mg/m³
Humidity	5%~99%RH	≥0.15mg/m³: ±50%+0.05mg/m³
Auto power off		√
Low battery indication		√
Red backlight alarm		√
LCD backlight		√
Concentration emoticon		√
General Characteristics
Power	1500mAh rechargeable polymer battery
Display	42mm x 65mm
Product color	White and grey
Product net weight	230g
Product size	75mm x 55mm x 130mm
Standard accessories	1m micro interface cable
Standard individual packing	Gift box, blister, English manual
Standard quantity per carton	5pcs
Standard carton measurement	360mm x 185mm x 140mm
Standard carton gross weight	2.35kg

specifications	Range	Accuracy
AC Voltage Detection	0.010Ω-0.199Ω 0.010Ω-0.199Ω 0.010Ω-0.199Ω	±（1%＋0.02Ω） ±（1%＋0.02Ω） ±（1%＋0.02Ω）
Current (AC)	0.010Ω-0.199Ω 0.010Ω-0.199Ω 0.010Ω-0.199Ω	±（1%＋0.02Ω） ±（1%＋0.02Ω） ±（1%＋0.02Ω）
Features
Jaw size	0.010Ω-0.199Ω
Timer	✔