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# FNIRSI SFD-02 4-IN-1 Indoor Air Quality Monitor Touchscreen Formaldehyde Detector HCHO TVOC Tester

**Brand:** FNIRSI
**SKU:** SFD-02
**Price:** Available via Amazon — https://www.amazon.com.au/s?k=FNIRSI+SFD-02+4-IN-1+Indoor+Air+Quality+Monitor+Touchscreen+Formaldehyde+Detector+HCHO+TVOC+Tester&tag=tech2have-22
**Category:** Environmental Meters & Detectors (https://level-floor.bnr.la/store/c/test-measurement-environmental.md)
**URL:** https://level-floor.bnr.la/store/products/fnirsi-sfd-02-4-in-1-indoor-air-quality-monitor-touchscreen/

## Description

FNIRSI SFD-02 Formaldehyde & Air Quality Monitor
The FNIRSI SFD-02 is a smart indoor air quality tester, designed to monitor formaldehyde (HCHO) and TVOC levels in real time. Ideal for homes and offices, it provides accurate, easy-to-read data and intelligent features to help keep your environment safe and healthy.
Key Features:
Real-Time Monitoring
Instantly displays formaldehyde, TVOC, humidity, and time — know your air quality at a glance.
Air Quality Assessment
Evaluates formaldehyde levels and alerts you to potential health risks.
Historical Data Recording
Tracks changes in HCHO and TVOC over time for better long-term air quality management.
Spatial Averaging
Calculates average values of HCHO and TVOC across the space for more accurate assessment.
Smart Removal Calculator
Estimates time, cost, and materials needed to remove formaldehyde based on your room size and method.
Customizable Alarms
Set your own alert thresholds — the device will warn you when levels are too high.
Calendar & Time Display
Conveniently shows date, time, and humidity on screen.
With its intelligent design and accurate detection, the SFD-02 is your all-in-one solution for managing indoor air quality — making your home or office healthier and safer.
Specifications
1. Model Parameters
Model
SFD-02
Screen Material
2.4-inch tempered glass touch HD color
Backlight
Backlight brightness adjustable
Power Supply
TYPE-C (5V/2A)
Battery
1000mAh
Languages
Chinese, English
Product Size
≈75x45x95mm
Bare Weight
≈193g
2. Technical Parameters
Formaldehyde Rate
0-2000PPM
Formaldehyde Detection Hardware
Electrochemistry
Formaldehyde Preheat Time
5s
TVOC Rate
0-10mg/m³
TVOC Detection Hardware
Semiconductors
TVOC Preheat Time
120s
3. Formaldehyde Level Classification
Excellent Range
0mg/m³-0.08mg/m³
Good Range
0.08mg/m³-0.1mg/m³
Mild Range
0.1mg/m³-0.2mg/m³
Moderate Range
0.2mg/m³-0.3mg/m³
Severe Range
0.3mg/m³ or above
Package List:
◉ SFD-02 Device × 1
◉ Packing Box × 1
◉ User Manual × 1
◉ Data Cable × 1

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