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 MonitoringInstantly displays formaldehyde, TVOC, humidity, and time — know your air quality at a glance. Air Quality AssessmentEvaluates formaldehyde levels and alerts you to potential health risks. Historical Data RecordingTracks changes in HCHO and TVOC over time for better long-term air quality management. Spatial AveragingCalculates average values of HCHO and TVOC across the space for more accurate assessment. Smart Removal CalculatorEstimates time, cost, and materials needed to remove formaldehyde based on your room size and method. Customizable AlarmsSet your own alert thresholds — the device will warn you when levels are too high. Calendar & Time DisplayConveniently 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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