FNIRSI SFD-02 4-IN-1 Formaldehyde Detector Indoor Air Quality Monitor Touchscreen HCHO TVOC Time Humidity Display Smart Alarm Type-C Charging for Home Office Test

Specification:
Brand: FNIRSI
Model: SFD-02
Product Name: Formaldehyde Detector
Screen Material: 2.4-inch tempered glass touch HD color screen
Backlight: Adjustable backlight brightness
Power Supply: TYPE-C (5V/2A)
Battery: 1000mAh
Language: Chinese, English
Product Size: Approximately 75 × 45 × 95 mm
Weight: Approximately 193g

Formaldehyde Parameter:
Range: 0 - 2000 PPM
Detection Hardware: Electrochemical sensor
Preheat Time: 5 seconds

TVOC Parameter:
Range: 0 - 10 mg/m³
Detection Hardware: Semiconductor sensor
Preheat Time: 120 seconds

Formaldehyde Level Classification:
Excellent: 0 mg/m³ - 0.08 mg/m³
Good: 0.08 mg/m³ - 0.1 mg/m³
Mild Pollution: 0.1 mg/m³ - 0.2 mg/m³
Moderate Pollution: 0.2 mg/m³ - 0.3 mg/m³
Severe Pollution: 0.3 mg/m³ and above

Features:
1. Real-Time Monitoring
Instantly displays formaldehyde, TVOC, humidity, and time — know your air quality at a glance.

2. Air Quality Assessment
Evaluates formaldehyde levels and alerts you to potential health risks.

3. Historical Data Recording
Tracks changes in HCHO and TVOC over time for better long-term air quality management.

4. Spatial Averaging
Calculates average values of HCHO and TVOC across the space for more accurate assessment.

5. Smart Removal Calculator
Estimates time, cost, and materials needed to remove formaldehyde based on your room size and method.

6. Customizable Alarms
Set your own alert thresholds — the device will warn you when levels are too high.

7. Calendar & Time Display
Conveniently shows date, time, and humidity on screen.

Package included:
1 x SFD-02 Formaldehyde Detector
1 x Packing Box
1 x User Manual
1 x Data Cable