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 u00d7 45 u00d7 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/mu00b3
Detection Hardware: Semiconductor sensor
Preheat Time: 120 seconds

Formaldehyde Level Classification:
Excellent: 0 mg/mu00b3 - 0.08 mg/mu00b3
Good: 0.08 mg/mu00b3 - 0.1 mg/mu00b3
Mild Pollution: 0.1 mg/mu00b3 - 0.2 mg/mu00b3
Moderate Pollution: 0.2 mg/mu00b3 - 0.3 mg/mu00b3
Severe Pollution: 0.3 mg/mu00b3 and above

Features:
1. Real-Time Monitoring
Instantly displays formaldehyde, TVOC, humidity, and time u2014 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 u2014 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