Ensure a healthy indoor environment with the FNIRSI SFD-02 Air Quality Monitor.

Designed for homes and offices, this smart device monitors formaldehyde (HCHO), TVOC, humidity, and time in real-time, providing hazard assessments, historical records, and intelligent calculations to help maintain safe indoor air.

Main Features:

• Real-time monitoring of formaldehyde, TVOC, air humidity, and current time
• Formaldehyde hazard assessment for identifying potential health risks
• Historical data recording for long-term air quality management
• Spatial average calculation for more accurate air quality evaluation
• Formaldehyde removal calculator estimating time, cost, and materials needed
• Alarm threshold setting for formaldehyde and TVOC with immediate alerts
• Calendar and time display for convenience
• Adjustable backlight on 2.4-inch tempered glass high-definition colour screen
• USB Type-C charging (5V/2A)
• Lithium battery (1000 mAh) included

Specifications:

• Product Name: Four-in-one Formaldehyde Tester
• Battery Included: Yes (1 x 1000 mAh lithium battery)
• Charging Method: USB Type-C interface
• Certification: CE
• DIY Supplies: Electrical
• Gas Type: Formaldehyde
  
• With LCD Screen: Yes
• Screen Material: Tempered glass touch HD colour screen
  

Formaldehyde Parameters:

• Range: 0–2000 ppm
• Detection Hardware: Electrochemical sensor
• Preheating Time: 5 seconds
• Level Classification:
  • Excellent: 0–0.08 mg/m³
  • Good: 0.08–0.1 mg/m³
  • Mild Pollution: 0.1–0.2 mg/m³
  • Moderate Pollution: 0.2–0.3 mg/m³
  • Severe Pollution: ≥0.3 mg/m³

TVOC Parameters:

• Range: 0–10 mg/m³
• Testing Hardware: Semiconductor sensors
• Preheating Time: 120 seconds

Package Includes:

• 1 x Air Quality Detector
• 1 x Instruction Manual
• 1 x USB-C Charging Cable