In-depth Comparison: Tongdy vs Other Grade B and C Monitors
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How to Interpret Air Quality Data Effectively
Tongdy’s monitoring system includes an intuitive user interface and data platform that displays the following:
Real-time readings
Color-coded status indicators
Trend curves
Historical data
Comparative charts between multiple devices
Color Coding for Individual Parameters:
Green: Good
Yellow: Moderate
Red: Poor
Color Scale for AQI (Air Quality Index):
Green: Level 1 – Excellent
Yellow: Level 2 – Good
Orange: Level 3 – Light pollution
Red: Level 4 – Moderate pollution
Purple: Level 5 – Heavy pollution
Brown: Level 6 – Severe pollution
Case Studies: Tongdy Solutions in Action
Visit our website's Case Studies section to learn more.

Tips for Improving Indoor Air Quality
Regularly open windows to ensure fresh airflow.
Clean air conditioner filters before and after seasonal use
Limit the use of chemical cleaning agents.
Reduce and isolate cooking fumes.
Add large-leaf indoor plants.
Use Tongdy’s real-time monitoring to detect and address new pollution sources.
Maintenance & Calibration
Tongdy devices support remote maintenance and calibration over networks. We recommend annual calibration, with increased frequency in high-pollution environments.
FAQs
1. What communication methods are supported?
WiFi, Ethernet, LoRaWAN, 4G, RS485 – supporting various protocols.
2. Can it be used at home?
Absolutely. It's especially recommended for homes with infants or elderly residents.
3. Does it require an internet connection?
Devices can function both online and offline. They display data and trends on-site and can be accessed via Bluetooth or mobile app. Full features are unlocked when connected to the network.
4. What pollutants can be monitored?
PM2.5, PM10, CO₂, TVOC, formaldehyde, CO, temperature, and humidity. Optional sensors for noise and light.
5. How long is the lifespan?
Over 5 years with proper maintenance.
6. Does it require professional installation?
For wired (Ethernet) setups, professional installation is recommended. WiFi or 4G models are suitable for self-installation.
7. Are the devices certified for commercial use?
Yes. Tongdy monitors are certified to CE, RoHS, FCC, and RESET standards, and comply with green building certifications like WELL and LEED. This makes them ideal for commercial, institutional, and government applications.
Conclusion: Breathe Freely, Live Healthier
Every breath matters. Tongdy visualizes invisible air quality concerns, empowering users to take control of their indoor environments. Tongdy provides smart, reliable air solutions for every space – homes, workplaces, and public areas.
Post time: Jun-25-2025