Tongdy offers a comprehensive range of high-precision, multi-parameter air quality monitors designed for professional use. Each device is engineered to measure indoor pollutants such as PM2.5, CO₂, TVOC, and more, making them ideal for commercial environments.
How to Choose the Right Model for Your Project?
To select a reliable and cost-effective air quality monitor, start by clarifying:
Monitoring Goals
Required Parameters
Communication Interfaces
After-Sales Service
Data Integration Needs
Also consider installation conditions: power supply, network setup, wiring plans, and data platform compatibility.
Next, assess your deployment context — whether indoor, in-duct, or outdoor — and define:
The intended use of the monitored space
Communication method based on the site’s network infrastructure
Project budget and lifecycle needs
Once clear, contact Tongdy or a certified distributor to receive product catalogs, quotations, and customized design support tailored to your project.
Product Line Overview: Key Models at a Glance
|
Project Type |
MSD-18 Series |
EM21 Series |
TSP-18 Series |
PGX Series |
|
Measured Parameters |
PM2.5/PM10, CO₂, TVOC, Temp/Humidity, Formaldehyde, CO |
PM2.5/PM10, CO₂, TVOC, Temp/Humidity + optional Light, Noise, CO, HCHO |
PM2.5/PM10、CO2、TVOC、Temp/Humidity |
CO₂, PM1/2.5/10, TVOC, Temp/Humidity + optional Noise, Light, Presence, Pressure |
|
Sensor Design |
Sealed die-cast aluminum with environmental compensation |
Laser PM, NDIR CO2, integrated environmental compensation |
Laser PM, NDIR CO2 |
Modular sensors for easy replacement (PM, CO, HCHO) |
|
Accuracy & Stability |
Commercial-grade, constant airflow fan, strong interference resistance |
Commercial-grade |
Commercial-grade |
Commercial-grade |
|
Data Storage |
No |
Yes – up to 468 days @30min intervals |
No |
Yes – up to 3–12 months depending on parameters |
|
Interfaces |
RS485、WiFi、RJ45，4G |
RS485、WiFi、RJ45、LoRaWAN |
WiFi、RS485 |
RS485，Wi-Fi，RJ45，4G LoRaWAN
|
|
Power Supply |
24VAC/VDC±10% Or 100-240VAC |
24VAC/VDC±10% Or 100~240VAC、 PoE |
18~36VDC |
12~36VDC；100~240VAC；PoE（RJ45）， USB 5V(Type C) |
|
防护等级 |
IP30 |
IP30 |
IP30 |
IP30 |
|
认证标准 |
CE/FCC/RoHS/ RESET |
CE |
CE |
CE RESET |
Note: The Above comparison includes only indoor models. Duct and outdoor models are excluded.
Application Scenarios & Model Recommendations
1. High-End Commercial & Green Buildings → MSD Series
Why MSD?
High-precision, RESET-certified, flexible configuration, supports 4G and LoRaWAN, optional CO, O₃, and HCHO. Equipped with a constant airflow fan for long-term accuracy.
Use Cases:
Office buildings, malls, exhibition halls, ventilation systems, WELL/LEED green building assessments, energy retrofitting.
Data:
Cloud-connected, requires a data platform or integrated services.
2. Multi-Environment Monitoring → EM21 Series
Why EM21?
Supports noise and illuminance monitoring, with optional on-site display, local data storage, and download.
Use Cases:
Offices, laboratories, classrooms, hotel rooms, etc. Flexible deployment with both cloud and local data processing.
3. Cost-Sensitive Projects → TSP-18 Series
Why TSP-18?
Budget-friendly without compromising essential features.
Use Cases:
Schools, offices, and hotels — ideal for light commercial environments.
4. Feature-Rich, All-in-One Projects → PGX Series
Why PGX?
Most versatile model, supports extensive parameter combinations including environmental, noise, light, presence, and pressure. Large screen for real-time data and trend curves.
Use Cases:
Offices, clubs, front desks, and common areas in commercial or high-end residential spaces.
Compatible with full IoT/BMS/HVAC systems or standalone operation.
Why Choose Tongdy?
With 20 years of specialization in environmental monitoring, building automation, and HVAC system integration, Tongdy has deployed solutions in over 40 countries worldwide.
Contact Tongdy Today to select a trusted, high-performance air quality monitor that meets your project needs.
Post time: Jul-02-2025