SNDWAY SW-723 Digital CO2 Meter Carbon Dioxide Gas Level Detector

SNDWAY SW-723 Carbon Dioxide Meter | Professional NDIR CO2 Monitor & Data Logger

High-Precision Air Quality Tester for Indoor Ventilation, Greenhouse Management & Safety in Sri Lanka

The SNDWAY SW-723 is a professional-grade Carbon Dioxide (CO2) meter designed to provide rapid and accurate indoor air quality assessments. Utilizing advanced Non-Dispersive Infrared (NDIR) sensor technology, this handheld device effectively monitors CO2 concentrations, helping to ensure healthy ventilation in Colombo offices, schools, and healthcare facilities. Beyond gas detection, it serves as a versatile environmental monitor by simultaneously measuring Ambient Temperature and Relative Humidity, making it a critical tool for maintaining optimal indoor conditions in Sri Lanka's humid tropical climate.

Engineered for both spot-checks and long-term monitoring, the SW-723 features a clear, backlit LCD screen with a visual and audible CO2 alarm system that alerts users when gas levels exceed safety thresholds. Its compact, ergonomic design is complemented by professional features like Data Logging capabilities and Max/Min recording. Whether you are optimizing a hydroponic greenhouse in Nuwara Eliya or verifying HVAC performance in a commercial building, this meter provides the reliable data needed to manage air safety and plant productivity.

Key Features of the SNDWAY SW-723 CO2 Meter

Precision NDIR Sensor Technology

Employs a high-stability Dual-Beam NDIR sensor for accurate CO2 measurement, minimizing long-term drift and ensuring consistent readings even in high-traffic environments.

3-in-1 Environmental Monitoring

Simultaneously tracks CO2 levels, Temperature, and Humidity on a single screen for a comprehensive view of air quality and thermal comfort.

Customizable Audible Alarm

Features a user-defined CO2 threshold alarm that triggers a loud beep and visual indicator when carbon dioxide reaches unhealthy levels (e.g., above 1000 ppm).

Data Logging & Storage

Internal memory allows for the recording of data points, making it easy to track air quality trends over time during a workday or crop growth cycle.

Large Backlit LCD Display

The high-definition screen ensures easy readability in low-light environments, displaying battery life, real-time measurements, and alarm status clearly.

Portable & Lightweight Design

Weighing only 172g, this ergonomic handheld device is easy to carry for field inspections across different job sites and industrial facilities.

Common Applications of SNDWAY SW-723

Office & Educational Facilities

Monitor CO2 levels to prevent "Sick Building Syndrome," improve student concentration, and ensure adequate fresh air circulation in air-conditioned spaces.

Greenhouses & Indoor Farming

Maintain the ideal CO2 concentration (typically 1000-1500 ppm) to maximize plant photosynthesis and increase crop yields in controlled agricultural environments.

HVAC & Building Maintenance

Identify stagnant air pockets and verify the efficiency of ventilation systems in hotels, malls, and residential apartments to meet ASHRAE standards.

Industrial Safety & Brewing

Detect CO2 leaks in beverage dispensing, cold storage, or industrial processing areas to protect workers from potential CO2 toxicity risks.

Technical Specifications of the SNDWAY SW-723

CO2 Measurement Range

0 – 9999 ppm

Temperature Range

-10.0°C – 70.0°C (14°F – 158°F)

Humidity Range

0% – 99.9% RH

CO2 Resolution

1 ppm

CO2 Accuracy

± (40 ppm + 3% of reading)

Sensor Type

Non-Dispersive Infrared (NDIR) Sensor

Power Supply

3 x 1.5V AAA Batteries

Data Storage

Up to 100 groups of readings

Dimensions & Weight

18.5 x 6.35 x 2.7 cm | Approx. 172g

Frequently Asked Questions about CO2 Monitoring

Why use an NDIR sensor for CO2?

Non-Dispersive Infrared (NDIR) sensors are the industry standard because they are gas-specific, long-lasting, and do not suffer from cross-sensitivity to other gases like CO or VOCs.

What is a safe CO2 level for a Sri Lankan office?

Outdoor air is typically around 400 ppm. Indoors, levels below 800-1000 ppm are considered well-ventilated; levels above 1500 ppm can cause drowsiness and headaches.

Can the SW-723 be used for greenhouse CO2 injection?

Yes, it is an excellent tool for verifying that your CO2 generators or regulators are maintaining the specific levels (usually 1200 ppm) required for optimal plant growth.

What's in the Box?

1 x SNDWAY SW-723 CO2 Meter

1 x Protective Soft Carry Case

1 x User Manual

1 x Quality Certificate

Downloads

📄 Download SNDWAY SW-723 User Manual