Portable CO₂ Meter BZOM-503
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Portable CO₂ Meter BZOM-503

Portable CO₂ Meter BZOM-503 provides an egg‑shaped, display‑free CO₂ detector for real‑time monitoring of carbon dioxide levels from 400 to 5000 ppm. It uses an NDIR sensor for accurate, stable CO₂ measurement, while a colour indicator provides rapid visual feedback for air quality monitoring. Featuring advanced programming with Wi‑Fi connectivity for remote monitoring, it enables precise airflow assessment in a routine environment.

$ 846

Test Elements CO₂
CO2 Concentration Unit ppm
C02 Measuring Range 400 to 5000ppm
CO2 Detection Method Infrared (NDIR)
Power Source 800mAh
Product Dimension 10×7cm
Package Dimension 12×13×10cm
Net Weight 80g
Gross Weight 1Kg
  • Main Unit

  • Micro USB Charging Cable

Egg‑Shaped, Display‑Free Design: Compact, portable CO₂ detector with a colour‑changing light. 
NDIR Sensor: Accurate, stable carbon dioxide measurement over a wide range. 
Colour Indicator: Visual light signals provide CO₂ level status for rapid visual assessment. 
Wi‑Fi Remote Monitoring: Real‑time CO₂ level tracking from anywhere via smartphone.
Rechargeable Battery: Lithium battery with Micro‑USB charging, simple to recharge and carry.

• Living Rooms & Bedrooms: Used for discreet CO₂ monitoring with a colour‑changing light instead of a screen. 
• Offices & Meeting Rooms: Applied for tracking CO₂ levels without a distracting display, using visual light signals. 
• Nurseries & Kids’ Rooms: Designed for quiet, light‑based air quality indication that is simple to see at a glance. 
• HVAC & Building Management: Suitable for remote CO₂ monitoring via Wi‑Fi in ventilation assessments. 
• Portable Use Anywhere: Intended for travel, small spaces, or areas where a compact, screen‑free detector is preferred.

Frequently Asked Questions

1: Does the CO2 Meter BZOM-503 have a display screen?

No, this model of CO2 Meter is a display-free unit and uses a multicolour light indicator to reflect CO2 levels visually.

2: How does the CO2 level indicator work?

Our CO2 Meter uses color-coded light signals to visually indicate changes in CO2 concentration, making it easy to assess air quality without needing a screen.

3: Does BZOM-503 provide real-time alerts for high CO2 levels?

Our CO2 Meter does not have a digital alarm, but the color indicator acts as a visual alert for elevated CO2 concentrations.

4: Is the CO2 Meter rechargeable?

Yes, it features a built-in 800mAh lithium battery, rechargeable via Micro USB.

5: Can I monitor CO2 levels remotely?

Yes, thanks to its Wi-Fi connectivity, the CO2 Meter can be synced with a smartphone for remote CO2 monitoring via a compatible app.

6: How does a CO2 Monitor work?

CO2 is measured using a carbon dioxide sensor, typically based on non-dispersive infrared (NDIR) technology. It detects how much infrared light is absorbed by CO? molecules in the air. The amount of light absorbed correlates with CO2 concentration, which is then displayed in parts per million (ppm) on a screen, app, or sent to an alarm system.

7: Can CO2 meters detect other gases or pollutants?

Our CO2 meter measures more than just carbon dioxide—it also monitors temperature and humidity to give you a complete picture of your indoor air quality.

8: What’s the difference between NDIR and chemical sensor CO2 meters?

NDIR (Non-Dispersive Infrared) sensors are more accurate, stable, and long-lasting than chemical sensors, making them the preferred choice for most indoor air quality applications.

9: What is a safe CO2 level indoors?

Healthy indoor spaces should maintain CO2 levels below 800-1000 ppm. Levels above 1000 ppm may cause drowsiness, while concentrations exceeding 2000 ppm indicate poor ventilation and potential health risks.

10: What is a CO2 meter and what does it measure?

A CO2 meter is a device that measures the concentration of carbon dioxide (CO2) in the air. our CO2 meter also monitor temperature and humidity to give a more complete picture of indoor air quality.


Portable CO₂ Meter BZOM-503

Portable CO₂ Meter BZOM-503

Portable Air Quality Monitor

Labzee Portable Air Quality Monitors are multifunctional devices that accurately measure critical air parameters. They measure CO2, PM2.5/PM10, HCHO, TVOC, temperature, and humidity with clear, real-time readings on a digital LCD screen for immediate assessment. Our portable air monitors include an integrated clock and internal memory for continuous data logging. With simple USB export, they support trend analysis, long-term monitoring, and routine indoor air assessment, delivering accurate, consistent data for daily indoor use.

Portable Air Quality Monitor BZAQ-501

  • Test Elements : CO₂, PM2.5, PM10, AQI, HCHO, TVOC, Temperature, Humidity
  • CO₂ Measuring Range : 400 to 5000 ppm
  • PM2.5/PM10 Measuring Range : 0 to 999 µg/m³

$ 920

Portable Air Quality Monitor BZAQ-502

  • Test Elements : CO₂, PM2.5, PM10, AQI, HCHO, TVOC, Temperature, Humidity, Clock
  • CO₂ Measuring Range : 400 to 5000 ppm
  • PM2.5/PM10 Measuring Range : 0 to 999 µg/m³

$ 1168