Portable CO₂ Meter BZOM-502
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Portable CO₂ Meter BZOM-502

Portable CO₂ Meter BZOM-502 offers a precise CO₂ detector designed for accurate measurement from 400 to 5000 ppm, along with temperature, humidity, and time/date. It utilizes a multi‑parameter, high‑quality Infrared NDIR sensor for real‑time monitoring. It comes with a clear LCD screen that shows color‑coded indicators for instant air quality status. An advanced alarm alerts when CO₂ exceeds the adjustable 1000 ppm threshold, for flexible control in maintaining healthier indoor air.

$ 858

Test Elements CO₂, Temperature, Humidity, Time/Date
C02 Measuring Range 400 to 5000ppm
CO2 Alarm Value 1000ppm
CO2 Detection Method Infrared (NDIR)
Operating Temperature Range -10°C to 50°C (14°F to 122°F)
Storage Temperature Range -10°C to 60°C (14°F to 140°F)
Humidity Range 10% to 90% RH
Display Method LCD Display Screen
Power Source 3000mAh
Product Dimension 14.5×7.8×9.7cm
Package Dimension 20×13×13cm
Net Weight 235g
Gross Weight 0.700Kg
  • Main Unit

  • USB Charge Cable

Multi‑Parameter Detection: Measures CO₂, temperature, humidity, and time/date in one device. 
NDIR Sensor: Accurate, stable, and precise carbon dioxide measurement. 
LCD Display & Alarm: LCD screen with visual air quality indicator, adjustable alarm for unsafe CO₂ levels. 
Wi‑Fi Remote Monitoring: View real‑time CO₂, temperature, and humidity data from a phone or laptop. 
Rechargeable & Portable: Lithium battery with USB charging and automatic calibration, simple to carry anywhere.

• HVAC Setup Evaluation: Used to assess ventilation effectiveness and air exchange rates in buildings. 
• Conference Rooms & Meeting Spaces: Applied for monitoring CO₂ buildup in occupied rooms to prevent drowsiness. 
• Daycare Centers & Nurseries: Designed for tracking air quality in spaces with young children. 
• Gyms & Fitness Studios: Suitable for monitoring CO₂ levels during high‑occupancy exercise sessions. 
• Public Libraries & Museums: Intended for maintaining air quality in quiet, enclosed public spaces. 

Frequently Asked Questions

1: What does the Labzee BZOM-502 measure?

Our Portable CO2 Meter monitors carbon dioxide (CO2), temperature, humidity, and displays time/date for comprehensive indoor air quality assessment.

2: Does the CO2 Meter include an alarm feature?

Yes, it comes with a smart alarm system that alerts you when CO2 levels exceed the safety threshold of 1000 ppm, helping you take timely action.

3: Can I customize the CO2 alarm thresholds?

Yes, while preset of our meter is at 1000ppm, you can adjust thresholds between 400-5000ppm to match your specific air quality requirements.

4: What makes the NDIR sensor effective for CO2 detection?

The NDIR (Non-Dispersive Infrared) sensor provides precise CO2 readings by measuring how much infrared light is absorbed by CO2 molecules in the air. This method delivers high accuracy (±50 ppm) and long-term reliability, unlike electrochemical sensors, which may lose sensitivity over time.

5: How is the air quality displayed?

Our CO2 Meter features an easy-to-read LCD screen with a visual air quality indicator to show CO2 levels and environmental conditions in real time.

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-502

Portable CO₂ Meter BZOM-502

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