How often should I calibrate the CO2 monitor?

For best results, calibrate the CO2 monitor every six months or whenever you notice a significant drift in readings.

Can I use the monitor without the 9V adaptor?

Yes, the monitor can run on the included batteries. The 9V adaptor is optional for continuous power.

Is the PC connection cable included?

No, the PC connection cable is not included. It can be purchased separately if needed for advanced data analysis.

How loud is the sound warning alarm?

The sound warning alarm is loud enough to alert you to high CO2 levels but not excessively loud to cause disturbance.

What is the battery life of the monitor?

The monitor has a battery life of over 24 hours with alkaline batteries, making it suitable for extended use without frequent replacements.

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CO2 Meter Portable CO2 Detector Digital CO2 Monitor with Alarm Function Carbon Dioxide Temperature and Humidity Meter, NDIR CO2 Sensor Indoor Air Quality Monitor for Home Office Grow Room

CO2 Meter Portable CO2 Detector Digital CO2 Monitor with Alarm Function Carbon Dioxide Temperature and Humidity Meter, NDIR CO2 Sensor Indoor Air Quality Monitor for Home Office Grow Room

Product ID: 33107348

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Details

Brand
TEKCOPLUS
Style
Digital CO2
Power Source
Battery
Color
Yellow
Item Weight
0.29 Pounds
Alarm
Audible

📊0-9999ppm CO2 range

🔔Audible + visual alarm

🌡️14°F-140°F temp range

Description

🌬️ Breathe smarter, live better — your air quality watchdog!

VERSATILE PORTABLE - Compact, battery-powered design fits perfectly in offices, homes, classrooms, and grow rooms.
REAL TIME AIR INSIGHTS - Simultaneously monitor CO2, temperature, and humidity on a large backlit LCD for instant clarity.
PRECISION THAT PROTECTS - High-accuracy NDIR sensor ensures reliable CO2 readings within ±5% for safer indoor air.
INSTANT ALERTS INSTANT ACTION - Audible and visual alarms trigger when CO2 levels exceed your set threshold—never miss a warning.
COMPREHENSIVE ENVIRONMENTAL MONITORING - Tracks dew point and wet bulb temperatures for advanced air quality analysis beyond CO2.

The TEKCOPLUS COTK-57 Portable CO2 Meter features a high-precision NDIR sensor with a wide measurement range up to 9999ppm CO2, temperature from 14°F to 140°F, and humidity from 0.1% to 99.9% RH. Equipped with audible and visual alarms, a large backlit LCD display, and powered by 4 AA batteries, it’s designed for real-time indoor air quality monitoring in homes, offices, classrooms, and grow rooms.

Specifications

Brand	TEKCOPLUS
Style	Digital CO2 Meter
Power Source	Battery Powered
Color	Yellow
Item Weight	0.29 Pounds
Alarm	Audible
Operating Humidity	95 percent
Upper Temperature Rating	50 Degrees Celsius
Sensor Type	Non Dispersive Infrared
Number of Items	1
Manufacturer	Tekcoplus Ltd
UPC	713072686026 713072682325
Brand Name	TEKCOPLUS
Model Info	COTK-57
Item Weight	4.6 ounces
Product Dimensions	13.78 x 2.76 x 8.66 inches
Item model number	COTK-57
Batteries	4 AA batteries required.
Is Discontinued By Manufacturer	No
Part Number	COTK-57
Batteries Included?	No
Batteries Required?	No
Battery Cell Type	Alkaline

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