Does this detector require calibrating? is so how often and can it be done by user or does it have to be sent off?

CO2 and RH can be calibrated by users, users can calibrate by themselves if they feel that the readings are inaccurate or users may calibrate it every 2 to 3 months to ensure accuracy, calibration steps can be found in the user manual.

Co2 Meter Handheld Co2 Monitor 9999ppm Measuring Range Carbon Dioxide

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🌬️ Breathe smarter, work safer — the pro’s choice for air quality mastery!

DATA DRIVEN INSIGHTS - Optional PC software enables online logging and detailed analysis to optimize your air quality management.
FLEXIBLE POWER OPTIONS - Use included batteries or plug in with a 9V adapter for uninterrupted monitoring anywhere.
INSTANT ALERTS WITH SOUND ALARM - Stay safe and proactive with audible warnings when CO2 levels exceed your preset limits.
ALL IN ONE AIR QUALITY DASHBOARD - Monitor CO2, temperature, and humidity simultaneously for total indoor environment control.
PRECISION NDIR SENSOR TECHNOLOGY - Reliable, stable CO2 detection up to 9999ppm with 1ppm resolution—perfect for professional settings.

The Gain Express Handheld CO2 Meter features a high-precision NDIR sensor with a wide 0-9999ppm measuring range, triple displays for CO2, temperature, and humidity, and an audible alarm to alert users of unsafe CO2 levels. Powered by battery or 9V adapter, it supports optional PC connectivity for data logging, making it ideal for indoor air quality monitoring in homes, labs, and professional environments.

Specifications

ASIN	B01966BZDY
Alarm	Audible
Best Sellers Rank	111,250 in DIY & Tools ( See Top 100 in DIY & Tools ) 16 in CO2 Detectors 1,058 in Scanners & Testers
Brand	GAIN EXPRESS
Colour	Portable Co2 Meter
Customer Reviews	4.5 out of 5 stars 275 Reviews
Item Weight	200 Grams
Item weight	200 Grams
Manufacturer	Gain Express Holdings Ltd
Model Number	A017755
Number of Items	1
Operating Humidity	0-99 percent
Part Number	A017755
Power source	Battery Powered
Product Style	Ergonomic
Sensor Type	Non Dispersive Infrared
Style	Ergonomic
UPC	600316560665
Unit Count	1.0 count
Upper Temperature Rating	60 Degrees Celsius

Reviews

User

Great meter, great value

Great co2 meter bought 4units for drill site work. Very happy

13.04.2026

User

good quality

works well, but it is a bit pricey, though

23.09.2024

User

Gas equipment

Compact seems to work well I've only used 3 times

2.06.2024

User

使いやすさ

まだ使ってないが試したら使いやすそうだ

15.01.2026

User

que es portatil y se puede llevar a cualquier lugar

mide bien y esta bien de precio

29.10.2025

User

Fairly simple to use.

Works great. We use it to monitor corn in our grain bins.

2.09.2026

User

Aditamentos extra difíciles de conseguir

Compré el producto para medir CO2 de manera continua en el laboratorio, sin embargo no pude conseguir el software y cables adicionales.Tuve que comprar otro equipo de otra marca.

7.10.2022

User

Bon produit

Qualité et précision bien correcte.

3.09.2022

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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€ 335.83

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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CO2 Meter Handheld CO2 Monitor 9999ppm Measuring Range Carbon Dioxide Detector NDIR Sensor Air Quality Temperature Humidity Meter

Details

Details

Description

Specifications

Reviews

Common Questions