Everything seems fine but when exceed the co2 level, the fan connected wont turn on. Any solution problem? Thank you

Are you set up correctly ? Out of the box it’s set to add co2 to a greenhouse. So it deactivates the solenoid

Is it possible to get this co2 day and night monitor with eu-plugs?

"Hi, it comes with US plug, we can supply you with the EU plug if you want to purchase it with EU plug. Please contact our customer service representative through Amazon message. Or if your shipping address is in Europe, you may buy the item through the link below: http://www.amazon.it/dp/B08H8BP15N?ref=myi_title_dp

Can you Calibrate co2?

Not sure what you mean by calibrate. Can use it to add co2 or remove co2 depending on what use you have for it. Can set it to whatever range you want.

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CO2 Controller Carbon Dioxide Controller CO2 Meter Monitor Day and Night Relay Function, NDIR CO2 Sensor for Green House, Grow Rooms, Factory, Home, Office

Product ID: 502362878

Details

Alarm
Audible
Brand
DANOPLUS
Colour
Green
Item weight
363 g
Operating humidity
95 percent
Power source
AC100~240VAC

🌗Auto day/night detection

📊0~5000ppm range with trend chart

🔔Audible CO2 threshold alarm

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HK$2198

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Description

🌿 Breathe smarter, grow stronger — CO2 control that works as hard as you do!

SMART DAY NIGHT MODES - Automatically adjusts CO2 output to save energy and optimize air quality around the clock.
DUAL PLANT HUMAN MODES - Tailor CO2 levels specifically for grow rooms or indoor ventilation with manual override.
PRECISION CO 2 MONITORING - Track air quality with 1ppm resolution and real-time LCD display for ultimate control.
ROBUST READY TO INSTALL - Wall-mountable with a 4.5m sensor cable and built-in overload protection for hassle-free setup.
COMPREHENSIVE TREND ANALYSIS - Visualize CO2 fluctuations per minute, hour, day, or week to stay ahead of environmental changes.

The DANOPLUS CO2 Controller is a professional-grade NDIR sensor device designed for precise carbon dioxide monitoring and control in greenhouses, grow rooms, offices, and factories. Featuring a wide 0-5000ppm measuring range, real-time LCD display with trend charts, audible alarms, and smart day/night auto detection, it ensures optimal air quality management. Its dual Plant and Human modes allow tailored CO2 regulation, while the 4.5-meter sensor cable and wall-mount design provide flexible installation. Powered by AC100-240V with built-in overload protection, this controller delivers reliable, energy-efficient performance for proactive environmental control.

Specifications

ASIN	B08H8H9D2M
Alarm	Audible
Best Sellers Rank	621,423 in DIY & Tools ( See Top 100 in DIY & Tools ) 171 in CO2 Detectors
Brand	DANOPLUS
Colour	Green
Customer Reviews	4.4 4.4 out of 5 stars (140)
Included Components	CO2 Controller, CO2 Sensor, screws and tapes and English Instruction Manual
Item Dimensions D x W x H	50D x 15.8W x 10.6H centimetres
Item Weight	363 g
Manufacturer	DANOPLUS
Model Number	KB0297
Number of Items	1
Operating Humidity	95 percent
Part Number	KB0297
Power source	AC100~240VAC
Product Style	CO2 Controller
Sensor Type	Non Dispersive Infrared
UPC	619317590304
Unit Count	1.0 count

Reviews

L**O

Top

18.08.2025

J**N

Muy fácil de utilizar

12.02.2025

F**R

El producto cumple su función venía en su caja lo que no me gustó es que venía solo en una caja sin protección alguna contra golpes en el manejo de la paquetería

27.12.2022

M**K

This controller works like a charm. Absolutely accurate and it couldn't be easier to set up. Numbers are large so you can see them and the co2 remote detector has a green light so it doesn't disturb light cycle of plants. $100 less than the leading brand and works just as well!

21.06.2022

A**Y

Works great. Still going strong 2 years later

3.01.2026

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HK$2198

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In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

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