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Nukit CO2 Controller (US/Canada)
Nukit CO2 Controller (US/Canada)
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This is a simple device that takes AC mains power and turns it on or off depending on the ambient CO2 levels in a room. The purpose of this is to address indoor air quality issues with filtration or ventilation while also being conscious of energy use.
The Nukit CO2 Controller uses an extremely accurate NDIR CO2 sensor (the Sensirion SCD40) on a convenient, 3-meter cable.Suggested use:
Use one, CO2 Controller in each room. The best way to keep CO2 levels low indoors is ventilation- a shuttered exhaust fan, or fans adapted to sliding windows can be connected to the Nukit CO2 Controller and will turn on and off when the set CO2 levels are reached.
The next option is to connect the Nukit CO2 Controller to an air filter like our Nukit Tempest.
Filtration will not lower CO2 levels- it can only reduce the level of pathogens in the air and lower infection risk. When there are fewer people in the room, the CO2 level will drop of its own accord, the infection risk will be less, and the CO2 Controller will turn the filter off.
Setup:
Indoor CO2 levels should always be under 1000ppm. Between 600-800ppm may be difficult to achieve without significant energy use from an exhaust fan or filter running continuously, but it's worth trying. "Current Conc(entration)" in red shows the current CO2 level in the room.
Set the "Start Conc(entration)" on Nukit CO2 Controller to turn on at 800ppm, and the "Stop Conc(entration)" to 600ppm, using the blue arrow buttons. When you are finished, the display will look like this:
This means AC mains power will flow to the outlet on the Nukit CO2 Controller when CO2 levels reach 800ppm, and power will stop when CO2 levels reach 600ppm.
If you find the fan or filter your Nukit CO2 Controller is connected to never turns off, you might need to raise your threshold to 1000ppm to 800ppm. Using the arrow buttons, your display will look like this:
Your Nukit CO2 Controller will turn on (Start Conc) at 1000ppm, and off again (Stop Conc) once CO2 levels drop to 800ppm.
Avoid making the high and low threshold numbers closer than 100ppm or you will find your air treatment device turning on and off fairly quickly- which could shorten it's life.
There should be no need to turn the Nukit CO2 Controller off at night or when the space is unoccupied. With no one there, CO2 levels will stay low and your air treatment device will not cycle on.
Specifications:
Main Unit Size: 100mm Wide, 41mm Deep, 132mm High
Sensor Size: 30mm Wide, 15mm Deep, 57mm High
Total Weight: 310g
Operating Voltage: AC100-240v, 50-60Hz
Standby power consumption: Less than 2W
Probe type: Sensirion SCD40 photoacoustic NDIR CO2 sensor
Measurement range: 0~5000ppm (±40ppm+3%F.S)
Control range: 0~5000ppm ±10ppm
Output power: 0~1000w(max)
Fuse specification: 10A/250V
General overview of CO2 level's role in room air quality:
Intro to CO2 monitoring by Joey Fox (Highly recommended source on air quality issues)
Raising Student Test Scores May Be As Simple — And Cheap — As Opening A Window
Carbon Dioxide Levels May Predict Covid Risk In Your Immediate Surroundings
ASHRAE Position Document on Indoor Carbon Dioxide
Citations for effectiveness:
The relationships between classroom air quality and children’s performance in school
Classroom carbon dioxide concentration, school attendance, and educational attainment
SARS-CoV-2 airborne infection probability estimated by using indoor carbon dioxide
Exhaled CO2 as a COVID-19 Infection Risk Proxy for Different Indoor Environments and Activities
Customer Reviews
This device keeps my indoor ventilation at just the right amount. Previously, my ventilator would run continously which uses extra electricity and caused extra energy loss and dries wintertime air too much. Now, when occupants are in the house, the ventilator runs and as occupants leave, the ventilator turns off. Simple, great device!
Having an elderly parent (92) who was requiring more and more outside care assistance which translated into more visitors into the home, I wanted to next level my air filtration and the automated CO2 controller was an excellent, unobtrusive enhancement.
Ordering, shipping and delivery were simple. Product looked and worked as expected. The fact that I got to support ingenious, independent engineering made this a prized purchase.
Amazing! Can’t wait to use for installation art
Let customers speak for us
Placed one of these in the bathroom where people use the space unmasked. Comes on with ease and stays on long enough to kill anything in the air after each use. Simple and effective!
Great package, works perfectly, good battery life, small enough to be portable, high quality everywhere, including the bag.
Solid construction. Well packaged. No damage etc. Easy to follow instructions. Everything met or exceeded my exceptions.
Purchased Lanterns to complement our computer fan boxes. Cost wise, each Lantern likely less than the cost of each box and filter set. About the size of an alarm system's motion detector. Shipping was quick. Packaging was solid. Great communication with company as well.
This device keeps my indoor ventilation at just the right amount. Previously, my ventilator would run continously which uses extra electricity and caused extra energy loss and dries wintertime air too much. Now, when occupants are in the house, the ventilator runs and as occupants leave, the ventilator turns off. Simple, great device!
We absolutely adore our set. It makes critical public interactions (medical apptmts) so much safer!.
So easy to carry and deploy. Sorry, no images due to privacy reasons.
Absolutely LOVE my torches, I am so glad I bought them! Super professionally packed, they are high quality and easy to use. I just took them along to a painting course as added protection in addition to my FFP3 and immediately felt a lot safer. I can highly recommend them!
The first set of Nukit Torch lights got so much use that I needed another set, so that each family member can use what is needed at different places! Additionally I purchased 2 Lanterns, to use in my house and at my workplace where colleagues frequently come in coughing and sniffing.
Also this time fast shipping and in my case no extra tax costs, great!
The Lanterns are easy to install, the motion sensor works great and the timer in it is clever and convenient.
I definitely recommend this light!
Nukit Torches + PC fan air filters + leaving windows open a little + CO2 monitoring = a safer small weekly coffee-hour gathering with friends when it has to move indoors for inclement weather. Sleek design, ease of use/charging, -and a great storage case for travel. The third party testing/certifications, Far UV literature citations, and clear, helpful usage guidance gives me confidence that I’m using a safe product to provide an additional layer of protection to friends and family when we’re together. 💙 Nukit’s torches!
Fantastic bit of kit. Had an initial issue with the soldering station but it was quickly changed and sorted out. Great improvement for my workflow! Great service too
Thoughtful, through packing. It's going to arrive safe. Easy to build, just purchased the recommended parts mentioned in the documentation. Looks nice and unobtrusive. You won't know it is there because it is so quiet. It's great to have the ability to easily swap out parts if they break, without having to replace the whole unit. I doubt that is going to happen anytime soon however since the recommended parts are of high quality. Thanks so much for making this kit available!
Good battery life, works as intended. Having 4 units makes battery management and storing units at different places manageable. Very happy with purchase.
Third party testing increases confidence. I’d like if the product came with a far UVC test card to ensure units working as intended, but they can be gotten easily.
Good construction, but I would not want to drop-test. A weighted “seat” or charging cradle option would be useful, and I would buy two. Hopefully a revision will make operation while plugged in (charge and operate) an option for places where use for long periods of time is needed (e.g., workspace.)
LED indicators can be slightly hard to read in bright outdoor sun, have to hold unit close to face.
Case is slightly too snug for my taste, and the inserts between units don’t “stick” inside as well as I would have liked. The box inner packaging holder was much nicer.
When I saw this product, I knew immediately it plugged a hole in my home protection. I have an elderly parent in my home and want to protect them from what folks bring into the house from outside.
Well made, esthetically pleasing in the packaging and design. Making a lot of use with them and couldn't be simpler to operate.
Almost 5 years into the pandemic and I have so many layers of protection in place that adding UVC seemed like a no brainer.
I’m used to dealing with the doubting Thomas’s so I also ordered a reuseable UVC Quantadose card from the online rainforest so that I can demonstrate to friends and relatives that it isn’t just pretty mood lighting.
Having the 3rd party testing and links to research all in one place on Nukits has also been super helpful and I really appreciate the amount of effort put into collating all the data so that we can make informed choices.
Listen to me, even if you know nothing about putting pc towers together or assembling electronics, you can do this.
I have an elderly parent and with not just the rise of COVID but an assortment of respiratory diseases and virus, unwanted to be proactive in preventing a disaster for my father and family. This product came highly recommended and has not disappointed.
It arrived meticulously packaged, better than a lot of parts and components I've ordered from mainstream brands. Plus it looks exactly as depicted in videos and on the website. High quality components and ready to assemble immediately.
You are given everything you need. Just follow the video and/or read the instructions on the website. Done in no time at all, easy to maintain and I've combined this with the CO2 switch sold separately so that I don't need to think about it, everything is automated.
I have a ton of respect for this engineering.