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  • Free delivery on orders over $75
  • Tracked delivery on every order
  • 5 to 7 days across Australia, after a 24 to 48 hour handling time
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CO2 Detector | Portable CO2 Meters | Office Carbon Dioxide Meter

CO2 Detector

$121
  • Palm Sized
  • Infrared Sensor
  • Three Readings
  • Rechargeable

Price: $121

  • Delivery time: 5 to 7 days after a 24 to 48 hour handling time
  • Free delivery across Australia on orders $75+, otherwise a flat $27.50
  • Pay by card or PayPal, handled by the payment provider
  • 14 days to change your mind, plus your statutory rights
Product specifications
MeasuresCarbon dioxide, temperature and humidity
SensorInfrared
DisplayFull colour, backlit
AlarmIntelligent alarm on the reading
PowerBuilt-in rechargeable battery
PortabilityPalm sized
FulfilmentPicked and packed from our own warehouse stock
Delivery5 to 7 days across Australia, after a 24 to 48 hour handling time
FulfilmentPicked and packed from our own warehouse stock
Shipping & returns

Tracked delivery anywhere in Australia. It is free on orders of $75 or more, and a flat $27.50 below that. Allow 5 to 7 days, after a 24 to 48 hour handling time.

Change of mind is not a legal right in Australia, so the 15 days we give you from delivery is our own policy rather than a statutory return, and the goods have to come back in resaleable condition. We refund the price you paid, including standard delivery. You cover the cost of returning it unless the item is faulty.

If it arrives faulty, damaged or not as described, we put it right at no cost to you under the consumer guarantees in the Australian Consumer Law, return postage included. Those guarantees cannot be excluded.

Shipping details · Refunds and returns

Looking after it

Keep it out of direct sun and away from a draught or an open window, both of which give you a reading of the outside. Charge it before it is flat. Wipe the case with a dry cloth.

Palm SizedCarry it between rooms and compare them
Infrared SensorFaster and steadier than a chemical cell
Three ReadingsCarbon dioxide, temperature and humidity
RechargeableSpot check anywhere, or leave it monitoring

A palm-sized carbon dioxide meter you can carry room to room.

Infrared sensing with a full-colour screen, showing CO2 with temperature and humidity, on a rechargeable battery.

A portable carbon dioxide meter, small enough to hold and carry.

Infrared sensing, which settles faster and drifts less than a chemical sensor.

A full-colour backlit display, operated with one key.

It shows temperature and humidity alongside the carbon dioxide reading.

A rechargeable battery, so you can spot check a bedroom or leave it running in an office.

CO2 Detector

Carbon dioxide indoors is a proxy for ventilation. It comes out of people, so a rising number in a closed room means the air is not being changed.

CO2 Detector

This is the portable one. It is palm sized and runs on its own battery, which means you can carry it around the house and compare rooms rather than learning about one of them.

CO2 Detector

That is genuinely the most useful thing you can do with a CO2 meter, and it is why we would point most people at this model rather than the large-display one. Walk it round for a day and you will find the room that needs a window open.

CO2 Detector

The sensor is infrared. It responds quickly and holds calibration better than the chemical type, which is what makes room-to-room comparison meaningful rather than a set of numbers taken while the sensor is still settling.

Temperature and humidity share the screen, and the display is full colour with a backlight and one-key operation.

It reports a number and does nothing about it. It is not an alarm system, not a safety device, and not a carbon monoxide detector.

Not sure yet? That is fine.

You can change your mind. Change of mind is not a legal right in Australia, so the 15 days we give you from delivery is our own policy rather than a statutory return, and the goods have to come back in resaleable condition. We refund the price you paid, including standard delivery.

If it turns up faulty, damaged or not as described, that is on us. Under the Australian Consumer Law our goods come with guarantees that cannot be excluded: they must be of acceptable quality, match their description, and do what we said they would. If they do not, you are entitled to a repair, a replacement or a refund, and to compensation for any other reasonably foreseeable loss. For a major failure the choice between a refund and a replacement is yours, not ours. We pay the return postage. Read the full detail on our refunds and returns page, or ask us anything before you order.

Frequently Asked Questions

How is this different from the Office CO2 Meter?

Same measuring job, different form. This is the portable palm-sized one you carry between rooms; the other is the large-display model meant to be read across a room.

What does it measure?

Carbon dioxide in parts per million, plus temperature and humidity.

What sensor does it use?

Infrared, which settles faster and drifts less than the older chemical type.

Is it portable?

Yes, palm sized on a rechargeable battery, which is the whole point of this model.

What is a good CO2 reading for an office?

This store's own guidance points at 800 ppm as the level to open a window or turn up the ventilation. That is a number to judge by rather than a legal threshold.

Where should I put it?

At about seated head height, away from a window, a door and a vent. Next to an open window you are measuring the outside.

Is this a safety alarm?

No. It is a measuring instrument that displays a number. It is not a carbon monoxide alarm and not a fire detector.

What does ppm mean?

Parts per million. 800 ppm means 800 molecules of carbon dioxide in every million molecules of air.

Why does the reading jump when someone comes in?

Because people breathe out carbon dioxide. A meter that responds to a room filling up is working.

Does it need calibrating?

Follow the instructions supplied with your unit. The general rule is that a spell in fresh outdoor air resets the baseline.

Can I use it at home?

Yes, and a bedroom overnight is the reading that surprises most people.

Does it have an alarm?

Yes, it alarms on the reading.

How long does the battery last?

Hours of continuous use on a charge. Leave it on the charger if you want it monitoring one room permanently.

Will it tell me if the air is unhealthy?

It tells you the carbon dioxide concentration. What that means for a particular room is a judgement, and a genuine air quality concern at work is a question for a professional.

Where does it ship from?

This one is picked and packed from our own warehouse stock.

How much is delivery on the CO2 Detector?

Free on orders of $75 or more. Below that it is $27.50 including GST, whatever you order. Nothing is added at the end.

How long will it take to arrive?

5 to 7 days after a 24 to 48 hour handling time. The handling time is the part before it leaves us and the 5 to 7 days is the delivery itself.

Is there a faster delivery option?

Not through the website. Every order goes on the same tracked service. If you need something by a particular date, email us before you order and we will tell you honestly whether it can be done.

Do you deliver across the whole of Australia?

Yes, every state and territory. We are an online supplier with no shop or showroom, which is part of how the pricing works.

Do the prices include GST?

Yes. Every price on this site is what you pay in Australian dollars, GST included.

Can I change my mind after it arrives?

You have 15 days under our own returns policy. Change of mind is not a legal right in Australia, so this is us choosing to offer it rather than a statutory return. Return postage is yours and a $39 handling charge applies to a change-of-mind return.

What if it arrives damaged or faulty?

Tell us and we will sort it. Under the Australian Consumer Law goods have to be of acceptable quality, match their description and do what we said they would, and if they do not that is our problem to fix rather than yours to pay for. Email theteam@customersupport.care with a photograph and your order number.

Can I cancel after ordering?

Until it ships, yes. Contact us within 12 hours, because most orders leave within 24. A 12.5 percent service and processing fee applies to a cancellation.

Do I get a receipt and a tracking number?

A receipt by email as soon as payment goes through, and a second email with the tracking number once the order ships.

What payment methods do you take?

Card payments through our checkout, and PayPal. Card details are handled by the payment provider and never stored by us.

What currency are your prices in?

Australian dollars. Every price is the price you pay in AUD, with no conversion at the end.

Is there a discount code?

Yes. `valued-customer` takes 15 percent off your goods at the cart. It applies to the products rather than to the delivery.

Do you have a shop I can visit?

No. We are an online supplier with no physical shop or showroom, and that is deliberate: the saving goes into the price rather than into a lease.

Can I buy several CO2 Detectors for an office?

Yes, and if you want more than a handful use the wholesale quote page and we will price it properly rather than making you add them to the cart one at a time.

Who are you, exactly?

Home Office Company, a division of BuyFactory Direct Pty Ltd, ABN 30 656 628 938. Our administration office is Suite 307, Norwest Central, 12 Century Circuit, Norwest NSW 2153. The company details are on every legal page rather than buried.

Get the edge right first time

Not sure which model suits your desk, or whether something will fit the space you have? Ask before you order. Free delivery across Australia on orders over $75.

Ask us a question

Page summary

CO2 Detector sold by Home Office Company at inhomeoffice.com.au. A palm-sized carbon dioxide meter you can carry room to room. Infrared sensing with a full-colour screen, showing CO2 with temperature and humidity, on a rechargeable battery. Measures Carbon dioxide, temperature and humidity. Sensor Infrared. Display Full colour, backlit. Alarm Intelligent alarm on the reading. Priced at AUD 121 including GST. Care: Keep it out of direct sun and away from a draught or an open window, both of which give you a reading of the outside. Charge it before it is flat. Wipe the case with a dry cloth. Returns: Your rights under the Australian Consumer Law apply to every order: goods must be of acceptable quality, match their description and do what we said they would, and nothing on this site limits that. Change of mind is our own policy rather than a legal right, and we give you 15 days. Return postage is yours on a change of mind and ours if the item arrived damaged or faulty. Delivery across Australia in 5 to 7 days after a 24 to 48 hour handling time, free on orders of AUD 75 or more and otherwise a flat AUD 27.50 including GST.