Home 9 Power Source: USB-C
Calmo – USB CO2 Monitor

Calmo – USB CO2 Monitor

Introducing the Calmo – USB Air Quality Monitor.

This NDIR CO2, Temperature, and Humidity Monitor revolutionises air quality monitoring with its comprehensive data, customisable alarm levels and user-friendly interface. With 8-hour and 24-hour peak and average readings, traffic light display, and buzzer alerts, you can confidently manage and optimise your indoor environment.

Choose between 230V or USB C power options for seamless integration into your existing setup. Experience enhanced air quality monitoring and make informed decisions for a healthier, more comfortable space with our advanced NDIR CO2, Temperature, and Humidity Monitor. The Calmo can be powered with either 230V or USB C power.

Meets the requirements for:

read more
Gas Leak Tester Instrument – ST200PT

Gas Leak Tester Instrument – ST200PT

The ST200PT is an electronic pressure gauge that can be used both for system leak tests and for static, dynamic and differential pressure measurements, with indication of minimum and maximum value measured.

read more

Welcome to the Duomo Knowledge Centre

This is the UK’s Go-To resource for Gas Detection & Safety Equipment and is updated regularly. If we haven’t already written about a particular aspect that you’re interested in, then please submit your enquiry here and one of our qualified team of engineers will take a look.

Download our Brochure

Subscribe to the Duomo newsletter and receive the latest copy of our brochure. Sent straight to your inbox.

  • This field is for validation purposes and should be left unchanged.

Download our Brochure

Frequently Asked Questions

Can I buy products online at Duomo.co.uk

Yes – you can browse our products, see prices and purchase online. Not all prices are available online so we would ask that you contact us for more information on those products on +44 (0)1905 797989

Do your prices include VAT?

All prices at Net prices shown in GBP (£) & exclude Value Added Tax.

VAT is added at checkout when purchasing online to all orders dispatched within the UK.

Can I have my order delivered to a different delivery address?

Yes. When you place your order you can add a different delivery address. If the billing address is different to your delivery address the invoice will always be sent to your billing address. Please remember your billing address is the address at which your payment card is registered.

Are all the products on your website in stock?

We make every effort to ensure that products listed on our website are currently in stock & available for despatch. However, if an item is out of stock due to high demand, we will contact you as soon as possible to either suggest a carefully selected alternative, or to advise you of a delivery date.

Can I order over the telephone?

Yes. You can place an order with us over the telephone by calling us on +44 (0)1905 797989 between 9.00am & 16:45pm Monday to Friday.

Do you offer any discounts?

Discounts may be available for large quantity purchases. The item price is calculated when you increase / decrease the number of units required on any product page. Please ask our sales team about multiple quantity purchases on the products that are not available to purchase online.  Call +44 1905 797989  or email [email protected] with your details and the product(s) you are interested in and we will provide you with a quotation.


Support & Service

If you require technical assistance or an annual service on this product please contact us and we will be happy to help. Our qualified team of engineers are available Nationwide.

Duomo (UK) Ltd

Pin It on Pinterest