Measuring indoor air quality, comfort level and air-flow

Grab an awesome deal from Testo

It is possible to precisely adjust the indoor climate and create ideal conditions for staff as well as machinery by measuring indoor air quality (IAQ) and comfort level. Also, from a systems perspective, it’s important to measure the air flow from ventilation and air-conditioning systems to get an idea whether they are performing as they should.

testo 440 – Intuitive air velocity and IAQ

Measures all relevant parameters: CO2 concentration in the air, degree of turbulence, temperature, humidity, air-flow, pressure and illuminance. Every work-place should have one of these hand-held intuitive instruments!

We offer a choice of testo 440 kits. See Product details for kit inclusions. You may also customise your own kits to suit individual requirements.

Special offer 1*: purchase a testo 440 Indoor comfort kit and receive a FREE Digital multimeter (testo 770-2) via redemption.

Special offer 2*: purchase a testo 440 Indoor Comfort ComboKit and receive a FREE Digital multimeter with Bluetooth (testo 770-3) via redemption

testo 420 – Air flow hood

Light, precise and convenient: the testo 420 flow capture hood makes volume flow measurement at larger air inlets and outlets considerably easier. At only 2.9 kg, it is the lightest volume flow hood on the market for use in industry, office, cleanrooms. 1

6 measurement points - temperature, humidity, differential and absolute pressure. Bluetooth integration with App and other smart instruments from Testo.

Special offer*: purchase a testo 420 Air flow hood and receive a FREE ………………… (testo …………..) via redemption.

Discover these intuitive, precise and smart comfort level and air-flow measuring instruments today. Ask a Testo Authorised Dealer for a demo.

*Specials offer are via redemption only. Valid from 7 September to 30 November 2020.

How to easily redeem your FREE instrument

2. Register your purchase by completing the quick online form below

3. We will take care of the rest and arrange your complementary instrument to be sent to the registered address

You can register here


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The following conditions apply to the participation in the Testo Bonus offer ("Promotion").

  1. Organizer

The organizer of the promo is Testo SE & Co. KGaA, Testo-Strasse 1, 79853 Lenzkirch, Germany (“Organizer”). The promo will be handled by Testo Pty Ltd, Unit 11, 114-118 Merrindale Drive, Croydon South VIC 3136, Australia, the agency contracted to do so by the organizer.

  1. Promotional object

The object of the promotion is the granting of a cost-free give away with the purchase of a defined Testo measuring instruments and the subsequent registration with sending in a copy of the invoice receipt or delivery note.

  1. Eligibility for participation

Eligible for participation are natural persons resident in Australia. Employees of the organizer, affiliated companies and other companies involved in the conception and implementation of the promo, as well as their relatives, are excluded from participation. Participation is possible from the age of 18 years.

  1. Participation in the promotion

In order to participate in the promo, the participant must purchase a promotional instrument from a participating distributor or directly at Testo Pty Ltd in Australia, in the period from 17 August 2020 and 30 November 2020, whether in his/her own name or on behalf of a company. The participant must then register here on the Promo page and verify the purchase with a copy of his invoice or delivery note.

After the registration has been checked and confirmed, the give away will be sent to the participant. The customer has the possibility to complete the registration by 15 December 2020.

Each participant can only participate once in the promotion for each purchased promotional device. Multiple participations with different or several address data as well as other manipulative measures lead to the immediate exclusion of the participant from the promotion.

In return for participation in the promotion, the participant agrees that the organizer may process his personal data for advertising purposes (including personal product recommendations).

  1. Give away

After a successful eligibility check, every participant receives a give away in the form a Testo instrument or promotional product. The agency sends the give away to the participant by post. The risk of loss passes to the participant when the item is handed over to a transport person and the participant accepts these conditions of participation. Registered participants who are entitled to participate will generally receive the give away within 30 working days of successful verification of their registration at the specified address. If the give away cannot be delivered twice, the participant may be excluded from the promotion. In the event of unexpectedly high demand, there may be delays in delivery.

A cash payment is excluded. The right to the give away is not transferable.

  1. Liability

The organizer is not liable for any damages which occur in the course of the implementation of the promo, unless the organizer or his/her agent has caused the damage through gross negligence or intention or has violated a contractual (cardinal) obligation. In the case of slight violation of cardinal obligations, the liability of the organizer is limited to predictable, contractually typical damages. Liability in the case of culpable damage to life, body or health due to malicious concealment of defects is unaffected. Liability according to the product liability legislation is unaffected.

  1. Data protection

The data from the participants recorded in the framework of the promotion will be recorded, stored and used for the implementation of the promotion. The complete data protection information for the receipt of application-specific information is contained in the data protection declaration at Privacy Policy

  1. Other

These conditions for participation are subject to Australian law, excluding international private law and the UN Convention on Contracts for the International Sale of Goods.