Best IQ for IAQ

Whether it’s an office, educational institution or any workplace environment, the testo 400 IAQ and comfort kit takes care of the standard-compliant and objective measurement of all relevant IAQ and comfort parameters such as PMV and PPD along with draughts and turbulence levels in accordance with EN ISO 7730 and ASHRAE 55.

The IAQ kits from Testo cater for your specific application, whatever IAQ, comfort, lux measurement you take. If you are in need of an upgrade or wish to start out in IAQ monitoring, it's a good time now with Testo special redemption offers:

Receive a FREE* Humidity / temperature probe (digital) with Bluetooth® (item #0636 9731) when you purchase one of the following kits:


  • testo 400 kit AND digital Hot wire probe with extensions (0635 1572)
  • testo 400 kit AND 100mm Vane probe (0635 9432)
  • testo 400 kit AND Lux Probe (0635 0551)
  • testo 400 kit AND IAQ probe (0632 1552)
  • testo 400 kit AND CO probe (0632 1272)


    Receive a FREE* High precision Humidity / temperature probe (digital) with Bluetooth® (item #0636 9771) OR the testo 915i Thermometer and temperature probes kit when you purchase one of the following kits:

  • testo 400 Air flow kit with Hot wire probe (0563 0400 71)
  • testo 400 Air flow kit with 16mm Vane probe (0563 0400 72)
  • testo 400 IAQ and Comfort kit with Tripod (0563 0401)
  • testo 400 Wet Bulb Globe Temperature (WBGT) kit (0618 7220)

    *Special offer via redemption only. Valid until 30 September 2022.



How to easily redeem your FREE instrument

  1. Register online by completing the quick form below
  1. Relax and receive your FREE testo instrument
Relax and receive

You can register here


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Conditions of participation for the
Testo Bonus offer

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 27 July  2022 and 30 September 2022, 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 30 November  2022.

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.