<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0636-9772">>> To the product (fixed cable)</a><br/> <a href="…/p/0636-9771">>> To the product (wireless, with Bluetooth)</a><br/>Please note that the successor products are only compatible with testo 400 or testo 440.</b></div>

For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature.

For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO₂ probe head.

The humidity module can be attached to various Testo radio handles. It enables a high level of accuracy thanks to the precise humidity sensor.<br />
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Wireless handle (0554 0189) and wireless module (0554 0188) are required to use a radio probe, and these can be ordered optionally.

For measurements in cleanrooms and laboratories, and critical processes in the pharmaceutical, industrial and food sectors, as well as in storage, refrigerated and work rooms or in air conditioning/ventilation ducts: use the high-precision humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

For measurements in cleanrooms and laboratories, and critical processes in the pharmaceutical, industrial and food sectors, as well as in storage, refrigerated and work rooms or in air conditioning/ventilation ducts: use the high-precision humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature.<br />&nbsp;

More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the high-precision humidity/temperature probe head.

For measurements in ventilation ducts: use the hot wire probe (with the compatible measuring instrument) to measure air velocity, volume flow, air temperature and humidity.

For measurements in ventilation ducts: use the hot wire probe (with the compatible measuring instrument) to measure air velocity, volume flow, air temperature and humidity. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0635-1572">>> To the product (fixed cable)</a><br/> <a href="…/p/0635-1571">>> To the product (wireless, with Bluetooth)</a><br/>Please note that the successor products are only compatible with testo 400 or testo 440.</b></div>

More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the hot wire probe head.

For measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps: use the humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature.

For measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps: use the humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

The ideal probe for measuring the humidity and temperature of the air in storage, refrigerated and work areas, as well as in air conditioning/ventilation ducts. Also suitable for long-term measurements.

More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the humidity/temperature probe head.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0632-1552">>> To the product (fixed cable)</a><br/> <a href="…/p/0632-1551">>> To the product (wireless, with Bluetooth)</a><br/>Please note that the successor products are only compatible with testo 400 or testo 440.</b></div>

Zgodnje prepoznavanje tveganja od plesni: V kombinaciji z va&scaron;im pametnim telefonom/tabličnim računalnikom, kit za plesen za testo Smart Sonde je popoln za prepoznavanje področij, za katera obstaja sum, da bi lahko imela plesen v zgodnji fazi. Uporabljajte testo Smart Sonde testo 605i in testo 805i za merjenje temperature okolice, relativne vlažnosti ter temperature povr&scaron;ine. Zahvaljujoč testo Smart Aplikaciji, lahko delate lažje in učinkovitej&scaron;e: Ocenite rezultate indikacije plesni po načelu semaforja (zelena, rumena, rdeča), shranite merilne podatke kot PDF ali Excel datoteko s pritiskom na tipko. Poročila o merilnih podatkih se lahko direktno po&scaron;ljejo po e-po&scaron;ti &ndash; le-ta vsebujejo fotografije prizadetih področij zaradi bolj&scaron;e ilustracije.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0636-9775">>> To the product</a><br/> Please note that the successor product is only compatible with testo 400 or testo 440.</b></div>

For measurements in industrial exhaust air, in bulk materials and in climatic test cabinets: use the robust humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature up to +180&nbsp;&deg;C.<br />&nbsp;

Za inženirje hladilnih sistemov: Kit vsebuje dva testo&nbsp;549i merilnika visokega pritiska, dva testo&nbsp;605i thermohigrometra in dva testo&nbsp;115i spojna termometra. V kombinaciji z va&scaron;im pametnim telefonom/tabličnim računalnikom je kit popoln za servisiranje, re&scaron;evanje problemov in namestitev klima ter hladilnih sistemov. Testo Smart Aplikacija va&scaron;e delo naredi lažjim in učinkovitej&scaron;im: več kot 90 shranjenih hladilnih sredstev, avtomatski izračun pregrevanja/podhlajevanja, ciljno pregrevanje in moč hlajenja/ogrevanja, po&scaron;iljanje poročil o merilnih podatkih po e-po&scaron;ti kot PDF ali Excel datoteke.

Za inženirje klima sistemov: Kompaktni kit, ki vsebuje &scaron;tiri merilna instrumenta za va&scaron;e najpomembnej&scaron;e aktivnosti merjenja na in v odnosu na klima sisteme. Zahvaljujoč testo Smart Aplikaciji, lahko delate lažje in učinkovitej&scaron;e: Uporabljajte intuitivne merilne menije za merjenje pretoka zraka, avtomatski izračun točke kondenzacije in temperature vlažnega termometra ali za prepoznavanje področja s morebitno plesnijo, po načelu semaforja. Na koncu, poročilo o merilnih podatkih se lahko po&scaron;lje direktno po e-po&scaron;ti kot PDF ali Excel datoteka.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer:<a href="https://www.testo.com/400">>> To the product</a></b></div>

<p>Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO2 probe with Bluetooth® including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away!</p>

<p>Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth® safely stowed away in the case. So you can get down to work straight away!</p>

Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument, the CO<sub>2</sub> probe with Bluetooth<sup>&reg;</sup> including temperature and humidity sensor and the turbulence probe are all safely stowed away in the case. So you can get down to work straight away!

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor and the 100 mm vane probe head and hot wire probe head (Ø 9 mm) for attachment to the universal Bluetooth<sup>&reg;</sup> handle supplied.  To make measurements more convenient, both probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

<p>Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, two vane probe heads (Ø 100 mm and Ø 16 mm) and a humidity/temperature probe head – all three can be attached to the universal Bluetooth® handle supplied. To make measurements more convenient, both vane probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.</p>

The testo 605-H1 thermohygrometer enables reliable measurement of humidity and air temperature and calculation of the dew point. It has a permanently mounted probe shaft which means it is excellent when it comes to carrying out check measurements in ventilation ducts.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Izdelek ni več na voljo. Ali že poznate naslednika?<br/>Izkoristite prednosti: <a href="…/p/0563-1625">>> Do izdelka</a></b></div>

The testo 635-1 temperature and humidity measuring instrument enables you to measure the temperature, air humidity and dew point – in compressed air as well. State-of-the-art technology and a large selection of probes, which are available as an option, enable this wide variety of measuring possibilities.

The testo 635-2 temperature and moisture meter allows you to carry out temperature and moisture measurements on a variety of different materials, surfaces and environments. This is made possible due to leading-edge technology and a wide selection of optionally available sensors.

The U-value is the most important value for proving the heat loss of a building. With the testo 635-2 thermohygrometer and compatible accessories from the U-value set, determining the U-value is now easier than ever.

The testo 645 humidity/temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature at the touch of a button.

Vrhunski kit za inženirje na polju grelnih, klima, hladilnih in prezračevalnih sistemov: Kit vsebuje vse testo Smart Sonde in je popoln za izvajanje funkcionalnih kontrol ali vzdrževanje obrata (pogona), v kombinaciji z va&scaron;im pametnim telefonom/tabličnim računalnikom. Zahvaljujoč testo Smart Aplikaciji, lahko delate lažje in učinkovitej&scaron;e: Avtomatski izračunajte &scaron;tevilne parametre kot so pregrevanje/podhlajevanje, ciljnoo pregrevanje, moč hlajenja/ogrevanja, diferencialne temperature ali detekcije plesni. Na koncu, poročilo o merilnih podatkih se lahko po&scaron;lje direktno po e-po&scaron;ti kot PDF ali Excel datoteka.

Ideal kit for IAQ professionals, with a focus on indoor air quality and comfort level. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one CO₂ probe (with Bluetooth<sup>&reg;</sup> handle), one turbulence probe and one globe thermometer Ø 150 mm (both with fixed cable). Use the measuring tripod to ensure standard-compliant positioning of the probes. In combination with the IAQ data logger, which is available to order separately, long-term measurements up to 2 weeks can be recorded, even without the IAQ measuring instrument.

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one vane probe head (Ø 16 mm), one vane probe head (Ø 100 mm) and one high-precision humidity/temperature probe head – all three can be attached to the Bluetooth<sup>&reg;</sup> handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90° angle.

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one hot wire probe head (including temperature and humidity sensor), one vane probe head (Ø 100 mm) and one high-precision humidity/temperature probe head – all three can be attached to the Bluetooth<sup>&reg;</sup> handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90° angle.

Kompaktni instrument za merjenje temperature in vlažnosti testo 605i z upogljivo glavo sonde se odlikuje po profesionalni merilni tehnologiji v inteligentnem formatu: lahko se uporablja skupaj s pametnim telefonom/tabličnim računalnikom in testo Smart Aplikacijo za zanesljivo merjenje temperature ter vlage zraka v prostorih in ceveh.

S kompaktnim termohigrometrom testo 625 lahko enostavno, hitro in natančno izmerite temperaturo zraka in relativno vlažnost, da bi oceniili kakovost zraka v zaprtih prostorih ali zagotovili optimalne pogoje v skladiščih. Aplikacija testo Smart vas podpira z uporabnimi funkcijami, kot so konfiguracija, prikaz (tudi kot drugi zaslon) in shranjevanje ter dokumentacija izmerjenih vrednosti neposredno v aplikaciji.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Are you familiar with the alternative?<br/>Why not enjoy the benefits that it has to offer: <a href="…/p/0563-0002-32">>> To the product</a></b></div>

This ISO calibration certificate certifies that your measuring instrument or probe is calibrated. Calibration is carried out according to the ISO standard.

General technical data	Product-/housing material paper
General technical data	Product colour white

kompetenca@optimum

ISO humidity calibration certificate - with 2 measuring points

ISO humidity calibration certificate - with 2 measuring points

General technical data

General technical data