testo 440 - Hot wire kit (Ø 0.35")

Delivery Scope testo 440 air velocity and IAQ measuring instrument, 3 AA batteries, USB cable, and calibration protocol (0560 4401) Hot wire probe...

testo 540 - Light meter

The testo 540 lux meter can be used to measure artificial and natural light in the workplace. The testo 540 lux meter: compact, easy to use, precise The testo 540...

testo 545 - Digital Lux meter with App connection

Illuminance is a decisive factor for productivity, well-being and health, especially in workplaces. Light sources that are too bright dazzle, while those that are too dark...

testo 535 - Digital CO2 measuring instrument with App connection

For indoor air quality and comfort, the measurement of the carbon dioxide content in the indoor air is crucial. To obtain precise results quickly, you need a suitable...

testo 550i Smart Kit - App-controlled digital manifold with wireless vacuum and wireless clamp temperature probes (NTC)

Delivery Scope testo 550i digital 2-way manifold including batteries (3 x AAA) and calibration protocol testo 552i wireless vacuum probe 2 x testo 115i wireless Bluetooth...

testo 550i Smart Kit - App-controlled digital manifold with wireless clamp temperature probes (NTC) and wireless thermohygrometers

Delivery Scope testo 550i digital 2-way manifold including batteries (3 x AAA) and calibration protocol 2 x testo 115i wireless Bluetooth clamp thermometers 2 x testo 605i...

Air flow grid - for supply air diffusers

Use the air flow grid to carry out accurate measurements on laminar flow supply air outlets. Use in conjunction with a differential pressure measuring instrument (e.g. testo...

Low pressure probe, refrigerant-proof stainless steel, witho... - Low pressure probe

Low pressure probe, refrigerant-proof stainless steel, without cable

Oil pressure probe for checking oil level in the compressor - Oil pressure probe

In order to check the lubricating oil pressure in the refrigeration compressor, simply attach the oil pressure probe to the appropriate measuring instrument, screw the...

Intelligent Valve with Bluetooth - for testo 560i Digital Refrigerant Scale

Fully automatic and precise charging of refrigeration systems, ductless mini-splits, and heat pumps: The testo 560i Intelligent Valve makes it possible - with the testo 560i...

testo 420 - Differential pressure manometer

The CEC compliant testo 420 differential pressure measuring instrument is suitable for accurate differential pressure measurement up to 120 Pa, suitable for checking filters in...

testo 560i - Digital Refrigerant Scale with Bluetooth

Measuring refrigerant weight quickly, precisely and conveniently - that's only possible with the testo 560i digital refrigerant scale. Operation and display of measured values...