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As you know, RS Group acquired Elfa Distrelec in July 2023. In connection with the merger, we are closing our existing warehouse to deliver from an RS warehouse. Our aim is that you are minimally affected by this ongoing merger, and we also take the opportunity to thank you for your patience. Once we are ready, we will be one company and you will benefit from one single website, a combined customer service, a very large product range and additional solutions.

Testo

Measurement competence for every type of application

Measuring instruments and solutions from Testo give you the certainty of making the right decision at the crucial moments of your job. Whether it is the testing of heating, cooling and ventilation systems, the automated monitoring of climate parameters or the detection of energy weak points in buildings. You can always rely on Testo when it counts.
Since 1957.

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Your reliable partner with the complete offer

Modern measurement technology should not only deliver precise results. The challenge is to make everything before and after the measurement as efficient as possible. Every day. In this way, operating costs can be reduced and the performance of systems optimised. No wonder that Testo's integrated measurement solutions are the first choice worldwide for building services, quality assurance, maintenance and facility management. Because at Testo you get the complete range of measurement technology - smart and from a single source.

Testo Smart Probes

Measurement is more mobile, more productive and easier than ever before, with the new Smart Probes from Testo: Compact, pro measuring instruments for your smartphone.

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Electrical measuring instruments – the new generation

Whether multimeters, clamp meters, current testers or voltage testers – thanks to innovative technologies and simplified application, Testo’s measuring instruments measure electrical parameters such as current, voltage or resistance more reliably and precisely than ever before. Find out about service, calibration and training as well. For better performance in electrical measuring technology.

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Thermal imaging cameras for every job

Testo have launched a brand-new range of ‘smart’ thermal cameras. Designed for contractors in HVAC, facilities maintenance, electrical, plant and building maintenance, these four new cameras are the ultimate diagnostic tool. Brand new innovative features make analysis even simpler.

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Spotlights

Featured products

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Test & Measurement (199) Extended Ranges (34) Circuit Protection (1)
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Channels
Measuring Temperature Min.
Measuring Temperature Max.
Sensor / Thermocouple Type
Display Type
Storage Capacity
Battery Type
Interface Type
Protection Rating
Temperature Measuring Range Min.
Temperature Measuring Range Max.
Detector Resolution
Field of View
Focus Type
Focus Distance Min.
Thermal Sensitivity
Temperature Accuracy
Display Resolution
Display Size
Image Capture Frequency
Image Storage
Emission Factor
Inputs
Probe Temperature Range Min.
Probe Temperature Range Max.
Accuracy
IR Temperature Range Min.
IR Temperature Range Max.
Temperature Probe
Resolution
Response Time
Temperature Scale
Distance to Spot Ratio
Data Storage
Battery Life
Test Probe Functions
Probe Configuration
Length
Diameter
Other Measuring Ranges
Suitable for
Temperature Sensor
Cable Length
Temperature Resolution
Air Pressure Min.
Air Pressure Max.
Pressure Measuring Range Min.
Pressure Measuring Range Max.
Pressure Accuracy
Pressure Resolution
Air Velocity Min.
Air Velocity Max.
Air Velocity Resolution
Air Flow Rate
Humidity Min.
Humidity Max.
Humidity Resolution
Lux Measuring Range Min.
Lux Measuring Range Max.
Lux Resolution
Lux Accuracy (±)
Operating Temperature Min.
Operating Temperature Max.
Thermometer Type
CO2 Min.
CO2 Max.
CO2 Resolution
CO2 Accuracy
New to us
Testo 860i Bluetooth Thermal Imaging Camera, -20 → +350 °C, 256 x 192pixel Detector Resolution 304-86-947 0563 0860Testo 860i Bluetooth Thermal Imaging Camera, -20 → +350 °C, 256 x 192pixel Detector Resolution
SEK 4.898,00 (Exc. Vat)
1 +4.898,00
 Testo --------------------------------------------------------------------
New to us
Data logger temperature, 4 Channels, SD Card / USB, 2000000 Measurements 304-46-633 TESTO 176 T4 RS CALData logger temperature, 4 Channels, SD Card / USB, 2000000 Measurements
SEK 6.298,00 (Exc. Vat)
1 +6.298,00
 Testo 4-200 °C1000 °CJ ...LCD2000000 Measurements1x TL-5903SD Card ...IP65-----------------------------------------------------------
New to us
Thermal Imager Kit, LCD, -30 ... 650°C, 27Hz, IP54, Manual, 320 x 240, 30 x 23° 302-15-665 0563 8830Thermal Imager Kit, LCD, -30 ... 650°C, 27Hz, IP54, Manual, 320 x 240, 30 x 23°
SEK 59.586,04 (Exc. Vat)
1 +59.586,04
 Testo ----LCD--Bluetooth ...IP54-30 °C650 °C320 x 24030 x 23°Manual400 mm40 mK2 %320 x 2403.5 "27 Hz2.8 GB Internal Memory1----------------------------------------------
Thermal Imager, LCD, -30 ... 100°C, 9Hz, IP54, Fixed, 160 x 120, 31 x 23° 303-68-558 TESTO 868SThermal Imager, LCD, -30 ... 100°C, 9Hz, IP54, Fixed, 160 x 120, 31 x 23°
SEK 19.041,65 (Exc. Vat)
1 +19.041,65
 Testo ----LCD--Micro USB 2.0 ...IP54-30 °C100 °C160 x 12031 x 23°Fixed500 mm80 mK2 %320 x 2403.5 "9 Hz2.8 GB Internal Memory1----------------------------------------------
IR-Thermometer with Penetration Probe 6:1 -50 ... 300°C NTC -50 ... 230°C 302-24-318 0563 8284IR-Thermometer with Penetration Probe 6:1 -50 ... 300°C NTC -50 ... 230°C
SEK 1.998,91 (Exc. Vat)
1 +1.998,91
 Testo ----LCD-2x AAA---------------1-50 °C230 °C0.5 °C-50 °C300 °CNTC0.1 °C1.25 sCentigrade6:1No20 h---------------------------------
Vane Probe with Bluetooth, 16mm, Air, -10 ... 70°C 301-05-588 0635 9571Vane Probe with Bluetooth, 16mm, Air, -10 ... 70°C
SEK 9.509,27 (Exc. Vat)
1 +9.509,27
 Testo --10 °C70 °C--------------------------------Air Velocity ...Air1 m16 mmAir Velocity: 600 mm/s ... 50 m/s440---------------------------
Vane Probe Head, 16mm, Air, NTC, -10 ... 70°C 301-05-587 0635 9570Vane Probe Head, 16mm, Air, NTC, -10 ... 70°C
SEK 7.048,18 (Exc. Vat)
1 +7.048,18
 Testo --10 °C70 °C--------------------------------Air Velocity ...Air230 mm16 mmAir Velocity: 600 mm/s ... 50 m/s400 ...NTC--------------------------
Vane Probe with Bluetooth, 100mm, Air, NTC, -20 ... 70°C 301-05-584 0635 9431Vane Probe with Bluetooth, 100mm, Air, NTC, -20 ... 70°C
SEK 5.546,11 (Exc. Vat)
1 +5.546,11
 Testo --20 °C70 °C--------------------------------Air Velocity ...Air375 mm100 mmAir Velocity: 300 mm/s ... 35 m/s400 ...NTC--------------------------
Fume Cupboard Probe, Air, NTC, 0 ... 50°C 301-05-576 0635 1052Fume Cupboard Probe, Air, NTC, 0 ... 50°C
SEK 8.330,72 (Exc. Vat)
1 +8.330,72
 Testo -0 °C50 °C--------------------------------Temperature ...Air350 mm-Absolute Pressure: 70 ... 110 kPa440NTC1.4 m-------------------------
CO Probe Head, Air 301-05-568 0632 1270CO Probe Head, Air
SEK 3.500,98 (Exc. Vat)
1 +3.500,98
 Testo -----------------------------------CO ConcentrationAir30 mm30 mmCO: 0 ... 500 ppm440---------------------------
Turbulence Probe, Air, NTC, 0 ... 50°C 301-05-567 0628 0152Turbulence Probe, Air, NTC, 0 ... 50°C
SEK 10.907,35 (Exc. Vat)
1 +10.907,35
 Testo -0 °C50 °C--------------------------------Temperature ...Air400 mm820 mmAbsolute Pressure: 70 ... 110 kPa440NTC1.4 m-------------------------
Temperature Probe, Air, NTC, -50 ... 125°C 301-05-565 0615 1712Temperature Probe, Air, NTC, -50 ... 125°C
SEK 935,91 (Exc. Vat)
1 +935,91
 Testo --50 °C125 °C---------------------------60 s----TemperatureAir115 mm5 mm-440NTC1.2 m-------------------------
Air Velocity Lux Kit, -200 ... 1370°C 301-05-555 0563 4402Air Velocity Lux Kit, -200 ... 1370°C
SEK 7.221,50 (Exc. Vat)
1 +7.221,50
 Testo ------3x AA---200 °C1370 °C-----------------------12 h----Temperature - NTC: -40 ... 150 °C---0.1 °C------------------------
Data logger pressure/temperature/humidity, 5 Channels, SD Card / Mini USB, 2000000 Measurements 176-72-590 TESTO 176 P1Data logger pressure/temperature/humidity, 5 Channels, SD Card / Mini USB, 2000000 Measurements
SEK 7.557,00 (Exc. Vat)
1 +7.557,00
 Testo 5-20 °C70 °CNTC ...LCD2000000 Measurements1x TL-5903SD Card ...IP54------------------------------Humidity: 0 ... 100%----600 mbar1.1 bar----------------------
Data logger temperature, 1 Channels, SD Card / Mini USB, 2000000 Measurements 176-72-576 TESTO 176 T1Data logger temperature, 1 Channels, SD Card / Mini USB, 2000000 Measurements
SEK 4.490,00 (Exc. Vat)
1 +4.490,00
 Testo 1-35 °C70 °CPT100-2000000 Measurements1x TL-5903SD Card ...IP68-----------------------------------------------------------
New to us
Temperature data logger, 2 Channels, SD Card / USB, 1000000 Measurements 304-46-632 TESTO 175 T3 RS CALTemperature data logger, 2 Channels, SD Card / USB, 1000000 Measurements
SEK 3.755,00 (Exc. Vat)
1 +3.755,00
 Testo 2-50 °C1000 °CK ...LCD1000000 Measurements3x AAASD Card ...IP65-----------------------------------------------------------
Differential Pressure Meter, 0 ... 2bar 303-72-702 TESTO 512-2Differential Pressure Meter, 0 ... 2bar
SEK 5.130,15 (Exc. Vat)
1 +5.130,15
 Testo ------3x AA---------------------------120 h-----------0 bar2 bar0.5 %1 hPa------------------
Vane Anemometer with Measuring Funnels and Flow Straightener, 0.3 ... 20m/s, 0 ... 50°C 303-72-701 TESTO 417 SET 2Vane Anemometer with Measuring Funnels and Flow Straightener, 0.3 ... 20m/s, 0 ... 50°C
SEK 6.354,92 (Exc. Vat)
1 +6.354,92
 Testo ------3x AA-IP400 °C50 °C-----------------------50 h--------0.1 °C------0.3 m/s20 m/s0.01 m/s0 ... 99999 m³/h--------------
Thermo-Hygrometer, 0 ... 100%, -20 ... 60°C 303-72-700 TESTO 625Thermo-Hygrometer, 0 ... 100%, -20 ... 60°C
SEK 2.738,39 (Exc. Vat)
1 +2.738,39
 Testo ---Built-In--3x AA-IP40-20 °C60 °C-----0.5 °C-----1-----------100 h--------0.1 °C----------0 %100 %0.1%-----------
Lux Meter, 0 ... 100000lx 303-72-699 TESTO 545Lux Meter, 0 ... 100000lx
SEK 4.552,43 (Exc. Vat)
1 +4.552,43
 Testo ------3x AA---------------------------70 h-------1.4 m--------------0 lx100000 lx1 lx3 %-10 °C50 °C-----
Differential Pressure Meter, 0 ... 200mbar 303-72-698 TESTO 512-1Differential Pressure Meter, 0 ... 200mbar
SEK 5.130,15 (Exc. Vat)
1 +5.130,15
 Testo ------3x AA---------------------------120 h-----------0 bar200 mbar±0.1 hPa0.1 hPa------------------
Vane Anemometer with Measuring Funnels, 0.3 ... 20m/s, 0 ... 50°C 303-72-697 TESTO 417 SET 1Vane Anemometer with Measuring Funnels, 0.3 ... 20m/s, 0 ... 50°C
SEK 5.280,36 (Exc. Vat)
1 +5.280,36
 Testo ------3x AA-IP400 °C50 °C-----------------------50 h--------0.1 °C------0.3 m/s20 m/s0.01 m/s0 ... 99999 m³/h--------------
Thermometer, 1 Inputs, -50 ... 1000°C 303-72-696 TESTO 925Thermometer, 1 Inputs, -50 ... 1000°C
SEK 1.340,31 (Exc. Vat)
1 +1.340,31
 Testo ------3x AA-IP40-50 °C1000 °C-----------1--0.5 °C---0.1 °C----150 h----------------------------Handheld----
Thermometer, 2 Inputs, -50 ... 1000°C 303-72-695 TESTO 922Thermometer, 2 Inputs, -50 ... 1000°C
SEK 1.756,27 (Exc. Vat)
1 +1.756,27
 Testo ------3x AA-IP40-50 °C1000 °C-----------2--0.5 °C---0.1 °C----120 h----------------------------Handheld----
CO2 Meter, 0 ... 10000ppm 303-72-694 TESTO 535CO2 Meter, 0 ... 10000ppm
SEK 5.580,78 (Exc. Vat)
1 +5.580,78
 Testo ------3x AA-IP40-------------------------30 h-----------------------------0 ppm10000 ppm1 ppm100 ppm