Ventilation instruments
These meters, wireless probes, airflow probes and other smart products help you measure different quantities to ensure a good environment in all types of buildings.
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testo 400 – climate instrument for ventilation and indoor climate
17 660 SKU 0560 0400 01Climate instrument for all ventilation and indoor climate professionals with a large touch screen.
- Shows the air flow rate in l/s or m3/h
- Integrated rear/front cameras (8 megapixel / 5 megapixel)
- Highly accurate and position-independent differential pressure sensor
- High quality digital sensors, both wireless and wired.
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testo 400 – measurement kit for ventilation
25 495 SKU 0140 0400Measurement set with the testo 400 climate instrument for ventilation professionals.
- Measurement of air velocity and air flow on diffusers and in ducts
- Display airflow in l/s or m3/h
- Hot wire sensor (Ø 7.5 mm) with telescope and fixed cable included
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testo 400 – indoor climate measurement kit
49 940 SKU 0563 0401 01testo 400 climate measurement kit for indoor climate professionals
- Determination of the comfort level parameters PMV/PPD
- Measurement of drag and turbulence levels
- Display airflow in l/s or m3/h
- Measurement of CO2 content, humidity, air temperature
- Measuring radiant heat with global sensors
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testo 440 dP – indoor climate measurement kit
39 950 SKU 0140 4404Indoor climate measurement kit, with sensors for operational temperature, CO2 and draught.
- Display airflow in l/s or m3/h
- Integrated differential pressure sensor
- Wide range of digital sensors
- Report function
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testo 416 – vane sensor 16 mm
6 585 SKU 0563 0416Compact and durable air flow meter with telescopic vane sensor.
- Simple, fast airflow measurement and volume flow calculation
- Flexible channel measurements with cable-connected telescopic sensor
- App connectivity: makes your measuring jobs easier and more efficient
- Calculation of time and point averages
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testo 417 – vane sensor 100 mm
4 745 SKU 0563 0417Ideal instrument for accurate measurements on air conditioning and ventilation systems.
- Fast measurement of air speed, air flow and temperature at supply and exhaust air vents.
- Efficient adjustment of ventilation systems with the testo Smart app.
- Settings, measurement data, graphs and your phone as a second screen in the app.
- Automatic calculation of time and point averages.
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testo 417 – measuring set with instrument and two probes
5 845 SKU 0563 1417Affordable measuring set consisting of the testo 417, a round and a square probe.
- Fast measurement of air flow, air velocity and temperature at supply and exhaust air vents.
- Efficient tuning of ventilation systems with the testo Smart app.
- Settings, measurement data, graphs and your phone as a second screen in the app.
- Automatic calculation of time and point averages.
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testo 425 – hot wire sensor 7.5 mm
6 090 SKU 0563 0425Air flow meter with telescopic sensor for accurate measurements in air conditioning and ventilation systems.
- Fast air flow and air velocity measurements in ventilation ducts.
- Flexible duct measurements with cable-connected telescopic sensors (maximum length: 820 mm).
- Settings, measurement data, graphs and the mobile as a second screen with the testo Smart app.
- Automatic calculation of time and point averages.
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testo 440 – measurement set with hot wire sensor
6 785 SKU 0563 4400Measurement kit for measuring air speed, air flow and air temperature in ducts.
- Hot wire sensor with temperature sensor
- Display airflow in l/s or m3/h
- Intelligent calibration concept
- Ready-made, clear measurement menus for quick measurements
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testo 440 – measuring set with 16 mm vane sensor
6 890 (Save 2 178:-) SKU 0563 4401Measurement kit for measuring air speed, air flow and air temperature in ducts
- Vane sensor with 16 mm diameter
- Display airflow in l/s or m3/h
- Telescope
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New!testo 160 E – data logger for 2 external sensors
2 785 SKU 0572 2022Remote monitoring via local WiFi network and cloud service.
- Connection possibility for 2 external sensors - temperature/humidity, lux or lux/UV
- Internal data memory for 32 000 measurements
- Exceeded limits are reported immediately via email or push notification.
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New!testo 160 TH – internal temperature and humidity sensors
2 195 SKU 0572 2021Remotely monitors and logs via local WiFi network and smart cloud service
- Internal sensors for temperature and humidity
- Measuring range: -10 ... +50 °C and 0 ... 100 %RH
- Internal data memory for 32 000 measurements
- Double security - measurement data is stored both in the logger and the cloud service
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testo 440 – measurement set with 100 mm vane sensor
8 825 SKU 0563 4403Measuring set with 100 mm diameter vane sensor for measuring air speed, air flow and air temperature on air devices.
- Display airflow in l/s or m3/h
- Bluetooth
- Intelligent calibration concept
- Ready-made, clear measurement menus for quick measurements
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testo 440 – CO2 measurement kit with Bluetooth
9 510 SKU 0563 4405Measurement set for CO2, humidity and temperature
- Clearly structured measurement menus
- Report function
- Intuitive and easy to use
- Wide range of digital sensors, both wireless and wired.
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testo 440 dP – thermal comfort measurement kit
31 450 SKU 0140 4403Thermal comfort measurement kit - measurement of operational temperature and draught/turbulence
- Display airflow in l/s or m3/h
- Integrated differential pressure sensor
- Clearly structured measurement menus
- Report function
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testo 440 dP – complete measurement kit for ventilation
23 950 SKU 0140 4402Complete measurement set for ventilation measurements with the multi-instrument testo 440 dP
- 100 mm diameter vane sensor (Bluetooth)
- 7.5 mm diameter hot wire sensor (fixed cable and telescope)
- Set of nozzles for measuring volume flow rates
- Pitot tube (Prandtl tube)
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testo 440 dP – measurement set for ventilation and indoor climate.
21 995 SKU 0140 4401Air velocity, air flow, CO2 and air temperature measurement kit
- Hot wire sensor 7.5 mm diameter included
- Display airflow in l/s or m3/h
- Integrated differential pressure sensor
- Wide range of digital sensors
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testo 440 dP – measuring set with hot wire sensor and pitot tube
14 990 SKU 0140 4400Measuring set with 7.5 mm hot wire sensor and pitot tube for measuring air speed, air flow and air temperature on air diffusers
- Display airflow in l/s or m3/h
- Intelligent calibration concept
- Ready-made, clear measurement menus for quick measurements
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testo 440 – air flow measurement kit
11 995 SKU 0563 4406Airflow measurement kit with bag, vane sensor and hot wire sensor
- Display airflow in l/s or m3/h
- Temperature sensor
- Intelligent calibration concept
- Ready-made, clear measurement menus for quick measurements
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testo 405i – wireless hot wire sensor
1 610 SKU 0560 1405Compact sensor for air speed, temperature and airflow
- 0... 30 m/s (hot wire)
- -20... +60 °C (NTC)
- Telescopic tube, can be extended to 400 mm
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testo 410i – wireless vane sensor
1 355 SKU 0560 1410For measuring air velocity, air flow and temperature at air diffusers
- 0,4 ... 30 m/s (vane)
- -20 ... +60 °C (NTC)
- Measurement of air speed, air flow and temperature
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testo 420 – Volume flow hood with airflow straightener
31 535 SKU 0563 4200Volume flow hood for larger air devices with low weight - only 2.9 kg
- Measurement values can be read in the testo Smart app on your mobile
- Integrated airflow straightener minimizes the impact of turbulence
- Flexible display - can also be removed from the socket and used for pitot tube measurement
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testo 405 – hot wire anemometer
1 785 SKU 0560 4053Measures air speed and temperature and calculates airflow
- For measurement in ventilation ducts and rooms
- Especially accurate in the range between 0 and 2 m/s
- Telescopic probe extendable to 300 mm
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testo 410-1 – pocket-sized vane anemometer
1 615 SKU 0560 4101Vane anemometer for air speed and temperature.
- Fixed integrated 30 mm vane wheel
- Calculation of time average
- Hold function and min/max values
- Calculation of wind chill in outdoor measurements
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testo 410-2 – wing wheel anemometer with moisture sensor
2 435 SKU 0560 4102Flywheel anemometer that measures air speed, air temperature and humidity.
- Calculation of time average
- Hold function and min/max values
- Calculation of wind chill for outdoor measurements
- Integrated sensor for measuring air humidity
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testo 440 dP – differential pressure and airflow measurement kit
18 985 SKU 0563 4409Measurement set with testo 440dP for measuring differential pressure, air velocity, air flow and air temperature on air diffusers and in ducts.
- Bluethooth handle for sensors
- Vane wheel sensor with 100 mm diameter
- Hot-wire sensor with temperature and humidity sensor
- Telescope and 90° angle
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testo 440 dP – multi-instrument with differential pressure
5 785 SKU 0560 4402Multi-instrument with integrated differential pressure sensor
- Display airflow in l/s or m3/h
- Clearly structured measurement menus
- Report function
- Wide range of digital sensors, both wireless and wired.
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Björnax smoke pen
290 SKU 4740 8000The Björnax smoke pen provides a stable, continuous column of smoke where you determine the amount of smoke.
- Non-turbulent = very little thermal impact
- Reveals the slightest leakage or air movement
- Contains no harmful or corrosive substances
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Splintax 25 – smoke producing matches
80 SKU 4740 4025Smoke-producing matches - box of 25 matches
- For airflow analysis
- For tightness checks
- For testing smoke detectors etc.
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FP-Smoke 201 – powder smoke
235 SKU 4740 8201Powder smoke for airflow analysis in sensitive environments
- Powder-based
- Contains no chlorides
- No substances hazardous to health or the environment
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FP-Smoke 202 – powder smoke bottle with spout
235 SKU 4740 8202Powder smoke bottle for airflow analysis in sensitive environments
- Powder-based
- Contains no chlorides
- No substances hazardous to health or the environment
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Blower Door – retrotec 300
71 990 SKU 3940 0301Blower Door retrotec 300 with red aluminum frame and digital pressure gauge
- Fan package - 300 series
- Accredited fan calibration according to ISO 17025
- Low fan weight
- Density testing course included!
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Blower Door – retrotec 5100
78 290 SKU 3940 1002Blower Door with textile panel, aluminum frame and 5000 series fan with digital pressure gauge.
- Accredited fan calibration according to ISO 17025
- Easy to assemble, easy to use
- Density testing course included!
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Measuring set with Blower Door and thermal imaging camera testo 860i
83 950 SKU 0140 0860A complete measurement kit for tightness testing of buildings using a thermal imaging camera in combination with Blower Door systems.
- Blower Door retrotec 5100 (included)
- Thermal imaging camera testo 860i (included)
- Basic course in thermography (included)
- Airtightness testing course (included)
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Measuring set with Blower Door and thermal imaging camera testo 868s
89 995 SKU 0140 0868 EA complete measurement kit for tightness testing of buildings using a thermal imaging camera in combination with Blower Door systems.
- Blower Door retrotec 5100 (included)
- Thermal imaging camera testo 868s (included)
- Basic course in thermography (included)
- Airtightness testing course (included)
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DucTester 350x – leak testing of ventilation ducts
73 990 SKU 3940 0350Tightness tester for ventilation ducts
- Color-coded channels
- Everything you need is included
- Fast assembly and disassembly
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Wireless measurement kit for ventilation and indoor climate.
5 995 SKU 0140 0003For servicing ventilation systems
- -150 ... +150 hPa
- 0 ... 100 %RH
- -30 ... +250 °C
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testo 440 – multi-instrument for ventilation and indoor climate
4 290 SKU 0560 4401Multi-instrument with universal handle that can be connected to many different sensors
- Wide range of digital sensors
- Display airflow in l/s or m3/h
- Clearly structured measurement menus
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Pressure gauge DM32X
30 990 SKU 3940 0322The Retrotec DM32X is an advanced digital pressure gauge for professional tightness testing of buildings and ventilation systems. The instrument is used in conjunction with Blower Door and DucTester for fast, accurate and efficient measurement.
- High-resolution 5.5" HD touchscreen for clear reading
- Accurate differential pressure measurement for leak testing
- Wireless connection via Bluetooth and Wi-Fi
- Real-time graphs and built-in test apps
- Robust construction for professional use
- Compatible with Retrotec Blower Door and DucTester
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Wireless measurement kit for ventilation technology
5 525 SKU 0563 0003 10Measurement of air and surface temperature, humidity, air velocity and air flow.
- Application-specific menus
- Free Bluetooth app
- Read out measurements on your phone
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CA 1510 – climate logger for air quality
5 695 SKU 6010 1511Indoor climate meters for assessing indoor air quality
- Measuring range 0...5000 ppm CO2
- Measuring range temperature -10...60 °C
- Measurement range moisture 5...95% RH
- Memory for 1 million readings
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CA 1510 – measurement kit with climate logger
5 990 SKU 6010 1510Starter kit with CA1510 climate logger, software, power adapter, cable and case.
- Measurement range CO2: 0...5000 ppm
- Measuring range temperature: -10...60 °C - ?
- Measurement range moisture: 5...95% RH
- Memory for 1 million measurements
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Tiny S – smoke machine
11 450 SKU 3940 0800Tiny S is a smoke machine with small dimensions, low weight and minimal liquid consumption.
- Heating time 1 second
- Continuous smoke generation
- Adjustable smoking time
- The evaporator can be easily replaced if necessary
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AirTracer smoke generator – simple and effective leak detection
3 495 SKU 3940 0100AirTracer is a handheld smoke generator that helps you quickly and accurately identify air leaks in buildings
- Heating time 1 second
- Continuous smoke generation
- The evaporator can be easily replaced if necessary
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Hot body sensor (Ø 3 mm) with fixed cable
6 890 SKU 0635 1051Hot body sensor with temperature sensor for testo 400 and testo 440. The sensor is not directional and has a sensor end of only 3 mm diameter.
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Hot wire sensor (Ø 7.5 mm) with fixed cable
6 095 SKU 0635 1026Practical hot wire sensor with temperature sensor for testo 400 and testo 440. The sensor end has a diameter of 7.5 mm which means it fits most pre-drilled measuring holes in the ventilation ducts. Integrated temperature measurement and absolute pressure compensation for accurate measurement results.
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Fume cupboard sensor with fixed cable
8 930 SKU 0635 1052Measures air speed and temperature, for testo 440 and testo 400.
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Vane sensor (Ø 16 mm) plug-in
7 725 SKU 0635 9570Impeller sensor with temperature sensor for testo 400 and testo 440. Adapter and handle must be supplemented with this article, see accessories.
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Vane sensor (Ø 16 mm) up to 1000 mm
10 355 SKU 0635 9572Vane sensor Ø 16 mm with temperature sensor and fixed cable for testo 440 / 400. Equipped with a telescope that can be extended from 570 mm to 1 000 mm.
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Vane sensor (Ø 16 mm) with Bluetooth
10 675 SKU 0635 9571Vane sensor Ø 16 mm with temperature sensor and Bluetooth for testo 400 and testo 440. Equipped with a telescope that can be extended from 570 mm to 1 000 mm.
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Vane sensor (ø 100 mm) with fixed cable
5 660 SKU 0635 9432Vane sensor with fixed cable and temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Vane sensor (ø 100 mm) with Bluetooth
6 110 SKU 0635 9431Vane sensor with Bluetooth and temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Vane sensor (ø 100 mm) plug-in
4 360 SKU 0635 9430Vane sensor (plug-in) with temperature sensor, 100 mm diameter, for testo 440 and testo 400. Adapter and handle must be completed with this item, see accessories.
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High accuracy vane sensor (ø 100 mm) with fixed cable
10 700 SKU 0635 9372Highly accurate fixed cable vane sensor with temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Highly accurate vane sensor (ø 100 mm) with Bluetooth
11 195 SKU 0635 9371Highly accurate vane sensor with Bluetooth and temperature sensor, 100 mm diameter, for testo 440 and testo 400.
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Highly accurate vane sensor (ø 100 mm) plug-in
9 655 SKU 0635 9370Highly accurate wing wheel sensor (plug-in) with temperature sensor, 100 mm diameter, for testo 440 and testo 400. Adapter and handle must be completed with this article, see accessories.
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Hot wire sensor (ø 10 mm) plug-in
7 245 SKU 0635 1570Hot wire sensor incl. temperature and humidity sensor. Length 230 mm. Adapter and handle must be completed with this item, see accessories.
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Hot wire sensor (ø 10 mm) with tiltable telescope
9 875 SKU 0635 1572Hot wire sensor with fixed cable, incl. temperature and humidity sensor. Equipped with a telescope that can be tilted and extended from 570 mm to 1,000 mm.
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Hot wire sensor (ø 10 mm) with Bluetooth
10 150 SKU 0635 1571Hot wire sensor with Bluetooth, incl. temperature and humidity sensor. Equipped with a telescope that can be tilted and extended from 570 mm to 1,000 mm.
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Vane sensors (Ø 16 mm) up to 850 mm
4 015 SKU 0635 9532Vane sensor with Ø 16 mm with fixed cable for testo 440 and testo 400. Equipped with a telescope that can be extended from 300 mm to 850 mm.
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Hot wire sensor (Ø 10 mm) with telescope
3 215 SKU 0635 1032Hot wire sensor with fixed cable for testo 440 and testo 400. Equipped with a telescope that can be extended from 300 mm to 850 mm. Integrated temperature measurement and absolute pressure compensation for accurate measurement results.
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Fixed cable pullers
11 980 SKU 0628 0152Draft sensor for turbulence degree and temperature, for testo 440 and testo 400.
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Pitot tube 750 mm
1 095 SKU 2340 7507Pitot tube (prandtl tube), 750 mm long, Ø 7 mm, nickel-plated brass, measures air speed together with pressure sensor. Tmax +300°C.
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Pitot tube 1500 mm
2 290 SKU 2340 1507Pitot tube (prandtl tube), 1500 mm long, Ø 7 mm, stainless, measures air speed together with pressure sensor. Tmax +600°C.
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Pitot tube 170 mm – stainless steel
795 SKU 2340 1702Pitot tube (prandtl tube), 170 mm long, Ø 2.5 mm, stainless steel, measures air speed together with pressure sensor. Tmax +600°C.
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Pitot tube 1000 mm
1 595 SKU 2340 1007Pitot tube (prandtl tube), 1 000 mm long, Ø 7 mm, nickel-plated brass, measures air speed together with pressure sensor. Tmax +300 °C.
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Pitot tube 500 mm
995 SKU 2340 5007Pitot tube (prandtl tube), 500 mm long, Ø 7 mm, nickel-plated brass, measures air speed together with pressure sensor. Tmax +300 °C.
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Pitot tube 350 mm
895 SKU 2340 3507Pitot tube (prandtl tube), 350 mm long, Ø 7 mm, nickel-plated brass, measures air speed together with pressure sensor. Tmax +300 °C.
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Pitot tube 300 mm – stainless steel
695 SKU 2340 3004Pitot tube, 300 mm long, Ø 4 mm, stainless steel, measures air speed together with pressure sensor. Tmax +600 °C.