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Use the hot wire probe with the compatible testo multifunction measuring instrument (please order separately) to determine air velocity, volume flow and air temperature. Hot wire probe - featuresUse the fixed cable to connect the hot wire probe to the measuring instrument.The probe is equipped with a telescope, which can be extended to a maximum length of 0.85 m. To ensure accurate measurement results, air density compensation is carried out via the integrated absolute pressure measurement.The clearly structured measurement menu for volume flow makes the measuring instrument intuitive to operate. The volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed in the measuring instrument.Integrated sensor protection: when you are not using the hot wire probe, the rotatable protective cap protects the air velocity sensor from dirt and mechanical stress. Intelligent calibration conceptYou will get exceptionally accurate measurement results with the digital probe, because the measuring instrument makes measurement uncertainty a thing of the past. You only need to send the probe in for calibration - so the measuring instrument remains in continuous use. Areas of application for the hot wire probeVentilation ducts: Use the hot wire probe to measure air velocity and air temperature in ventilation ducts with reliability. Benefit from fast calculation of the volume flow: in the "volume flow” measurement menu of the compatible measuring instrument (please order separately), configure the dimensions and geometry of the duct cross-section - the measuring instrument shows you the volume flow straight away.  Product Includes: Hot wire probe (Ø 9 mm) with fixed cable (length 1.7 m) including temperature sensor, with telescope (can be extended to 0.85 m) and calibration protocol.

Simply plug the probe head onto the extendable telescope for air velocity probes and use the adapter (order number 0554 2160) to attach them both to the handle with Bluetooth or cable. Product Includes: 16 mm vane probe head including temperature sensor and calibration protocol.

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.Products in settesto 440 dP - Air velocity and IAQ measuring instrument including differential pressure sensor Order-Nr. 0560 4402Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)Product detailsVane probe (Ø 100 mm, digital) - with Bluetooth® including temperature sensorOrder-Nr. 0635 9431Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow and air temperaturePrecise: get the right results in next to no time, even in turbulent air flow - using the optionally available funnel set and volume flow straightenerProduct details16 mm vane probe head including temperature sensorOrder-Nr. 0635 9570Intuitive: parallel determination of flow velocity, volume flow and temperaturePrecise: accurate measurement results from +0.6 to +50 m/sProduct detailsHumidity/temperature probe headOrder-Nr. 0636 9730Intuitive: parallel determination of relative humidity and air temperature in indoor areas, including long-term measurementPrecise: measuring accuracy ±2% RH / ±0.5 °C, measuring range: 0 to 100% RH / -20 to +70 °CProduct detailsExtendable telescope (up to 1 m in length) for flow probesOrder-Nr. 0554 0960The telescope is 1.0 m long when extendedEasy-to-read scaling for easy measurement in ductsProduct detailsCombi-case for testo 440 and multiple probesOrder-Nr. 0516 4401Case for the testo 440 or testo 440 dP air velocity and IAQ measuring instrumentDimensions: 516 x 135 x 256 mm (W x H x L)Product detailsProduct Includes: testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, connection hose, 3 x AA batteries, USB cable and calibration protocol (0560 4402)Vane probe (Ø 100 mm) with Bluetooth® including temperature sensor (consisting of 100 mm vane probe head, handle adapter and Bluetooth® handle); bracket for testovent measurement funnel; 4 x AA batteries and calibration protocol (0635 9431)16 mm vane probe head including temperature sensor and calibration protocol (0635 9570)Humidity/temperature probe head (Ø 12 mm) including calibration protocol (0636 9730)Extendable telescope (up to 1 m in length) for flow probes with a universal handle including 90° angle (0554 0960)Combi-case for testo 440 and multiple probes (0516 4401)Convenience and maximum flexibility for duct and outlet measurements Use our large range of air velocity probes (please order probes that are not included in the kit separately) to carry out simple, convenient measurements even at locations that are difficult to access in ventilation ducts or at air outlets:You can even carry out easy measurements in particularly large ducts. This is because the extendable telescope on the hot wire and vane probe (Ø 16 mm) with universal handle can be further extended using the telescope extension – enabling you to attain a total length of 2 metres.Carry out measurements at air/ceiling outlets effortlessly and without using a ladder. Fit your vane probe (Ø 100 mm) with the telescope with 90° angle and, if necessary, with the telescope extension (both can be ordered separately).Greater freedom thanks to Bluetooth: the air velocity probes with Bluetooth have no inconvenient cable connection to the measuring instrument, and they transmit readings up to a distance of 20 m. Press the button on the probe to operate the measuring instrument – for example, to start and stop a series of measurements (timed mean calculation).Attach the testo 440 dP air velocity and IAQ measuring instrument to metal surfaces (e.g. ducts) easily using the practical magnets.Benefit from fast calculation of the volume flow: in the "volume flow” measurement menu of the multifunction measuring instrument, configure the dimensions and geometry of the duct cross-section – the measuring instrument shows you the volume flow straight away. Long-term monitoring of indoor air quality Poor indoor air quality due to excessive concentrations of CO2 can cause tiredness, lack of concentration and even illness. With its menu for recording readings, the testo 440 air velocity and IAQ measuring instrument is ideal for monitoring the indoor air quality. Enter the measurement time and the measuring cycle – and, for example, track the change in CO2 concentration or humidity and temperature values over the course of the day. Simply choose between probes with Bluetooth or fixed cable for CO2, CO or humidity (please order probes that are not included in the kit separately). Turbulence measurement in accordance with EN ISO 7730 / ASHRAE 55 Determine the degree of turbulence and the draught risk in the workplace: draught restricts the comfort level and is the most common cause of complaints about the indoor climate. The turbulence probe (please order separately) measures air velocity and air temperature, and automatically calculates the draught risk and the degree of turbulence in accordance with EN ISO 7730/ASHRAE 55.For convenient measurements at varying heights, we recommend using our measuring tripod for comfort level measurement (please order separately). This makes it very easy to position turbulence probes in compliance with the standards. Range of probes for cleanrooms and laboratories The testo 440 air velocity & IAQ measuring instrument is also ideal for a wide variety of applications in cleanrooms and laboratories in conjunction with the following probes: High-precision flow measurement in fume cupboards with the fume cupboard probeThanks to the low start-up speed of 0.1 m/s, the high-precision vane probe (Ø 100 mm) is ideal for laminar flow measurements in cleanrooms. It is available as a variant with Bluetooth or with fixed cableTo measure the humidity in cleanrooms, we recommend the high-precision humidity/temperature probe (0636 9771 or 0636 9772). With an accuracy of ±(0.6 %RH + 0.7% of m.v.) (0 to 90 %RH), it also meets the requirements for humidity measurements in this particularly sensitive areaUse the high-precision digital Pt100 temperature probes, for example, for high-precision comparative measurements in calibration laboratories, temperature measurements in chemical laboratories or in the cosmetics industry as well as for determining the temperature distribution in refrigerators and conditioning cabinets

Use the vane probe with the compatible testo multifunction measuring instrument (please order separately) to determine air velocity and volume flow. Vane probe - featuresUse the fixed cable to connect the vane probe to the measuring instrument. The probe is equipped with a telescope, which can be extended to a maximum length of 0.85 m. The immersion depth is easy to read off thanks to the scaling on the telescope.The clearly structured measurement menu for volume flow makes the measuring instrument intuitive to operate. The volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed in the measuring instrument. Intelligent calibration conceptYou will get exceptionally accurate measurement results with the digital probe, because the measuring instrument makes measurement uncertainty a thing of the past. You only need to send the probe in for calibration - so the measuring instrument remains in continuous use. Areas of application for the vane probeVentilation ducts: Use the vane probe to measure air velocity in ventilation ducts with reliability. Benefit from fast calculation of the volume flow: in the "volume flow” measurement menu of the compatible measuring instrument (please order separately), configure the dimensions and geometry of the duct cross-section - the measuring instrument shows you the volume flow straight away.  Product Includes: Vane probe (Ø 16 mm) with fixed cable (cable length 1.7 m), including telescope (can be extended to 0.85 m) and calibration protocol.

If, in your capacity as an HVAC engineer, you carry out fast check measurements in ventilation ducts or in rooms, then our testo 405 thermal anemometer is a must-have. The anemometer features a permanently mounted telescope and enables you to measure air flow, volumetric flow and air temperature. The measuring range for flow is between 0 to 10 m/s, volumetric flows are calculated up to 99,990 m3/h.The extendible telescope (up to 300 mm) makes the thermal anemometer particularly suitable for flow measurements in ventilation ducts. The illuminated display can be swivelled into various positions, ensuring that the readings can be read off comfortably. The duct bracket (included in the delivery) offers key practical advantages. You can use this to optimally position the telescope in the ventilation duct and obtain precise measurement results.Since the testo 405 thermal anemometer measures particularly accurately in the range between 0 and 2 m/s, you can also use it to measure the air velocity in rooms. Low air velocities, at draughty windows for example, are quickly located and accurately measured using the anemometer.Integrated sensor protection: when you are not using the testo 405 thermal anemometer, the rotating protective cap protects the flow sensor from mechanical stress. Product Includes: testo 405 thermal anemometer with permanently mounted telescope, including duct bracket, attachment clip and batteries.Measurement of indoor air velocity For workers to feel comfortable in their indoor working environments, "thermal comfort" has to prevail. The EN 13779 describes this as a state that prevails when people are satisfied with the air temperature, humidity, air movement and thermal radiation in a room, and require neither hotter, colder, nor drier or more humid indoor air. The testo 405 is particularly well suited to measuring indoor flow velocity. Low air velocities, such as at draughty windows, can therefore be precisely located and measured extremely accurately. Measurement in ventilation ducts Observance of air flows in the ventilation duct is of utmost importance for the function of the ventilation and air conditioning system. If the air flows are smaller than intended, the removal of room loads (heating, cooling and substance loads) may not be ensured in certain circumstances. Therefore, the most accurate recording of air flows as possible is particularly important.Our thermal anemometer testo 405 allows particularly cost-effective measurement of low air velocities. It enables the accurate and parallel measurement of air flow, volumetric flow and temperature. The extendible telescope allows measurement at a depth of up to 300 mm.The display can be swivelled into various positions, enabling optimum measurement readout.

Simply plug the probe head onto the extendable telescope for air velocity probes and use the adapter (order number 0554 2160) to attach them both to the handle with Bluetooth or cable. Product Includes: Hot wire probe head including temperature and humidity sensor and calibration protocol.

It is tough and long life because of special steel use. It is versatile needle that can be used by various manufacturers.. It is a needle for pneumatic and electric telescope.Dokumentasi Produk:WARRANTY MonotaRO Private Brand

Kit for carrying out measurements in ventilation ducts and at air outlets: The testo 440 air velocity and IAQ measuring instrument, the vane probe (Ø 100 mm) with Bluetooth® including temperature sensor and the vane probe (Ø 16 mm) are all safely stowed away in the case. So you can get down to work straight away!Products in settesto 440 - Air velocity and IAQ measuring instrumentOrder-Nr. 0560 4401Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)Product detailsVane probe (Ø 100 mm, digital) - with Bluetooth® including temperature sensorOrder-Nr. 0635 9431Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow and air temperaturePrecise: get the right results in next to no time, even in turbulent air flow - using the optionally available funnel set and volume flow straightenerProduct detailsVane probe (Ø 16 mm, digital) - wiredOrder-Nr. 0635 9532Intuitive: parallel determination of air velocity, volume flow and humidityPrecise: accurate measurement results from +0.6 to +50 m/sProduct detailsCombi-case for testo 440 and multiple probesOrder-Nr. 0516 4401Case for the testo 440 or testo 440 dP air velocity and IAQ measuring instrumentDimensions: 516 x 135 x 256 mm (W x H x L)Product detailsProduct Includes: testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol (0560 4401) Vane probe (Ø 100 mm) with Bluetooth® including temperature sensor (consisting of 100 mm vane probe head, handle adapter and Bluetooth® handle); bracket for testovent measurement funnel, 4 x AA batteries and calibration protocol (0635 9431)Vane probe (Ø 16 mm) with fixed cable (cable length 1.7 m), including telescope (can be extended to 0.85 m) and calibration protocol (0635 9532)Combi-case for testo 440 and multiple probes (0516 4401)Convenience and maximum flexibility for duct and outlet measurements Use our large range of air velocity probes (please order probes that are not included in the kit separately) to carry out simple, convenient measurements even at locations that are difficult to access in ventilation ducts or at air outlets:You can even carry out easy measurements in particularly large ducts. This is because the extendable telescope on the hot wire and vane probe (Ø 16 mm) with universal handle can be further extended using the telescope extension – enabling you to attain a total length of 2 metres.Carry out measurements at air/ceiling outlets effortlessly and without using a ladder. Fit your vane probe (Ø 100 mm) with the telescope with 90° angle and, if necessary, with the telescope extension (both can be ordered separately).Greater freedom thanks to Bluetooth: the air velocity probes with Bluetooth have no inconvenient cable connection to the measuring instrument, and they transmit readings up to a distance of 20 m. Press the button on the probe to operate the measuring instrument – for example, to start and stop a series of measurements (timed mean calculation).Attach the testo 440 dP air velocity and IAQ measuring instrument to metal surfaces (e.g. ducts) easily using the practical magnets.Benefit from fast calculation of the volume flow: in the "volume flow” measurement menu of the multifunction measuring instrument, configure the dimensions and geometry of the duct cross-section – the measuring instrument shows you the volume flow straight away. Long-term monitoring of indoor air quality Poor indoor air quality due to excessive concentrations of CO2 can cause tiredness, lack of concentration and even illness. With its menu for recording readings, the testo 440 air velocity and IAQ measuring instrument is ideal for monitoring the indoor air quality. Enter the measurement time and the measuring cycle – and, for example, track the change in CO2 concentration or humidity and temperature values over the course of the day. Simply choose between probes with Bluetooth or fixed cable for CO2, CO or humidity (please order probes separately). Turbulence measurement in accordance with EN ISO 7730 / ASHRAE 55 Determine the degree of turbulence and the draught risk in the workplace: draught restricts the comfort level and is the most common cause of complaints about the indoor climate. The turbulence probe (please order separately) measures air velocity and air temperature, and automatically calculates the draught risk and the degree of turbulence in accordance with EN ISO 7730/ASHRAE 55.For convenient measurements at varying heights, we recommend using our measuring tripod for comfort level measurement (please order separately). This makes it very easy to position turbulence probes in compliance with the standards. Range of probes for cleanrooms and laboratories The testo 440 air velocity & IAQ measuring instrument is also ideal for a wide variety of applications in cleanrooms and laboratories in conjunction with the following probes: High-precision flow measurement in fume cupboards with the fume cupboard probeThanks to the low start-up speed of 0.1 m/s, the high-precision vane probe (Ø 100 mm) is ideal for laminar flow measurements in cleanrooms. It is available as a variant with Bluetooth or with fixed cableTo measure the humidity in cleanrooms, we recommend the high-precision humidity/temperature probe (0636 9771 or 0636 9772). With an accuracy of ±(0.6 %RH + 0.7% of m.v.) (0 to 90 %RH), it also meets the requirements for humidity measurements in this particularly sensitive areaUse the high-precision digital Pt100 temperature probes, for example, for high-precision comparative measurements in calibration laboratories, temperature measurements in chemical laboratories or in the cosmetics industry as well as for determining the temperature distribution in refrigerators and conditioning cabinets

Use the vane probe with the compatible testo multifunction measuring instrument (please order separately) to determine air velocity, volume flow and air temperature. The vane probe has a measuring range of +0.6 to +50 m/s and features maximum accuracy from 5 m/s. Vane probe including temperature sensor - featuresUse the fixed cable on the handle to connect the vane probe to the measuring instrument (please order separately).The vane probe is equipped with a telescope, which can be extended to a maximum length of 1.0 m. The immersion depth is easy to read, even if visibility is poor, thanks to the high-contrast scaling.The clearly structured measurement menu for volume flow enables the measuring instrument to be operated intuitively. The volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed in the measuring instrument.Particularly useful: press the button on the vane probe to operate the measuring instrument. For example, to store individual readings for multi-point mean calculation or to start and stop measurement series for mean calculation over time. Space-saving: more applications, less equipmentEndlessly versatile: a universal handle can be connected to all probe heads - so you can master more applications using less equipment and save space.Order the Bluetooth® handle to make it more convenient to carry out your measurement and guarantee less cable clutter in the case. This transmits the readings to the measuring instrument from a distance of up to 20 metres. If the vane needs to be replaced in the distant future, you can change the probe head.If required, you can also fit the vane probe with the telescope extension (available to order separately). You can therefore attain a total length of 2 metres, making it easy to carry out measurements on large ventilation systems. Intelligent calibration conceptYou will get exceptionally accurate measurement results with the digital vane probe, because the measuring instrument makes measurement uncertainty a thing of the past. You only need to send the probe in for calibration - so the measuring instrument remains in continuous use. Areas of application for the vane probeVentilation ducts: Use the vane probe to carry out convenient measurements of air velocity and air temperature, even at locations that are difficult to access in ventilation ducts.If required, the vane probe with extendable telescope and easy-to-read scaling can easily be extended to a total length of up to 2 m using the telescope extension (please order separately). This also makes it possible to carry out measurements on large ventilation systems.  Product Includes: Vane probe (Ø 16 mm) including temperature sensor (consisting of 16 mm vane probe head, 1 m long extendable telescope, handle adapter and cable handle (cable length 1.4 m)), 4 x AA batteries and calibration protocol.

Use the vane probe with the compatible testo multifunction measuring instrument (please order separately) to measure air velocity, volume flow and temperatures up to +70 °C. High-precision vane probe including temperature sensor - featuresUse the fixed cable on the handle to connect the vane probe to the measuring instrument (please order separately).The clearly structured measurement menu for volume flow enables the measuring instrument to be operated intuitively. The volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed in the measuring instrument.Particularly useful: press the button on the vane probe to operate the measuring instrument. For example, to store individual readings for multi-point mean calculation or to start and stop measurement series for mean calculation over time. Space-saving: more applications, less equipmentEndlessly versatile: a universal handle can be connected to all probe heads - so you can master more applications using less equipment and save space.Order the Bluetooth® handle to make it more convenient to carry out your measurement and guarantee less cable clutter in the case. This transmits the readings to the measuring instrument from a distance of up to 20 metres. If the vane needs to be replaced in the distant future, you can change the probe head.If required, you can also fit the vane probe with the extendable telescope with 90° angle and, if necessary, the telescope extension (both can be ordered separately; in combination 2 m long). This makes it easy to measure at ceiling outlets. Intelligent calibration conceptYou will get exceptionally accurate measurement results with the digital vane probe, because the measuring instrument makes measurement uncertainty a thing of the past. You only need to send the probe head in for calibration - so the measuring instrument remains in continuous use. Areas of application for the high-precision vane probeAir/ceiling outlets: Use the vane probe to determine air velocity and volume flow at air outlets. Thanks to the low start-up speed of 0.1 m/s, the vane probe is ideal for laminar flow measurements in cleanrooms.During loop-pattern scanning of the grille’s cross section, the air velocity values are integrated and averaged across a large area of 100 mm. As a result, precise measurement results are achieved with the loop measurement.For measurements at ceiling outlets: the extendable telescope (1.0 m long) with easy-to-read scaling and 90° angle is easy to attach to the vane probe. The 90° angle ensures that the probe is positioned correctly under the ceiling. For high ceilings, you can also use the telescope extension, attaining a total length of 2 metres (please order the extendable telescope and telescope extension separately).Plate outlets, ventilation grilles and swirl outlets: For convenient, accurate measurements at plate outlets and ventilation grilles, we recommend using the vane probe with the testovent 417 funnel set (please order separately). This guarantees simple testing of incoming/outgoing air - such as in the controlled ventilation of living spaces.If you add in the volume flow straightener (please order separately), an impressively high level of precision can be achieved when carrying out measurements at swirl outlets.  Product Includes: High-precision vane probe (Ø 100 mm) including temperature sensor (consisting of high-precision 100 mm vane probe head, handle adapter and cable handle (cable length 1.4 m)), bracket for testovent measurement funnel, 4 x AA batteries and calibration protocol.

Combine the probe head with the handle adapter for air velocity probes and simply plug onto the handle with cable or Bluetooth. For convenient measurements at ceiling outlets, we recommend the extendable telescope for air velocity probes including 90° angle.Note: Please note that you need the handle adapter (order number 0554 2160) to use this probe head in conjunction with the handles.  Product Includes: High-precision 100 mm vane probe head including temperature sensor, bracket for testovent measurement funnel and calibration protocol.

Combine the probe head with the adapter for air velocity probes and simply plug it onto the handle with cable or Bluetooth. For convenient measurements at ceiling outlets, we recommend the extendable telescope for air velocity probes including 90° angle.  Note: Please note that you need the handle adapter (order number 0554 2160) to use this probe head in conjunction with the handles.  Product Includes: 100 mm vane probe head, bracket for testovent measurement funnel and calibration protocol.

Use the vane probe with the compatible testo multifunction measuring instrument (please order separately) to determine air velocity, volume flow and air temperature. The vane probe has a measuring range of +0.6 to +50 m/s and features maximum accuracy from 5 m/s. Vane probe with Bluetooth including temperature sensor - featuresThe readings of the vane probe are transmitted to your measuring instrument via Bluetooth, up to a distance of 20 m.The vane probe is equipped with a telescope, which can be extended to a maximum length of 1.0 m. The immersion depth is easy to read, even if visibility is poor, thanks to the high-contrast scaling.The clearly structured measurement menu for volume flow enables the measuring instrument to be operated intuitively. The volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed in the measuring instrument.Particularly useful: press the button on the vane probe to operate the measuring instrument. For example, to store individual readings for multi-point mean calculation or to start and stop measurement series for mean calculation over time. Wireless and space-saving: more applications, less equipmentEndlessly versatile: a universal handle can be connected to all probe heads - so you can master more applications using less equipment and save space. The Bluetooth handle makes it more convenient to carry out your measurement and guarantees less cable clutter in the case.Or order the cable handle to connect testo probe heads. This is an advantage if Bluetooth signals are not permitted. If the vane needs to be replaced in the distant future, you can change the probe head.If required, you can also fit the vane probe with the telescope extension (available to order separately). You can therefore attain a total length of 2 metres, making it easy to carry out measurements on large ventilation systems. Intelligent calibration conceptYou will get exceptionally accurate measurement results with the digital vane probe, because the measuring instrument makes measurement uncertainty a thing of the past. You only need to send the probe in for calibration - so the measuring instrument remains in continuous use. Areas of application for the vane probeVentilation ducts: Use the vane probe to carry out convenient measurements of air velocity and air temperature, even at locations that are difficult to access in ventilation ducts.If required, the vane probe with extendable telescope and easy-to-read scaling can easily be extended to a total length of up to 2 m using the telescope extension (please order separately). This also makes it possible to carry out measurements on large ventilation systems.  Product Includes: Vane probe (Ø 16 mm) with Bluetooth including temperature sensor (consisting of 16 mm vane probe head, 1 m long extendable telescope, handle adapter and Bluetooth handle), 4 x AA batteries and calibration protocol.

Use the hot wire probe with the compatible testo multifunction measuring instrument (please order separately) to determine air velocity, volume flow, air temperature and humidity. Hot wire probe including temperature and humidity sensor - featuresUse the fixed cable on the handle to connect the hot wire probe to the measuring instrument (please order separately). The hot wire probe is equipped with a telescope, which can be extended to a maximum length of 1.0 m. The immersion depth is easy to read, even if visibility is poor, thanks to the high-contrast scaling.The clearly structured measurement menu for volume flow enables the measuring instrument to be operated intuitively. The volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed in the measuring instrument.Particularly useful: press the button on the hot wire probe to operate the measuring instrument. For example, to store individual readings for multi-point mean calculation or to start and stop measurement series for mean calculation over time.Integrated sensor protection: when you are not using the hot wire probe, the rotatable protective cap protects the air velocity sensor from mechanical stress. Space-saving: more applications, less equipmentEndlessly versatile: a universal handle can be connected to all probe heads - so you can master more applications using less equipment and save space.Order the Bluetooth® handle to make it more convenient to carry out your measurement and guarantee less cable clutter in the case. This transmits the readings to the measuring instrument from a distance of up to 20 metres. If the sensors (air velocity, temperature, humidity) need to be replaced in the distant future, you can change the probe head.If required, you can also fit the hot wire probe with the telescope extension (available to order separately). You can therefore attain a total length of 2 metres, making it easy to carry out measurements on large ventilation systems. Intelligent calibration conceptYou will get exceptionally accurate measurement results with the digital probe, because the measuring instrument makes measurement uncertainty a thing of the past. You only need to send the probe head in for calibration - so the measuring instrument remains in continuous use. Areas of application for the hot wire probeVentilation ducts: Use the hot wire probe to measure flow velocity, air temperature and humidity in ventilation ducts with reliability.Since the measuring range goes up to +50 m/s and the total length of the probe can be extended to 2.0 m (please order the telescope extension separately), measurements can even be carried out on large ventilation systems.  Product Includes: Hot wire probe including temperature and humidity sensor (consisting of hot wire probe head, handle adapter and cable handle (cable length 1.4 m)), 4 x AA batteries, telescope (extendable to 1.0 m) and calibration protocol.

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Use the hot ball probe (thermal anemometer) to determine flow velocity and volume flow. It is particularly suitable for low flow velocities of up to +10 m/s - primarily for non-directional, undefined air flows. The probe can also measure temperatures of up to +70 °C at the same time.The hot ball probe is equipped with a telescope, which can be extended to a maximum length of 860 mm. With a diameter of just 3 mm, the probe is ideal for measurements in narrow, inaccessible places.  Intelligent calibration conceptThe probe offers maximum digital measurement reliability. The digital probe allows readings to be processed directly in the probe. This technology eliminates instrument measurement uncertainty. The probe can be returned on its own (without the measuring instrument) for calibration. Calculating the determined calibration data in the probe generates a zero-error display. Product Includes: Hot ball probe (Ø 3 mm) with telescope (can be extended to 860 mm) including fixed plug-in head cable.