Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"

Model: 440 | Order No: 0563 4406 | UPC: 029547019418

Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"

Model: 440 | Order No: 0563 4406 | UPC: 029547019418

Precise and reliable, this multifunction measuring instrument is intuitive and easy to use thanks to its clearly structured menus. In addition, this kit includes the air velocity and IAQ meter, a hot wire probe, a ø 3.9" vane probe, a USB cable, 3 x AA batteries, and a multi-probe carrying case.

Precise and reliable, this multifunction measuring instrument is intuitive and easy to use thanks to its clearly structured menus. In addition, this kit includes the air velocity and IAQ meter, a hot wire probe, a ø 3.9" vane probe, a USB cable, 3 x AA batteries, and a multi-probe carrying case.

Sale Price $1560.60 USD
Regular Price $1836.00 USD
Availability 3 Days
Quantity

Traceable In-House Calibration Certificate for your 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe

Traceable In-House Calibration Certificate for your 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe

Testo 440 Offers

The Testo 440 Air Velocity and IAQ Meter combines all the benefits of a compact handheld device with intuitive measurement menus and a comprehensive selection of air velocity & IAQ probes. This means you have all measuring tasks on air conditioning and ventilation systems reliably under control. You can connect the Testo 440 to a large selection of digital probes, Testo Smart Probes, or even numerous Testo temperature probes, allowing for numerous configurations to meet your needs. The clearly structured menus for measuring volume flow in ducts and at outlets, cooling/heating load, K-factor, turbulence, mold indication and even a data logging mode are stored on the instrument for additional convenience. These menus enable you to accomplish your measuring tasks more quickly, more efficiently and more reliably than ever before. Reports can also be exported as excel files via the USB interface or printed out directly on site.

Features

  • Use the vane probe to measure air velocity, volume flow, and air temperature at air/ceiling outlets
  • Measuring range: 59.1 to 6,890 fpm and -4 to +158 °F
  • Versatile – the universal handle can be connected to all probe heads, so you can take care of more applications, and use less equipment
  • The Bluetooth handle makes it more convenient to carry out your measurements and guarantees less cable clutter in your case
  • Conveniently placed handle button stores individual readings for multi-point mean calculations, or to start and stop measurement series for mean calculations over time
  • Carry out measurements at air/ceiling outlets effortlessly, without using a ladder – fit the vane probe with the extendable telescope and 90° angle (both sold separately)
  • Use the vane probes in conjunction with the Testovent measurement funnels and flow straighteners to test incoming / outgoing air at plate outlets, ventilation grills, and swirl outlets
  • Intelligent calibration concept

Testo 440 Specifications

Measuring range (NTC) -40 to 302.0 °F
Accuracy +/- 1 ° F (-40 to -13.2° F)
+/- 1 ° F (-40 to -13.2° F)
+/- 0.7 ° F (167 to 211.8° F)
+/- 0.5% of m.v. (remaining meas. range)
Resolution 0.1° F
Measuring Range (TC) -328 to 2498°F
Accuracy (0.2°F + 0.3% of m.v.)
Resolution 0.1°F
TC Type K‎ 1x
NTC TUC/ Digital Probe w/ Cable‎ 1x
Bluetooth Probe 1x Digital Bluetooth Probe or Testo Smart Probe
Operating Temperature -4°F to 122°F
Weight 8.8 oz
Dimensions 6.1 x 2.6 x 1.3 in.
Click here for complete specifications on the Testo 440

What's included with the Testo 440

  • Air velocity and IAQ measuring instrument
  • USB cable
  • Certificate of conformity
  • 3 AA batteries
  • Vane probe (Ø 3.9") with Bluetooth
  • Temperature sensor (consisting of 3.9" vane probe head, handle adapter, and Bluetooth handle)
  • Bracket for testovent measurement funnel
  • Hot wire probe (Ø 0.35") with fixed cable (length 5.6')
  • Temperature sensor with telescope (extendable to 2.8')
  • Multi-case {Testo 440 and multiple probes (0516 4401)}
  • 4 AA batteries

Intuitive air velocity and IAQ: the testo 440 | Be sure. Testo

Click on a category to view a selection of compatible accessories with the Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9".

Testo 0554 2222 Universal cable handle for connecting testo 440 probe heads 0554 2222
You can easily expand your portfolio of probes by connecting this universal wired handle to different probe heads. The extendable telescope for air velocity probes can also easily be connected to the handle and the readings are then transmitted to your testo 440 measuring instrument sold separately via the fixed cable cable length 1.4 m.




Testo 0554 1111 Universal Bluetooth Handle for the 440 0554 1111
The extendable telescope for air velocity probes can also easily be connected to this handle and the readings are then transmitted to your 440 measuring instrument via Bluetooth, up to 65'.




Testo 0554 2160 Handle Adapter for Flow Probes 0554 2160
The handle adapter allows you to connect probe heads for air velocity measurement or the extendable telescope for air velocity probes to the universal handle with Bluetooth® or cable.




Testo 0635 9432 Vane probe ø 100 mm 0635 9432
Use this 4 inch wired vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Includes temperature sensor, fixed cable.




Testo 0636 9771 High-precision temperature-humidity probe with Bluetooth 0636 9771
Use the High-precision humidity/temperature probe with the compatible testo 440 multifunction measuring instrument. Bluetooth works up to 65 feet. The humidity sensor has an of accuracy of 0.6% RH + 0.7% of m.v. in the range between 0 and 90% RH and is traceable to international humidity standards, such as ILAC, PTB and NIST.




Testo 0636 9772 High-precision temperature-humidity probe, fixed cable 0636 9772
Use the High-precision humidity/temperature probe with the compatible testo 440 multifunction measuring instrument. This humidity/temperature probe is equipped with a humidity sensor with an accuracy of 0.6% RH + 0.7% of m.v. in the range between 0 and 90% RH and is traceable to international humidity standards, such as ILAC, PTB and NIST.




Testo 0636 9731 Temperature-humidity probe with Bluetooth 0636 9731
Use the humidity/temperature probe with the compatible testo multifunction measuring instrument. Measurement Values are transmitted via Bluetooth, up to 65 feet. Thanks to a large measuring range of 0 to 100% RH and -4 to +158 °F, you can measure relative humidity and air temperature reliably.




Testo 0636 9732 Temperature-humidity probe, fixed cable 0636 9732
Use the humidity/temperature probe with the compatible testo multifunction measuring instrument. Dew point, wet bulb temperature, absolute humidity as well as the heating and cooling output are calculated at the same time. measuring range of 0 to 100% RH and -4 to +158 °F.




Testo 0636 9775 Robust temperature-humidity probe for temperatures up to +356 °F, fixed cable 0636 9775
Use the robust humidity/temperature probe with the compatible testo 440 multifunction measuring instrument. The robust humidity/temperature probe was specifically designed for use in sophisticated production and treatment processes.




Testo 0635 0551 Lux probe, 4.6 Ft. cable length 0635 0551
Use the lux probe with the compatible testo 440 multifunction measuring instrument. It assesses the illuminance according to the V-lambda curve, which corresponds to the sensitivity of the human eye in daylight. White or warm light LEDs K< 5,000 can also be measured without any problem.




Testo 0632 1551 CO2 Probe with Bluetooth, includes temperature and humidity sensor 0632 1551
Use the CO2 probe with the compatible testo 440 multifunction measuring instrument. The readings of the CO2 probe are transmitted to your measuring instrument via Bluetooth, up to 65 Ft.




Testo 0632 1552 CO2 probe incl. temperature and humidity sensor, fixed cable 0632 1552
Use the CO2 probe with the compatible testo 440 multifunction measuring instrument. This probe can be used to check the indoor climate areas such as offices, production areas or storage facilities.




Testo 0632 1271 CO Probe with Bluetooth 0632 1271
Use the CO probe with the compatible testo 440 multifunction measuring instrument. The readings of the CO probe are transmitted to your measuring instrument via Bluetooth, up to 65 ft.




Testo 0632 1272 CO probe, fixed cable 0632 1272
Use the CO probe with the compatible testo 440 multifunction measuring instrument. The readings of the CO probe are transmitted to your measuring instrument with a connection cable.




Testo 0628 0152 Turbulence probe, fixed cable 0628 0152
Use the turbulence probe with the compatible testo 440 multifunction measuring instrument. Calculate the degree of turbulence and draft risk at the same time, in accordance with EN ISO 7730 / ASHRAE 55. The fixed cable is used to connect the turbulence probe to the 440 Air velocity and IAQ meter.




Testo 0635 1052 Fume cupboard probe, fixed cable 0635 1052
Use the fume cupboard probe hot wire probe with the compatible testo 440 multifunction measuring instrument. It is particularly suitable for low air velocities up to +984 fpm. The fume cupboard probe measures the inflow rate and exhaust air volume flow in laboratory fume cupboards in accordance with DIN EN 14175-3/-4.




Testo 0615 1212 Waterproof immersion/penetration probe with NTC temperature sensor 0615 1212
For precise temperature measurements, use the waterproof immersion/penetration probe with the compatible testo 440 measuring instrument.




Testo 0615 1712 Robust air probe with NTC temperature sensor 0615 1712
For precise temperature measurements: use the robust air probe with exposed sensor NTC with the compatible testo 440 measuring instrument. The air probe is equipped with a high-quality NTC sensor with accuracy of up to 0.4 °F.




Testo 0635 9431 20 Vane probe ø 100 mm with Bluetooth 0635 9431 20
Use this 4 inch vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Measurements are transmitted to your 440 meter via Bluetooth, up to 65 ft. Includes temperature sensor




Testo 0635 9372 High-precision vane probe ø 100 mm 0635 9372
Use this 4 inch wired high precision vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Includes temperature sensor, fixed cable.




Testo 0635 1032 Hot wire probe with Bluetooth 0635 1032
Use the fixed cable to connect the hot wire probe to the measuring instrument. The probe is equipped with a telescopic extension which extends to a maximum length of 0.85 m. Includes temperature and humidity sensor.




Testo 0635 1571 Hot wire probe with Bluetooth 0635 1571
The readings of the hot wire probe are transmitted to your measuring instrument via Bluetooth, up to 65 ft. The hot wire probe is equipped with a telescopic extension, which can be extended to 3 ft. Includes temperature and humidity sensor.




Testo 0635 1572 Hot wire probe incl. temperature and humidity sensor 0635 1572
Use the fixed cable on the handle to connect the hot wire probe to the measuring instrument. The hot wire probe is equipped with a telescopic extension, which can be extended to 3 ft. The immersion depth is easy to read, even if visibility is poor, thanks to the high-contrast scaling marks.




Testo 0635 9532 Vane probe ø 16 mm fixed cable 0635 9532
The small diameter wired vane probe is to be used with the compatible testo 440 multifunction measuring instrument to determine air velocity and volume flow.




Testo 0635 9571 Vane probe ø 16 mm with Bluetooth 0635 9571
The small diameter Bluetooth vane probe is to be used with the compatible testo 440 multifunction measuring instrument to determine air velocity and volume flow. Measurements are transmitted to your measuring instrument via Bluetooth, up to 65 ft. Includes Temperature sensors




Testo 0635 9572 Vane probe ø 16 mm incl. temperature sensor 0635 9572
The small diameter wired vane probe with fixed cable is to be used with the compatible testo 440 multifunction measuring instrument to determine air velocity and volume flow.




Testo 0635 9371 High-precision vane probe ø 100 mm with Bluetooth 0635 9371
Use this 4 inch high precision vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Measurements are transmitted to your 440 meter via Bluetooth, up to 65 ft.. Includes temperature sensor.




Testo 0615 5505 Clamp Probe with NTC Temperature Sensor, ø .24 to 1.4" 0615 5505
For fast, precise temperature measurements, use the NTC clamp probe with the compatible testo 440 measuring instrument. Measures the surface temperature of pipes, pipe diameters from .25 to 1.4".




Testo 0554 0960 Extendable telescopic handle up to 3 Feet in length 0554 0960
For air velocity probes with universal handle. The extendable telescope with easy-to-read scaling makes it easier to carry out measurements in ventilation ducts. Thanks to the supplied 90° angle, you can even carry out convenient measurements at ceiling outlets.




Testo 0554 0990 Telescope extension length 1.3 to 3 ft 0554 0990
Use the two telescope extensions to easily extend the telescope and attain a total probe length of up to 6 ft.. These extensions are to be used for air velocity probes with a universal 440 handle.




Testo 0554 0991 A 90° angle adapter to use with velocity probes 0554 0991
Thanks to the 90° angle, you can even carry out convenient measurements at ceiling outlets. Use the angle adapter to attach the telescope to an air velocity probe connected to a universal Bluetooth or wired cable handle. For ceiling outlets.




Testo 0516 4401 Combi-Case for the 440 0516 4401
Safely store and transport your equipment with this sturdy case. It provides storage space for your 440 or 440 dP air velocity and IAQ measuring instrument, with room for additional probes.




Testo 0516 4401 Transport case for Testo 440 kits 0516 4900
Provides storage space for your testo 440 or testo 440 dP air velocity and IAQ measuring instrument, with room for other probes and practical accessories for measuring volume flow. Dimensions: 20.5 x 5.1 x 15.7 inches W x H x L




Ask a question about Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"

Customer Reviews for the Testo 440

Testo 440 Offers

The Testo 440 Air Velocity and IAQ Meter combines all the benefits of a compact handheld device with intuitive measurement menus and a comprehensive selection of air velocity & IAQ probes. This means you have all measuring tasks on air conditioning and ventilation systems reliably under control. You can connect the Testo 440 to a large selection of digital probes, Testo Smart Probes, or even numerous Testo temperature probes, allowing for numerous configurations to meet your needs. The clearly structured menus for measuring volume flow in ducts and at outlets, cooling/heating load, K-factor, turbulence, mold indication and even a data logging mode are stored on the instrument for additional convenience. These menus enable you to accomplish your measuring tasks more quickly, more efficiently and more reliably than ever before. Reports can also be exported as excel files via the USB interface or printed out directly on site.

Features

  • Use the vane probe to measure air velocity, volume flow, and air temperature at air/ceiling outlets
  • Measuring range: 59.1 to 6,890 fpm and -4 to +158 °F
  • Versatile – the universal handle can be connected to all probe heads, so you can take care of more applications, and use less equipment
  • The Bluetooth handle makes it more convenient to carry out your measurements and guarantees less cable clutter in your case
  • Conveniently placed handle button stores individual readings for multi-point mean calculations, or to start and stop measurement series for mean calculations over time
  • Carry out measurements at air/ceiling outlets effortlessly, without using a ladder – fit the vane probe with the extendable telescope and 90° angle (both sold separately)
  • Use the vane probes in conjunction with the Testovent measurement funnels and flow straighteners to test incoming / outgoing air at plate outlets, ventilation grills, and swirl outlets
  • Intelligent calibration concept

Testo 440 Specifications

Measuring range (NTC) -40 to 302.0 °F
Accuracy +/- 1 ° F (-40 to -13.2° F)
+/- 1 ° F (-40 to -13.2° F)
+/- 0.7 ° F (167 to 211.8° F)
+/- 0.5% of m.v. (remaining meas. range)
Resolution 0.1° F
Measuring Range (TC) -328 to 2498°F
Accuracy (0.2°F + 0.3% of m.v.)
Resolution 0.1°F
TC Type K‎ 1x
NTC TUC/ Digital Probe w/ Cable‎ 1x
Bluetooth Probe 1x Digital Bluetooth Probe or Testo Smart Probe
Operating Temperature -4°F to 122°F
Weight 8.8 oz
Dimensions 6.1 x 2.6 x 1.3 in.
Click here for complete specifications on the Testo 440

What's included with the Testo 440

  • Air velocity and IAQ measuring instrument
  • USB cable
  • Certificate of conformity
  • 3 AA batteries
  • Vane probe (Ø 3.9") with Bluetooth
  • Temperature sensor (consisting of 3.9" vane probe head, handle adapter, and Bluetooth handle)
  • Bracket for testovent measurement funnel
  • Hot wire probe (Ø 0.35") with fixed cable (length 5.6')
  • Temperature sensor with telescope (extendable to 2.8')
  • Multi-case {Testo 440 and multiple probes (0516 4401)}
  • 4 AA batteries

Intuitive air velocity and IAQ: the testo 440 | Be sure. Testo

Click on a category to view a selection of compatible accessories with the Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9".

Testo 0554 2222 Universal cable handle for connecting testo 440 probe heads 0554 2222
You can easily expand your portfolio of probes by connecting this universal wired handle to different probe heads. The extendable telescope for air velocity probes can also easily be connected to the handle and the readings are then transmitted to your testo 440 measuring instrument sold separately via the fixed cable cable length 1.4 m.




Testo 0554 1111 Universal Bluetooth Handle for the 440 0554 1111
The extendable telescope for air velocity probes can also easily be connected to this handle and the readings are then transmitted to your 440 measuring instrument via Bluetooth, up to 65'.




Testo 0554 2160 Handle Adapter for Flow Probes 0554 2160
The handle adapter allows you to connect probe heads for air velocity measurement or the extendable telescope for air velocity probes to the universal handle with Bluetooth® or cable.




Testo 0635 9432 Vane probe ø 100 mm 0635 9432
Use this 4 inch wired vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Includes temperature sensor, fixed cable.




Testo 0636 9771 High-precision temperature-humidity probe with Bluetooth 0636 9771
Use the High-precision humidity/temperature probe with the compatible testo 440 multifunction measuring instrument. Bluetooth works up to 65 feet. The humidity sensor has an of accuracy of 0.6% RH + 0.7% of m.v. in the range between 0 and 90% RH and is traceable to international humidity standards, such as ILAC, PTB and NIST.




Testo 0636 9772 High-precision temperature-humidity probe, fixed cable 0636 9772
Use the High-precision humidity/temperature probe with the compatible testo 440 multifunction measuring instrument. This humidity/temperature probe is equipped with a humidity sensor with an accuracy of 0.6% RH + 0.7% of m.v. in the range between 0 and 90% RH and is traceable to international humidity standards, such as ILAC, PTB and NIST.




Testo 0636 9731 Temperature-humidity probe with Bluetooth 0636 9731
Use the humidity/temperature probe with the compatible testo multifunction measuring instrument. Measurement Values are transmitted via Bluetooth, up to 65 feet. Thanks to a large measuring range of 0 to 100% RH and -4 to +158 °F, you can measure relative humidity and air temperature reliably.




Testo 0636 9732 Temperature-humidity probe, fixed cable 0636 9732
Use the humidity/temperature probe with the compatible testo multifunction measuring instrument. Dew point, wet bulb temperature, absolute humidity as well as the heating and cooling output are calculated at the same time. measuring range of 0 to 100% RH and -4 to +158 °F.




Testo 0636 9775 Robust temperature-humidity probe for temperatures up to +356 °F, fixed cable 0636 9775
Use the robust humidity/temperature probe with the compatible testo 440 multifunction measuring instrument. The robust humidity/temperature probe was specifically designed for use in sophisticated production and treatment processes.




Testo 0635 0551 Lux probe, 4.6 Ft. cable length 0635 0551
Use the lux probe with the compatible testo 440 multifunction measuring instrument. It assesses the illuminance according to the V-lambda curve, which corresponds to the sensitivity of the human eye in daylight. White or warm light LEDs K< 5,000 can also be measured without any problem.




Testo 0632 1551 CO2 Probe with Bluetooth, includes temperature and humidity sensor 0632 1551
Use the CO2 probe with the compatible testo 440 multifunction measuring instrument. The readings of the CO2 probe are transmitted to your measuring instrument via Bluetooth, up to 65 Ft.




Testo 0632 1552 CO2 probe incl. temperature and humidity sensor, fixed cable 0632 1552
Use the CO2 probe with the compatible testo 440 multifunction measuring instrument. This probe can be used to check the indoor climate areas such as offices, production areas or storage facilities.




Testo 0632 1271 CO Probe with Bluetooth 0632 1271
Use the CO probe with the compatible testo 440 multifunction measuring instrument. The readings of the CO probe are transmitted to your measuring instrument via Bluetooth, up to 65 ft.




Testo 0632 1272 CO probe, fixed cable 0632 1272
Use the CO probe with the compatible testo 440 multifunction measuring instrument. The readings of the CO probe are transmitted to your measuring instrument with a connection cable.




Testo 0628 0152 Turbulence probe, fixed cable 0628 0152
Use the turbulence probe with the compatible testo 440 multifunction measuring instrument. Calculate the degree of turbulence and draft risk at the same time, in accordance with EN ISO 7730 / ASHRAE 55. The fixed cable is used to connect the turbulence probe to the 440 Air velocity and IAQ meter.




Testo 0635 1052 Fume cupboard probe, fixed cable 0635 1052
Use the fume cupboard probe hot wire probe with the compatible testo 440 multifunction measuring instrument. It is particularly suitable for low air velocities up to +984 fpm. The fume cupboard probe measures the inflow rate and exhaust air volume flow in laboratory fume cupboards in accordance with DIN EN 14175-3/-4.




Testo 0615 1212 Waterproof immersion/penetration probe with NTC temperature sensor 0615 1212
For precise temperature measurements, use the waterproof immersion/penetration probe with the compatible testo 440 measuring instrument.




Testo 0615 1712 Robust air probe with NTC temperature sensor 0615 1712
For precise temperature measurements: use the robust air probe with exposed sensor NTC with the compatible testo 440 measuring instrument. The air probe is equipped with a high-quality NTC sensor with accuracy of up to 0.4 °F.




Testo 0635 9431 20 Vane probe ø 100 mm with Bluetooth 0635 9431 20
Use this 4 inch vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Measurements are transmitted to your 440 meter via Bluetooth, up to 65 ft. Includes temperature sensor




Testo 0635 9372 High-precision vane probe ø 100 mm 0635 9372
Use this 4 inch wired high precision vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Includes temperature sensor, fixed cable.




Testo 0635 1032 Hot wire probe with Bluetooth 0635 1032
Use the fixed cable to connect the hot wire probe to the measuring instrument. The probe is equipped with a telescopic extension which extends to a maximum length of 0.85 m. Includes temperature and humidity sensor.




Testo 0635 1571 Hot wire probe with Bluetooth 0635 1571
The readings of the hot wire probe are transmitted to your measuring instrument via Bluetooth, up to 65 ft. The hot wire probe is equipped with a telescopic extension, which can be extended to 3 ft. Includes temperature and humidity sensor.




Testo 0635 1572 Hot wire probe incl. temperature and humidity sensor 0635 1572
Use the fixed cable on the handle to connect the hot wire probe to the measuring instrument. The hot wire probe is equipped with a telescopic extension, which can be extended to 3 ft. The immersion depth is easy to read, even if visibility is poor, thanks to the high-contrast scaling marks.




Testo 0635 9532 Vane probe ø 16 mm fixed cable 0635 9532
The small diameter wired vane probe is to be used with the compatible testo 440 multifunction measuring instrument to determine air velocity and volume flow.




Testo 0635 9571 Vane probe ø 16 mm with Bluetooth 0635 9571
The small diameter Bluetooth vane probe is to be used with the compatible testo 440 multifunction measuring instrument to determine air velocity and volume flow. Measurements are transmitted to your measuring instrument via Bluetooth, up to 65 ft. Includes Temperature sensors




Testo 0635 9572 Vane probe ø 16 mm incl. temperature sensor 0635 9572
The small diameter wired vane probe with fixed cable is to be used with the compatible testo 440 multifunction measuring instrument to determine air velocity and volume flow.




Testo 0635 9371 High-precision vane probe ø 100 mm with Bluetooth 0635 9371
Use this 4 inch high precision vane probe with the compatible testo 440 multifunction measuring instrument to measure air velocity, volume flow and temperatures up to +158°F. Measurements are transmitted to your 440 meter via Bluetooth, up to 65 ft.. Includes temperature sensor.




Testo 0615 5505 Clamp Probe with NTC Temperature Sensor, ø .24 to 1.4" 0615 5505
For fast, precise temperature measurements, use the NTC clamp probe with the compatible testo 440 measuring instrument. Measures the surface temperature of pipes, pipe diameters from .25 to 1.4".




Testo 0554 0960 Extendable telescopic handle up to 3 Feet in length 0554 0960
For air velocity probes with universal handle. The extendable telescope with easy-to-read scaling makes it easier to carry out measurements in ventilation ducts. Thanks to the supplied 90° angle, you can even carry out convenient measurements at ceiling outlets.




Testo 0554 0990 Telescope extension length 1.3 to 3 ft 0554 0990
Use the two telescope extensions to easily extend the telescope and attain a total probe length of up to 6 ft.. These extensions are to be used for air velocity probes with a universal 440 handle.




Testo 0554 0991 A 90° angle adapter to use with velocity probes 0554 0991
Thanks to the 90° angle, you can even carry out convenient measurements at ceiling outlets. Use the angle adapter to attach the telescope to an air velocity probe connected to a universal Bluetooth or wired cable handle. For ceiling outlets.




Testo 0516 4401 Combi-Case for the 440 0516 4401
Safely store and transport your equipment with this sturdy case. It provides storage space for your 440 or 440 dP air velocity and IAQ measuring instrument, with room for additional probes.




Testo 0516 4401 Transport case for Testo 440 kits 0516 4900
Provides storage space for your testo 440 or testo 440 dP air velocity and IAQ measuring instrument, with room for other probes and practical accessories for measuring volume flow. Dimensions: 20.5 x 5.1 x 15.7 inches W x H x L




Ask a question about Testo 440 Air Velocity and IAQ Measuring Instrument with digital hot wire probe and digital vane probe, ø 3.9"

Customer Reviews for the Testo 440

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