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- testo 440 delta P Air Flow ComboKit 1 with Bluetooth®
0563 4409
testo 440 delta P Air Flow ComboKit 1 with Bluetooth®
0563 4409
testo 440 delta P Air Flow ComboKit 1 with Bluetooth®
The testo 440 delta P Air Flow ComboKit 1 with Bluetooth® provides a complete, wireless solution for measuring air velocity, differential pressure, humidity, and temperature in ventilation ducts and at air outlets. It includes the testo 440 IAQ measuring instrument, a 100 mm vane probe, a hot wire probe (Ø 9 mm), and a differential pressure sensor, all stored in a convenient, rugged carrying case.
- Comprehensive IAQ Measurement – Measures all IAQ parameters, including flow velocity, temperature, humidity, pressure, CO2, CO, and more.
- Accurate Differential Pressure Measurement – Includes a differential pressure sensor for precise pressure drop and flow assessments.
- Wireless Bluetooth® Convenience – No cables needed with Bluetooth® probes, allowing for flexible and hassle-free measurements.
- Smart Data Handling – Stores up to 7500 readings and enables report exports via USB as CSV files for easy analysis.
The testo 440 allows for the simultaneous determination of air velocity, volume flow, humidity, temperature, and differential pressure, making it an ideal tool for professionals who need to assess ventilation systems, comfort levels, and air quality. The intuitive, clearly structured measurement menu simplifies data collection, ensuring accurate and efficient results.
For added convenience, the 100 mm vane probe and hot wire probe (Ø 9 mm) can be combined with the extendable telescope (up to 1.0 m), allowing you to reach hard-to-access areas. The kit is stored in a durable carrying case, making it easy to transport and ready for use on-site.
Wireless Bluetooth® functionality means you can take measurements without the hassle of cables, while the USB interface allows you to export measurement reports in CSV format for further analysis and reporting.
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Temperature - NTC
Temperature - TC Type K (NiCr-Ni)
Differential pressure (internal sensor) - Piezoresistive
General technical data
General technical data
Temperature - NTC
Velocity / Volume flow
Temperature - NTC
Humidity - Capacitive
Absolute Pressure
Velocity - Hot wire
General technical data
General technical data
General technical data
- 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)
- Hot wire probe head (Ø 9 mm) including temperature and humidity sensor and calibration protocol (0635 1570)
- Extendable telescope (up to 1 m in length) for air velocity probes with a universal handle including 90° angle (0554 0960)
- Combi-case for testo 440 and multiple probes (0516 4401)
Comfort probes
Food probes
Humidity probes
Pitot tubes
Pressure probes
Surface probes
Temperature probes
Velocity
Sets
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.
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.
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 probe
- Thanks 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 cable
- To 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 area
- Use 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
- see instruction manual for instructions on how to update your device
Accessories
Accessories for measuring instrument
