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testo 440 delta P Air Flow ComboKit 1 with Bluetooth®

testo 440 delta P Air Flow ComboKit 1 with Bluetooth®

0563 4409

Volume flow measurement in ducts with the air velocity and IAQ measuring instrument testo 440

Volume flow measurement at outlets with the air velocity and IAQ measuring instrument testo 440

testo 440 delta P Air Flow ComboKit 1 with Bluetooth®

0563 4409

Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, differential pressure, humidity and temperature in ventilation ducts or at ventilation outlets

Space-saving: simply combine the universal Bluetooth handle with the 100 mm vane or hot wire probe head and the extendable telescope (1.0 m)

Convenient: wireless probes, internal data storage and USB port for data export

As multifaceted as your challenges themselves: the testo 440 dP has an integrated differential pressure sensor and can be expanded with a large portfolio of digital probes

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 and the 100 mm vane probe head and hot wire probe head (Ø 9 mm) for attachment to the universal Bluetooth^® handle supplied. To make measurements more convenient, both probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

A measuring instrument for all climate-related parameters

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)

testo 440 dP - Air velocity and IAQ measuring instrument including differential pressure sensor

: 0560 4402

Vane probe (Ø 100 mm, digital) with Bluetooth^® including temperature sensor: for measurements at ceiling/air outlets and at plate outlets, ventilation grilles or swirl outlets – measuring range +0.3 to +35 m/s, -20 to +70 °C

: 0635 9431

Hot wire probe head including temperature and humidity sensor: for attachment to extendable telescope for air velocity probes with universal handle – measuring range 0 to +50 m/s, -20 to +70 °C, 5 to 95% RH

: 0635 1570

Extendable telescope (up to 1 m in length) for flow probes

: 0554 0960

Combi-case for testo 440 and multiple probes; for protecting and transporting the testo 440 (dP) air velocity and IAQ measuring instrument and multiple probes

: 0516 4401

testo 440 dP - Air velocity and IAQ measuring instrument including differential pressure sensor

0560 4402

Temperature - NTC

Measuring range	-40 to +150 °C
Accuracy	±0.4 °C (-40 to -25.1 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range) ±0.3 °C (-25 to +74.9 °C)
Resolution	0.1 °C

Temperature - TC Type K (NiCr-Ni)

Measuring range	-200 to +1370 °C
Accuracy	±(0.3 °C + 0.3 % of mv)
Resolution	0.1 °C

Differential pressure (internal sensor) - Piezoresistive

Measuring range	-150 to +150 hPa
Accuracy	±0.05 hPa (0 to 1.00 hPa) (1.01 to +150 hPa) ±0.2 hPa + 1.5 % of mv
Resolution	0.01 hPa

General technical data

Weight	250 g
Dimensions	154 x 65 x 32 mm
Operating temperature	-20 to +50 °C
Connectable probes	1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x differential pressure (internal), 1 x Temperature TC Type K
Product colour	black/orange
Battery type	3 AA mignon 1.5 V
Battery life	12 h (typically vane measurement)
Interface	Bluetooth®; USB
Storage temperature	-20 to +50 °C

0635 9431

General technical data

Storage temperature	-20 to +60 °C
Weight	360 g
Dimensions	375 x 105 x 46 mm
Operating temperature	-5 to +50 °C
Probe head diameter	100 mm
Product colour	black/orange
Battery type	4 x type AA batteries
Battery life	60 h
Data transfer	Bluetooth®
Radio range	20 m

Temperature - NTC

Measuring range	-20 to +70 °C
Accuracy	±0.5 °C
Resolution	0.1 °C

Velocity / Volume flow

Measuring range	0.3 to 35 m/s
Accuracy	±(0.1 m/s + 1.5 % of mv) (0.3 to 20 m/s) ±(0.2 m/s + 1.5 % of mv) (20.01 to 35 m/s)
Resolution	0.01 m/s

0635 1570

Temperature - NTC

Measuring range	-20 to +70 °C
Accuracy	±0.8 °C (-20 to 0 °C) ±0.5 °C (0 to +70 °C)
Resolution	0.1 °C

Humidity - Capacitive

Measuring range	5 to 95 %RH
Accuracy	Hysteresis: ±1.0 %RH ±3 %RH (10 to 35 %RH) ±0.06 %RH/K (k=1) long-term stability: ±1%RH / year ±3 %RH (65 to 90 %RH) ±5 %RH (Remaining Range) ±2 %RH (35 to 65 %RH)
Resolution	0.1 %RH

Absolute Pressure

Measuring range	+700 to +1100 hPa
Accuracy	±3.0 hPa
Resolution	0.1 hPa

Velocity - Hot wire

Measuring range	0 to 50 m/s
Accuracy	±(0.5 m/s + 5 % of mv) (0 to 20 m/s) ±(0.03 m/s + 4 % of mv) (20.01 to 30 m/s)
Resolution	0.01 m/s

General technical data

Storage temperature	-20 to +70 °C
Weight	35 g
Dimensions	235 x 9 x 9 mm
Operating temperature	-20 to +70 °C
Diameter probe shaft	9 mm
Length probe shaft	230 mm
Product colour	Black

Extendable telescope (up to 1 m in length) for flow probes

0554 0960

General technical data

Weight	155 g
Dimensions	angle: 65 x 65 x 15 mm telescope: 375 x 17 x 16 mm
Operating temperature	-5 to +50 °C
Length telescope	1,000 mm
Diameter telescope	12 mm
Product colour	Black
Storage temperature	-20 to +60 °C

Combi-case for testo 440 and multiple probes; for protecting and transporting the testo 440 (dP) air velocity and IAQ measuring instrument and multiple probes

0516 4401

General technical data

Weight	1400 g
Dimensions	516 x 135 x 256 mm
Product colour	Black

Comfort probes

Turbulence probe (digital), wired: for determining the degree of turbulence and draught risk according to EN ISO 7730 / ASHRAE 55 – measuring range 0 to +5 m/s, 0 to +50 °C

:
0628 0152

Comfort probes

Lux probe (digital) for measuring illuminance, wired

Lux probe (digital), wired: for measuring illuminance in workplaces (e.g. offices, production areas) – measuring range 0 to 100,000 lux

:
0635 0551

Comfort probes

CO2 probe (digital) with Bluetooth® including temperature and humidity sensor

CO₂ probe (digital) with Bluetooth^® including temperature and humidity sensor: for measuring the indoor air quality in offices, production areas or storage facilities – measuring range 0 to 10,000 ppm, -10 to +50 °C, 5 to 95% RH

:
0632 1551

Comfort probes

CO2 probe (digital) including temperature and humidity sensor, wired

CO₂ probe (digital) including temperature and humidity sensor, wired: for measuring the indoor air quality in offices, production areas or storage facilities – measuring range 0 to 10,000 ppm, -10 to +50 °C, 5 to 95% RH

:
0632 1552

Comfort probes

CO2 probe head including temperature and humidity sensor

CO₂ probe head including temperature and humidity sensor: for attachment to universal Bluetooth^® or cable handle – measuring range 0 to 10,000 ppm, -10 to +50 °C, 5 to 95% RH

:
0632 1550

Comfort probes

CO probe (digital) with Bluetooth^®: for measuring carbon monoxide in indoor areas (e.g. boiler rooms) – measuring range 0 to 500 ppm

:
0632 1271

Comfort probes

CO probe (digital), wired: for measuring carbon monoxide in indoor areas (e.g. boiler rooms) – measuring range 0 to 500 ppm

:
0632 1272

Comfort probes

CO probe head: for attachment to universal Bluetooth^® or cable handle – measuring range 0 to 500 ppm

:
0632 1270

Comfort probes

Globe thermometer (TC type K) for the measurement of radiant heat – measuring range 0 to + 120 °C

:
0602 0743

Humidity probes

Humidity/temperature probe (digital) with Bluetooth^®: for measurements in rooms, ventilation ducts, refrigeration systems and heat pumps – accuracy ±2% RH / ±0.5 °C, measuring range 0 to 100% RH / -20 to +70 °C

:
0636 9731

Humidity probes

Humidity/temperature probe (digital), wired: for measurements in rooms, ventilation ducts, refrigeration systems and heat pumps – accuracy ±2% RH / ±0.5 °C, measuring range 0 to 100% RH / -20 to +70 °C

:
0636 9732

Humidity probes

Humidity/temperature probe head: for attachment to universal Bluetooth^® or cable handle – accuracy ±2% RH / ±0.5 °C, measuring range 0 to 100% RH / -20 to +70 °C

:
0636 9730

Humidity probes

High-precision humidity/temperature probe (digital) with Bluetooth^®: for measurements in cleanrooms and laboratories, and critical processes in the pharmaceutical, industrial and food sectors, as well as in storage, refrigerated and work rooms or in air conditioning/ventilation ducts - accuracy: ±(0.6% RH + 0.7 % of m.v.) (0 to 90% RH) / ±0.3 °C (+15 to +30 °C)

:
0636 9771

Humidity probes

High-precision humidity/temperature probe (digital), wired: for measurements in cleanrooms and laboratories, and critical processes in the pharmaceutical, industrial and food sectors, as well as in storage, refrigerated and work rooms or in air conditioning/ventilation ducts - accuracy: ±(0.6% RH + 0.7 % of m.v.) (0 to 90% RH) / ±0.3 °C (+15 to +30 °C)

:
0636 9772

Humidity probes

High-precision humidity/temperature probe head: for attachment to a universal Bluetooth^® or cable handle – accuracy: ±(0.6% RH + 0.7 % of m.v.) (0 to 90% RH) / ±0.3 °C (+15 to +30 °C)

:
0636 9770

Humidity probes

Robust humidity/temperature probe (digital) for temperatures up to +180 °C, wired: for measurements in industrial exhaust air, in bulk materials and in climatic test cabinets – accuracy ±2% RH (2.1 to 98% RH) / ±0.4 °C (0.1 to +50 °C), measuring range 0 to 100% RH / -20 to +180 °C

:
0636 9775

Humidity probes

testo 605i - thermohygrometer operated via smartphone

:
0560 2605 02

Pitot tubes

Stainless steel Pitot tube, length 500 mm, Ø 7 mm - for measuring flow velocity

:
0635 2045

Pitot tubes

Stainless steel Pitot tube, length 350 mm, Ø 7 mm - for measuring flow velocity

:
0635 2145

Pitot tubes

Stainless steel Pitot tube, length 1000 mm, Ø 7 mm - for measuring flow velocity

:
0635 2345

Pitot tubes

In the event of dust-laden flow in ventilation ducts or process air and higher flow velocities, we recommend using a Pitot tube.

:
0635 2043

Pitot tubes

In the event of dust-laden flow in ventilation ducts or process air and higher flow velocities, we recommend using a Pitot tube.

:
0635 2143

Pitot tubes

In the event of dust-laden flow in ventilation ducts or process air and higher flow velocities, we recommend using a Pitot tube.

:
0635 2243

Pressure probes

testo 510i – differential pressure measuring instrument with smartphone operation

:
0560 1510

Pressure probes

testo 549i - High-pressure gauge operated via smartphone

:
0560 2549 02

Temperature probes

testo 805i – infrared thermometer with smartphone operation

:
0560 1805

Temperature probes

Waterproof immersion/penetration probe with NTC temperature sensor

Waterproof immersion/penetration probe (NTC temperature sensor) for temperature measurements in liquids and semi-solid media – measuring range -50 to +150 °C, accuracy ±0.2 °C (-25 to +74.9 °C)

:
0615 1212

Temperature probes

Robust air probe with NTC temperature sensor

Robust air probe (NTC temperature sensor) with a short response time, for measuring air temperature – measuring range -50 to +125 °C, accuracy ±0.2 °C (-25 to +80 °C)

:
0615 1712

Temperature probes

Clamp probe with NTC temperature sensor for measurements on pipes (Ø 6-35 mm)

Clamp probe (NTC temperature sensor) for measuring the surface temperature of pipes (Ø 6-35 mm) – measuring range -40 to +125 °C

:
0615 5505

Temperature probes

Robust air temperature probe (TC type K) – measuring range: -60 to +400 °C

:
0602 1793

Temperature probes

Fast-action surface probe with sprung thermocouple strip

Fast-action surface probe (TC type K) – measuring range -60 to +300 °C, short-term up to +500 °C

:
0602 0393

Temperature probes

Fast-reaction paddle surface probe (TC type K) - Measuring range: - 0 to +300°C

:
0602 0193

Temperature probes

Efficient, waterproof surface probe with small measurement head

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:
0602 0693

Temperature probes

Fast-action, angled surface temperature probe (TC type K) for flat and uneven surfaces – measuring range: -60 to +300 °C

:
0602 0993

Temperature probes

Magnetic probe (TC type K) - for surface temperatures

Surface temperature probe with magnet (TC type K), adhesive power 20 N – Measuring range -50 to +170°C

:
0602 4792

Temperature probes

Magnetfühler, Haftkraft ca. 10 N, mit Haft-Magneten

Surface temperature probe with magnet (TC type K), adhesive power 10 N – Measuring range -50 to +400°C

:
0602 4892

Temperature probes

Waterproof surface probe with widened measurement tip

Waterproof surface temperature probe with widened measuring tip (TC type K) for flat surfaces – measuring range -60 to +400 °C

:
0602 1993

Temperature probes

Temperature probe with Velcro (TC Type K)

:
0628 0020

Temperature probes

Pipe wrap probe for pipe diameter 5 to 65 mm

Temperature probe (TC type K) with clamping bracket for measurements on pipes with Ø 5-65 mm – Measuring range -60 to +130°C, briefly up to +280°C

:
0602 4592

Temperature probes

Clamp probe (TC type K) for temperature measurements on pipes with Ø 15-25 mm – Measuring range -50 to +100°C, briefly up to +130°C

:
0602 4692

Temperature probes

Efficient and fast-action immersion probe, waterproof

Flexible, fast-action immersion probe (TC type K) – measuring range: -60 to +1000 °C

:
0602 0593

Temperature probes

Fast-action, waterproof immersion/penetration probe

Fast-action immersion/penetration probe (TC type K) – measuring range: -60 to +800 °C

:
0602 2693

Temperature probes

Immersion measuring tip with TC plug type K - for fast temperature measurements

:
0602 5792

Temperature probes

Immersion measurement tip, flexible, for measurements in air

Flexible immersion measuring tip (TC type K) - Measuring range: -40 to +1000°C

:
0602 5693

Temperature probes

Waterproof immersion/penetration probe (TC type K) – measuring range -60 to +400 °C

:
0602 1293

Temperature probes

Flexible, low-mass immersion measurement tip

Exceptionally fast temperature probe (TC Type K)

:
0602 0493

Temperature probes

Wasserdichter Lebensmittelfühler aus Edelstahl (IP65)

Waterproof stainless steel food probe (TC type K) - measuring range: -60 to +400°C

:
0602 2292

Temperature probes

Thermocouple with TC adapter, flexible, 800 mm long

Flexible thermoelectric couple (TC type K, glass fibre) – Measuring range: -50 to +400°C

:
0602 0644

Temperature probes

Thermocouple with TC adapter, flexible, length 1500 mm

Flexible thermoelectric couple (TC type K, glass fibre) – measuring range -50 to +400°C

:
0602 0645

Temperature probes

Thermocouple with TC adapter, flexible, 1500 mm long, PTFE

Flexible thermoelectric couple (TC type K, PTFE) – measuring range -50 to +250°C

:
0602 0646

Temperature probes

Flexible temperature probe (digital) with Pt100 temperature sensor: for temperature measurements in locations that are difficult to access and in liquids – measuring range -100 to +260 °C

:
0618 0071

Temperature probes

Robust, fast-action air probe (digital)

:
0618 0072

Temperature probes

Immersion/penetration probe (digital) with Pt100 temperature sensor: for temperature measurements in liquids and pastes – measuring range -100 to +400 °C, accuracy up to ±0.15 °C

:
0618 0073

Temperature probes

Glass-coated laboratory probe (Pt100 temperature sensor, digital) for temperature measurements in aggressive media – measuring range -50 to +400 °C

:
0618 7072

Temperature probes

High-precision immersion/penetration probe (digital)

High-precision immersion/penetration probe (Pt100 temperature sensor, digital) for temperature measurements in liquids and pastes – measuring range -80 to +300 °C, accuracy up to ±0.05 °C

:
0618 0275

Temperature probes

Pipe wrap probe with NTC temperature sensor for measurements on pipes (Ø 5-65 mm)

Pipe wrap probe (NTC temperature sensor) for measuring the surface temperature of pipes (Ø 5-65 mm) – measuring range -60 to +130 °C

:
0615 5605

Temperature probes

testo 115i - Clamp thermometer operated via smartphone

:
0560 2115 02

Velocity

Hot wire probe (digital) with Bluetooth^®including temperature and humidity sensor: for measurements in ventilation ducts – measuring range 0 to +50 m/s, -20 to +70 °C, 5 to 95% RH

:
0635 1571

Velocity

Hot wire probe (digital) including temperature and humidity sensor, wired: for measurements in ventilation ducts – measuring range 0 to +50 m/s, -20 to +70 °C, 5 to 95% RH

:
0635 1572

Velocity

:
0635 1570

Velocity

Vane probe (Ø 16 mm, digital) with Bluetooth® including temperature sensor: for measurements in ventilation ducts – measuring range +0.6 to +50 m/s, -10 to +70 °C

:
0635 9571

Velocity

Vane probe (Ø 16 mm, digital) including temperature sensor, wired: for measurements in ventilation ducts – measuring range +0.6 to +50 m/s, -10 to +70 °C

:
0635 9572

Velocity

16 mm vane probe head including temperature sensor; for attachment to extendable telescope for air velocity probes with universal handle – measuring range +0.6 to +50 m/s, -10 to +70 °C

:
0635 9570

Velocity

Hot wire probe (digital) including temperature sensor, wired: for measurements in ventilation ducts – measuring range 0 to 30 m/s, -20 to +70 °C

:
0635 1032

Velocity

Vane probe (Ø 16 mm, digital), wired: for measurements in ventilation ducts – measuring range +0.6 to +50 m/s

:
0635 9532

Velocity

Fume cupboard probe (digital), wired: for measuring inflow speed and exhaust air volume flow in fume cupboards according to DIN EN 14175-3/-4 – measuring range 0 to 5 m/s, 0 to +50 °C

:
0635 1052

Velocity

High-precision vane probe (Ø 100 mm, digital) with Bluetooth^® including temperature sensor: for measurements at air outlets in cleanrooms and at plate outlets, ventilation grilles or swirl outlets – measuring range +0.1 to +15 m/s, -20 to +70 °C

:
0635 9371

Velocity

High-precision vane probe (Ø 100 mm, digital) including temperature sensor, wired: for measurements at air outlets in cleanrooms, as well as at plate outlets, ventilation grilles or swirl outlets – measuring range +0.1 to +15 m/s, -20 to +70 °C

:
0635 9372

Velocity

High-precision 100 mm vane probe head including temperature sensor: for attachment to extendable telescope for air velocity probes with universal handle or to a universal Bluetooth^® or cable handle – measuring range +0.1 to +15 m/s, -20 to +70 °C

:
0635 9370

Velocity

:
0635 9431

Velocity

Vane probe (Ø 100 mm, digital) including temperature sensor, wired: for measurements at ceiling/air outlets and at plate outlets, ventilation grilles or swirl outlets – measuring range +0.3 to +35 m/s, -20 to +70 °C

:
0635 9432

Velocity

100 mm vane probe head: for attachment to extendable telescope for air velocity probes with universal handle or to universal Bluetooth^® or cable handle – measuring range +0.3 to +35 m/s, -20 to +70 °C

:
0635 9430

Velocity

testo 405i – thermal anemometer with smartphone operation

:
0560 1405

Velocity

testo 410i – vane anemometer with smartphone operation

:
0560 1410

Velocity

Hot ball probe (Ø 3 mm) - for flow and temperature

Hot ball probe (Ø 3 mm, digital), incl. temperature sensor, fixed cable: for measurement in non-directional air flows – measuring range 0 to 10 m/s, -20 to +70 °C

:
0635 1051

Velocity

Thermische Strömungssonde (Hitzdraht) ~ 7,5 mm

Hot wire probe (Ø 7.5 mm, digital), incl. temperature sensor, fixed cable: for measurement in ventilation ducts, at plate outlets, ventilation grilles – measuring range 0 to 20 m/s, -20 to +70 °C

:
0635 1026

Sets

testo 440 delta P Air Flow ComboKit 1 with Bluetooth^® for carrying out measurements in ventilation ducts and at air/ceiling outlets. Convenient measurement of air velocity and volume flow (with vane probe Ø 100 mm and hot wire probe head Ø 9 mm), differential pressure, humidity and temperature in ventilation ducts and at air/ceiling outlets

:
0563 4409

Sets

testo 440 delta P Air Flow ComboKit 2 with Bluetooth^®: for carrying out measurements in ventilation ducts, at air/ceiling outlets and in offices. Convenient measurement of air velocity and volume flow (with vane probe Ø 100 mm or vane probe head Ø 16 mm), differential pressure, humidity and temperature

:
0563 4410

Accessories

BLUETOOTH®-/IRDA printer with Bluetooth® and IrDA interface for printing out measurement data and graphs from compatible Testo measuring instruments or Testo Apps

:
0554 0621

Accessories

Measuring tripod for IAQ and comfort level measurements, to ensure standard-compliant, secure positioning of measuring instrument and probes including transport bag

:
0554 1591

Accessories

Measuring tripod for flow measurements, for standard-compliant and secure positioning of probes

:
0554 1592

Accessories

Universal Bluetooth® handle for connecting probe heads

Bluetooth^® handle for connecting probe heads: transmits readings conveniently via Bluetooth

:
0554 1111

Accessories

Universal cable handle for connecting probe heads

Cable handle for connecting probe heads: transmits readings via cable

:
0554 2222

Accessories

testovent 417 volume flow straightener set

testovent 417 flow straightener set for volume flow measurement, consisting of the testovent 417 volume flow straightener and the testovent 417 funnel set

:
0554 4173

Accessories

testovent 417 funnel set for volume flow measurement, consisting of a funnel for plate outlets (Ø 200 mm) and a funnel for ventilation grilles (330 x 330 mm), used with 100 mm vane

:
0563 4170

Accessories

testo 318 - Endoscope

:
0563 3185

Accessories

Extendable telescope (up to 1 m in length) for flow probes

:
0554 0960

Accessories

Telescope extension (length 0.4 to 0.9 m) for flow probes with universal handle

Telescope extension for flow probes, length 0.4 to 0.9 m

:
0554 0990

Accessories

90° angle for the attachment of vane probes (Ø 100 mm) with universal handle

90° angle: for connecting vane probes (Ø 100 mm): for correct positioning at ceiling outlets

:
0554 0991

Accessories

Extendable telescope with ball head joint - for slanted ceiling outlets

:
0430 0946

Accessories

Handle adapter for connection to flow probes with universal handle

Handle adapter: for connection to flow probes or extendable telescope for flow probes

:
0554 2160

Accessories for measuring instrument

USB mains unit incl. cable

:
0554 1105

Accessories for measuring instrument

Connection hose, silicone - max. load capacity up to 700 hPa (mbar)

:
0554 0440

Accessories for measuring instrument

Connection hose silicone-free for differential pressure measurement, length 5 m, load up to maximum 700 hPa, (mbar)

:
0554 0453

Certificates

ISO pressure calibration certificate; with 5 measuring points distributed over the measuring range; accuracy > 0.6 % of f.v.

:
0520 0005

Certificates

ISO calibration certificate for pressure; calibration at selectable measuring points within the range pe/pabs = -1 to 5001 bar

:
0520 0105

Certificates

DAkkS pressure calibration certificate; with 5 measuring points distributed over the measuring range, accuracy > 0.6 % of f.v.

:
0520 0225

Certificates

ISO flow calibration certificate for hot wire anemometers, vane anemometers and Pitot tubes; with 4 measuring points: 1 / 2 / 5 / 10 m/s

:
0520 0004

Certificates

ISO flow calibration certificate for hot wire anemometers, vane anemometers and Pitot tubes; with 4 measuring points: 5 / 10 / 15 / 20 m/s

:
0520 0034

Certificates

DAkkS flow calibration certificate for hot wire anemometers, vane anemometers and Pitot tubes; with 5 measuring points: 0.5 / 1 / 2 / 5 / 10 m/s

:
0520 0204

Certificates

DAkkS calibration certificate for flow for anemometers and Pitot tubes; calibration at 3 measuring points: 2.5 / 5 / 10 m/s

:
0520 0254

Certificates

ISO calibration certificate for flow; calibration at selectable measuring points between 0.5 and 27 m/s

:
0520 0104

Certificates

DAkkS calibration certificate for flow; calibration at selectable measuring points between 0.1 and 68 m/s

:
0520 0214

Certificates

ISO temperature calibration certificate for air/immersion probes; with 3 measuring points: -8 / 0 / +40 °C

:
0520 0181

Certificates

DAkkS flow calibration certificate for hot wire anemometers, vane anemometers and Pitot tubes; with 5 measuring points: 0.5 / 1 / 2 / 5 / 10 m/s

:
0520 0244

Certificates

DAkkS temperature calibration certificate for air/immersion probes; with 3 measuring points: -20 / 0 / +60 °C

:
0520 0211

Certificates

DAkkS humidity calibration certificate; with 3 measuring points: 11.3 / 50 / 75.3 %RH at +25 °C

:
0520 0266

Certificates

ISO humidity calibration certificate; with 2 measuring points: 11.3 and 75.3 %RH at +25°C

:
0520 0006

Further accessories measuring instrument/probes

Flow straightener testovent 417

:
0554 4172

Sensor heads

16 mm vane probe head including temperature sensor; for attachment to extendable telescope for air velocity probes with universal handle – measuring range +0.6 to +50 m/s, -10 to +70 °C

:
0635 9570

Sensor heads

:
0635 9370

Sensor heads

:
0635 9430

Sensor heads

:
0635 1570

Sensor heads

Humidity/temperature probe head: for attachment to universal Bluetooth^® or cable handle – accuracy ±2% RH / ±0.5 °C, measuring range 0 to 100% RH / -20 to +70 °C

:
0636 9730

Sensor heads

High-precision humidity/temperature probe head: for attachment to a universal Bluetooth^® or cable handle – accuracy: ±(0.6% RH + 0.7 % of m.v.) (0 to 90% RH) / ±0.3 °C (+15 to +30 °C)

:
0636 9770

Sensor heads

CO₂ probe head including temperature and humidity sensor: for attachment to universal Bluetooth^® or cable handle – measuring range 0 to 10,000 ppm, -10 to +50 °C, 5 to 95% RH

:
0632 1550

Sensor heads

CO probe head: for attachment to universal Bluetooth^® or cable handle – measuring range 0 to 500 ppm

:
0632 1270

Transport and Protection

Combi-case for testo 440 and multiple probes; for protecting and transporting the testo 440 (dP) air velocity and IAQ measuring instrument and multiple probes

:
0516 4401

Transport and Protection

Service case for volume flow measurement; for protecting and transporting the testo 440 (dP) air velocity and IAQ measuring instrument, probes and accessories for measuring volume flow

:
0516 4900

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.

Volumetric flow measurement in ventilation ducts with vane probe (Ø 16 mm) and testo 440

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).

Measure CO2 concentration for assessing indoor air quality with CO2 probe and testo 440

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.

Determining the degree of turbulence with turbulence probe and testo 440

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

Volumetric flow measurement in fume cupboards with fume cupboard probe and testo 440

Data sheet testo 440(pdf, 3.12 MB)
Data sheet testo 440 delta P Air Flow ComboKit 1 with Bluetooth®(pdf, 598.06 kB)

Instruction manual testo 440(pdf, 1.63 MB)
Instruction manual testo Air velocity and IAQ probes with Bluetooth® handle(pdf, 1.0 MB)

Firmware update testo 440(v1.0.8, 3.15 MB)
see instruction manual for instructions on how to update your device