Pressure measurement

Differential pressure measurement on gas hot water heaters or on filters of air conditioning systems, and also flow measurements in ventilation ducts using a Pitot tube: the compact testo 510 differential pressure measuring instrument, which comes with a silicone connection hose and other useful accessories, can help you maintain and install systems in the sanitary and HVAC sector.

• Differential pressure measurement from 0 to 100 hPa 

• Flow measurement possible with a Pitot tube (available as an option)  

• Magnets on the rear allow hands-free work 

• 10 units to choose from, display in pascals can be selected 

The testo 625 thermohygrometer comes into its own in all situations where the right indoor climate is crucial, for example in archives, storerooms, greeenhouses and buildings. The testo 625 also calculates the dew point and wet bulb temperature quickly and accurately.

• Measures air temperature and relative humidity

• Calculates dew point and wet bulb temperature

• Displays min and max values, hold function, power off mode

• Integrated longlife moisture meter for long lasting quality

With the Testo Smart Probes VAC set, you can check air velocities, humidity, volume flows and temperatures in, on and around air conditioning systems. The robust testo Smart Case enables the measuring instruments to be conveniently transported and ensures that they are always to hand when needed.

• Easy parametrization of the outlet/duct cross-section for measuring the volume flow

• List of multiple volume flows and calculation of the total volume flow (in the log)

• Identification of mould risk thanks to the combined utilization of testo 605i and testo 805i

• Rapid image documentation with IR temperature readings and measuring spot marking

Handy and intelligent: the compact testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure, air flow velocity and volume flow. Readings can be viewed conveniently on your smartphone/tablet via the testo Smart Probes App and emailed directly.

• Measurement of gas flow and static pressure

• Measurement menu for pressure drop test including alerts

• Simple configuration and determination of volume flow with Pitot tube

• Magnetic holder for easy attachment

Air flow measurements in ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms. The testo 480 digital temperature, humidity and air flow meter comes with a wide range of optional sensors that allow you to measure, analyse and log these and a variety of other parameters with only one device.

• High-quality optional sensors for measuring air flow, temperature, humidity, pressure, degree of turbulence, heat radiation, CO2, illumination intensity, PMV/PPD and WBGT

• High-precision, integrated pressure sensor included

• Pro-software for easy and efficient analysis and logging included

• Intelligent calibration concept

The testo 622 thermo hygrometer and barometer is designed to provide you with an at-a-glance look at the air temperature, relative humidity and air pressure. Ideal for monitoring the ambient air, especially in laboratories during calibration or when running experimental setups.

• Measures air temperature, relative humidity and pressure

• Ideal for monitoring the ambient air especially in laboratories

• Alarm alerts when threshold is exceeded

• Table or wall mount

The testo 435-4 multifunction indoor air quality meter allows you to carry out all the measurements you need to inspect and adjust ventilation and air conditioning systems and to check the quality of the indoor air. There is also an integrated pressure difference sensor for pitot static tube measurements and filter monitoring and a wide range of optionally available sensors and probes to choose from.

• Includes pressure difference sensor for pitot static tube measurements or filter monitoring

• Further sensors optionally available (eg. anemometer, moisture sensors, lux and degree of turbulence sensors) for a variety of different measuring applications

• Super-size memory for up to 10 000 measurements

• PC software for analyzing and logging measuring data

The testo 435-2 indoor air quality meter allows you to carry out all the measurements that are necessary to check and adjust ventilation and air conditioning systems and assess the quality of the indoor air. Select from a wide range of probes and sensors. Because it’s you know best what your meter needs to be able to do!

• Comprehensive range of measuring functions using optionally available accessories – e.g. anemometers, moisture sensors, lux and degree of turbulence sensors

• Super-size memory for up to 10 000 readings

• Displays dew point difference, min, max and mean values

• PC software for analyzing and logging measuring data

The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0…200 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 10 and 100 m/s.

• 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

• 2 air flow units to select from: m/s, fpm

• Integrated density compensation

• Backlit display, min/max values, hold function

You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument: the allrounder can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. The climate measuring instrument therefore supports you in adjusting and checking ventilation and air conditioning systems.

• Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time

• Internal reading memory for up to 3,000 readings

• Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)

• Automatic mean value calculation and determination of the volume flow

The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0…2 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 2 and 17,5 m/s.

• 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

• 2 air flow units to select from: m/s, fpm

• Integrated density compensation

• Backlit display, min/max values, hold function

The testo 512 differential pressure meter is available as four different models. This model has a measuring range from 0….20 hPa and is ideal for measuring pressure differences at filters and for carrying out pitot static tube measurements in air ducts at air flow speeds between 5 and 55 m/s.

• 8 measurement units to choose from: psi, kPa, hPa, Pa, mm H₂O, mmHg, inch H₂O, inch Hg

• 2 air flow units to select from: m/s, fpm

• Integrated density compensation

• Backlit display, min/max values, hold function

Small, handy and practical: the testo 511 absolute pressure meter measures absolute pressure and is also suitable for measuring the barometric altitude between two points.

• High-precision absolute pressure measurement with an accuracy of ±3 hPa

• Suitable for barometric altitude measurements

• Calculates the barometric air pressure

• 8 pressure units available
   

Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets

• Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity

• Impressively light with a weight of 2.9 kg

• Precise measurement even at swirl outlets thanks to integrated volume flow straightener

• Fast set-up, convenient operation and protocol creation on site using the App

The testo 512 differential pressure measuring instrument is available in four different versions. This version is ideal for differential pressure measurement in the measuring range 0 to 2000 hPa.

• 7 pressure units to choose from: kPa, hPa, mm H2O, mmHg, psi, inch H2O, inch Hg

• Large measuring range up to 2000 hPa

• TopSafe protective case (optional) protects against impact, dirt and spray water

• Illuminated display, min./max. value display, hold function

testo 435-3 – multi-function climate measuring instrument with integrated differential pressure measurement. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess room air quality. For this we offer a comprehensive range of optional probes and sensors to choose from.

• Includes differential pressure measurement for filter monitoring or for measurement with a Pitot tube

• Further optional probes can be attached: thermal and vane anemometers, along with probes for air humidity, CO₂, absolute pressure and temperature

• Display of dew point distance, min., max. and mean values

• Illuminated display

The testo 830-T2 infrared thermometer can be used for carrying out non-contact temperature measurements. The kit includes a cross-strip/surface temperature sensor for carrying out control measurements or for measuring materials with low degrees of emission.

• Testo 830-T2 infrared thermometer

• Quick response surface temperature sensor with spring-mounted cross-strip

• Leather protective case

• Ideal for trade and industry

The high-precision testo 521-1 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

• Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Multi-point and timed mean calculation

• 2 probe inputs for additional pressure and temperature probes

The testo 521-3 high-precision differential pressure measuring instrument easily determines even the smallest differential pressures (up to +2.5 hPa). Its high accuracy and a resolution of 0.1 Pa make the instrument ideal for differential pressure measurements in clean rooms or for flue inspections.
 

• Integrated temperature-compensated differential pressure sensor with accuracy of up to ± 0.5 Pa

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Direct zeroing of the display values of pressure probes

• 2 probe inputs for additional pressure and temperature probes
   

The high-precision testo 521-2 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

• Integrated differential pressure sensor with an accuracy of 0.1 % of f.v.

• Calculation of the flow velocity and the volume flow via Pitot tube (optional)

• Multi-point and timed mean calculation

• 2 probe inputs for additional pressure and temperature probes