Alongside temperature, the physical measurement parameter of pressure is one of the most important and most measured parameters for applications in research and engineering. A large number of measuring tasks have become indispensable for a wide range of applications in heating, sanitation and air-conditioning sectors, in process engineering and in many other areas.
Order-Nr. 0563 0510
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
Order-Nr. 0560 5129
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
Order-Nr. 0560 5128
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
Order-Nr. 0560 5126
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
Order-Nr. 0560 5127
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
Order-Nr. 0560 5210
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
Order-Nr. 0560 5281
The testo 526-2 high-precision differential pressure measuring instrument is ideally suited for checking pressure in sensitive industrial processes, thanks to a measuring accuracy of ± 0.05% of final value. Two additional pressure and temperature probes can also be attached.
Temperature-compensated differential pressure sensor
Multi-point and timed mean calculation
Freely selectable measuring rate for recording measurement data
2 additional probe inputs for the attachment of optional pressure and temperature probes
Order-Nr. 0560 5213
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
Order-Nr. 0560 5211
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
Order-Nr. 0560 5280
Ideal for checking pressure in sensitive industrial processes: the testo 526-1 high-precision differential pressure measuring instrument with a measuring accuracy of ± 0.1% of final value. It also has two probe inputs for additional pressure and temperature probes.
Temperature-compensated differential pressure sensor
Multi-point and timed mean calculation
Recording of measurement data with freely selectable measuring rate
2 probe inputs for pressure and temperature
Order-Nr. 0563 2550
The practical kit makes it even easier to work on air conditioning and refrigeration systems: the testo 550 digital manifold, including set of 3 filling tubes, enables you to get down to work straight away! The instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can be connected to your smartphone/tablet via the testo refrigeration App. Thanks to the App, the display and documentation of the measurement results are particularly convenient.
Extensive accessories included: set of 3 filling tubes, 2 x clamp temperature probes and transport case
Automatic superheating/subcooling calculation for 60 refrigerants: no more need for error-prone manual calculations
With a practical App: (remote) display, graphical progression display, documentation of readings and refrigerant updates
Temperature-compensated leakage test
Order-Nr. 0563 1550
The testo 550 digital manifold can now make working on refrigeration systems and heat pumps even easier: the instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can now also be connected to a practical smartphone/tablet app. The app makes the operation and the documentation of measurement results significantly more convenient.
Automatic superheating/subcooling calculation: no more need for manual calculations, which are prone to error
With a practical app: (remote) display, graphical progress display, documentation of readings
Temperature-compensated leakage test
60 current refrigerants are included in the manifold (update possible via app)
Order-Nr. 0563 2557
Practical kit for work on air conditioning and refrigeration systems, as well as on heat pumps: the testo 557 digital manifold, including set of 4 filling tubes, enables you to get down to work straight away! The testo 557 digital manifold fulfils numerous functions in just one instrument: including superheating/subcooling calculation, vacuum measurement and temperature-compensated leakage test. You can also use a practical App to monitor the manifold via your smartphone/tablet and to store the measurement results or send them by e-mail.
Extensive accessories included: set of 4 filling tubes, 2 x clamp temperature probes, precise external Pirani gauge for vacuum measurement and transport case
Calculation of superheating and subcooling in real time for 60 refrigerants: no error-prone manual calculation
Connection to smartphone/tablet App: remote monitoring, clever measurement documentation and refrigerant updates
Temperature-compensated leakage test, automatic ambient pressure measurement
Order-Nr. 0563 1557
The testo 557 digital manifold fulfils numerous functions, which are required for working on refrigeration systems and heat pumps, in just one instrument: for example superheating/subcooling calculation, vacuum measurement, temperature-compensated leakage test. You can also use a practical app to monitor the manifold via your smartphone/tablet and store the measurement results or send them by e-mail.
Calculation of superheating and subcooling in real time: no manual calculation, which is prone to error
Connect to smartphone/tablet app: remote monitoring and smart measurement documentation
Precise external Pirani gauge for vacuum measurement, temperature-compensated leakage test, automatic ambient pressure measurement
The 60 most common refrigerants are stored in the instrument, subsequent updates possible (via app)
Order-Nr. 0563 0002 02
The testo Smart Probes AC & refrigeration test kit is ideally suited for testing air conditioning and refrigeration systems and installing them. The large testo HVAC softcase enables the measuring instruments to be conveniently transported and ensures that they are always to hand when they are needed.
Fast and simple installation of the testo 549i high-pressure measuring instrument directly onto the pressure connection
Low refrigerant loss thanks to hoseless application
Automatic calculation of evaporation and condensation temperatures and simple selection from more than 80 refrigerants via testo Smart Probes App
Large testo HVAC softcase: store additional testo Smart Probes for further applications in the heating, air conditioning and ventilation field safely
Order-Nr. 0563 0002
The testo Smart Probes Refrigeration set is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems, as well as for installing them. The robust testo Smart Case enables the measuring instruments to be conveniently transported and ensures that they are always to hand when needed.
Low refrigerant loss thanks to hose-free application
Quick and easy installation directly at the pressure connection
Easy refrigerant selection
Automatic calculation of the evaporation and condensation temperature via testo Smart Probes App
Order-Nr. 0560 0550
The testo 549 digital manifold offers many advantages in comparison with analog manifolds: the instrument will make it easier for you to work on refrigeration systems and heat pumps. With its integrated temperature measurement and automatic calculation of superheating/subcooling, you can now do away with additional measurements and manual comparisons (when using an optional clamp probe). You can also use the manifold for 60 current refrigerants.
60 current refrigerants stored in the instrument
Calculation of superheating and subcooling in real time (with optional clamp probe): saves you from having to carry
Temperature-compensated leakage test
Two temperature-compensated pressure sensors
Order-Nr. 0560 1510
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
Order-Nr. 0563 4800
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
Order-Nr. 0563 4354
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