Pressure measurement

The testo 625 Humidity Meter comes into its own all-in 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. 

• 2 in 1 Temperature and humidity
  measurement

• Calculation of dew point & Wetbulb 

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

• Integrated longlife moisture meter for lasting quality 

With the Testo Smart Tools 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 Tools 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 climate measurement meter with a wide range of optional probes that allows you to measure, analyse and log these and a variety of other parameters with only one device. 

• Measure multiple parameters Temperature, Humidity, Pressure Turbulence, Heat radiation, Co2 Lux, PMV/PPD, WBGT 

• Professional software for reporting & data logging 

• Highly accurate digital probes 

• Intelligent calibration concept

The Testo 622 indoor climate meter 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. 

• Measures air temperature, relative humidity and pressure 

• Alarm alerts when threshold is exceeded 

• Real time measurement values with date and time 

• Automatic calibration reminder 

The Testo 435-2 multi function meter is designed to allow you to carry out multiple measurements that are necessary to check and adjust ventilation and air conditioning systems and assess the quality of the indoor air. 

• Measures Multiple Parameters
  C, RH, Co2, Co, Pressure, Draught,
  Air velocity, Volumetric Flow, Turbulance,
  U Value, Lux 

• Illuminated Display 

• Large Range of Probes 

• Large display 

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

• Simlutaneous Display Of Flow & Pressure Values 

• 2 Measuing Units For Flow m/s, fpm 

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 0-2hPa 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

• Built In Density Compensation 

• Simlutaneous Display Of Flow & Pressure Values 

• 2 Measuing Units For Flow m/s, fpm 

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. 

• Calculation of barometric air pressure 

• Barometric altitude measurement 

• 8 switchable pressure units 

• Easy to use; backlit display for use in all lighting conditions 

The Testo 420 volume flow hood is suited for HVAC systems and comes with a control panel for displaying measurement data. The control panel can be tilted or removed to suit user requirement. 

• 16 measurement points that records Temperature, Humidity, Differential & Absolute Pressure. 

• Highly precise readings at swirl outlets thanks to flow straightener. 

• IOS & Andriod App Integration via Bluetooth connectivity. 

• Onsite report generation & email. 

The testo 512 0-2000hPa shows the pressure value in an easy-to-read, large, backlit display. Measurement data can be printed on site with date and time as well as minimum and maximum values. 

• 8 Units Of Pressure 

• kPa, hPa, Pa, mm H2O,mmHg, psi, inch H2O, inch Hg 

• Built In Density Compensation 

• Simlutaneous Display Of Flow & Pressure Values 

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 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
   

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.

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• 2 additional probe inputs for the attachment of optional pressure and temperature probes

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

• Built in test menu's to check pressure drops 

• 2 probe sockets to connect additional probes for measuring pressure, temperature, current/voltage 

The comfort probe (with the appropriate measuring instrument) is ideally suited for determining indoor air turbulence in accordance with EN 13779.

• Turbulence measurement in accordance with EN 13779

• Determination of air velocity and draught risk

• Integrated temperature and ambient pressure measurement

• Intelligent calibration concept