Differential pressure

Testo has a range of measuring instruments with integrated sensor for the simple and reliable measurement of differential pressure. They are 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.

65 Products or Recomendations for Differential pressure
  • testo 510 set - differential pressure measuring instrument

    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 

    Rs.  10,008.00
    Taxes & freight extra, probes & accessories additional
  • testo 512 - Differential pressure measuring instrument for 0 to 2000 hPa

    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

    Rs.  44,982.00
    Taxes & freight extra, probes & accessories additional
  • testo 512 - Pressure and flow velocity measuring instrument

    Order-Nr. 0560 5127

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

    • 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

    Rs.  44,982.00
    Taxes & freight extra, probes & accessories additional
  • testo 512 - Differential pressure meter for 0…200 hPa

    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

    Rs.  44,982.00
    Taxes & freight extra, probes & accessories additional
  • testo 512 - Differential pressure meter for 0…2 hPa

    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

    Rs.  44,982.00
    Taxes & freight extra, probes & accessories additional
  • testo 521-1 - differential pressure measuring instrument (0.2 % of f.v.)

    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

    Rs.  94,116.00
    Taxes & freight extra, probes & accessories additional
  • testo 521-3 - Differential pressure measuring instrument (up to 2.5 hPa)

    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
       

    Rs.  96,734.00
    Taxes & freight extra, probes & accessories additional
  • testo 521-2 - differential pressure measuring instrument (0.1 % of f.v.)

    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
       

    Rs.  117,678.00
    Taxes & freight extra, probes & accessories additional
  • testo 6351 - Differential pressure transmitters with high accuracy and long-term stability

    Order-Nr. 0555 6351

    Differential pressure transmitters with high accuracy and long-term stability

    • Automatic zero-point adjustment guarantees high temperature-independent accuracy and long-term stability

    • Low measuring range down to 50 Pa ensures very high precision at the lowest pressures

    • Measurement of differential pressure, flow velocity and volume flow

    • Configurable alarm management with adjustable response delay and alarm acknowledgement
       

    Price on Request
  • testo 6321 - pressure transmitter for differential pressure

    Order-Nr. 0555 6321

    Measuring and control technology also ensures efficiency in air conditioning and ventilation technology: the testo 6321 high-precision pressure transmitter for measuring differential pressure has long-term stability and helps you to monitor and control processes in air conditioning, ventilation and cleanroom technology in a reliable and efficient way.

    • Pressure transmitter for measuring differential pressure in the 100 Pa to 2 bar measuring range

    • Magnetic valve for automatic zero-point adjustment guarantees high temperature independent accuracy and long-term stability

    • Alignment and analysis save time and costs for commissioning and maintenance

    • Available with and without display

    Price on Request
  • testo 549 - entry-level digital manifold

    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

    Rs.  25,849.00
    Taxes & freight extra, probes & accessories additional
  • testo 6383 - Differential pressure transmitter in cleanroom-conform panel design

    Order-Nr. 0555 6383

    Differential pressure transmitter in cleanroom-conform panel design

    • Flat housing enables flush surface integration in the cleanroom wall

    • Low measuring range from 10 Pa ensures very high precision at the lowest pressures

    • Pressure transmitter for measuring differential pressure, as an option: humidity and temperature

    • Automatic zero-point adjustment guarantees high temperature-independent accuracy and long-term stability

    Price on Request
  • testo 435-3 - Multi-function climate measuring instrument

    Order-Nr. 0560 4353

    testo 435-3 – multi-function climate measuring instrument with integrated differential pressure measurement. You can use this to carry out measurements for adjusting 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 Pitot tube for differential pressure measurement for filter monitoring or for measurement

    • 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

    Rs.  78,628.00
    Taxes & freight extra, probes & accessories additional
  • testo 6381 - Differential pressure transmitter with humidity/temperature option

    Order-Nr. 0555 6381

    Differential pressure transmitter with humidity/temperature option

    • Automatic zero-point adjustment guarantees high temperature-independent accuracy and long-term stability

    • Low measuring range from 10 Pa ensures very high precision at the lowest pressures

    • Pressure transmitter for differential pressure, flow velocity and volume flow, as an option: humidity and temperature

    • Configurable alarm management with adjustable response delay and alarm acknowledgement

    Price on Request
  • testo 445 - climate measuring instrument

    Order-Nr. 0560 4450

    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

    Price on Request
  • High-pressure set testo 312-4

    Order-Nr. 0563 1328

    testo 312-4 differential pressure gauge
    testo 312-4 hose set
    balloon pump with release screw
    conical test plug 1/2
    conical test plug 3/4
    testo fast printer
    pressure set for gas pressure measurements on heating systems
    high-pressure plug 3/8 und 3/4
    high-pressue plug 1/2 and 1
    high-pressure probe 1up to 25 bar
    system case

    Price on Request
  • testo 550 - Digital manifold

    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)

    Rs.  35,563.00
    Taxes & freight extra, probes & accessories additional
  • Basic set testo 312-4

    Order-Nr. 0563 1327

    testo 312-4 differential pressure gauge
    testo 312-4 hose set
    balloon pump with release screw
    conical test plug 1/2
    conical test plug 3/4
    testo fast printer
    pressure set for gas pressure measurements in heating systems
    system case

    Price on Request
  • testo 557 set - Digital vacuum gauge

    Order-Nr. 0563 1557

    The testo 557 digital vacuum gauge 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)

    Rs.  49,230.00
    Taxes & freight extra, probes & accessories additional
  • testo 420 - air capture hood

    Order-Nr. 0563 4200

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

    • Air capture hood for larger swirl outlets for measuring air capture, temperature and relative humidity

    • Impressively light with a weight of 2.9 kg

    • Precise measurement even at swirl outlets thanks to integrated air capture straightener

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

65 Products found
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