Absolute pressure

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.

32 products or recommendations for Absolute pressure
  • 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)

  • testo 557 set - Digital manifold

    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)

  • testo Smart Probes AC & refrigeration test kit plus

    Order-Nr. 0563 0002 41

    For refrigeration engineers: The kit contains two testo 549i high-pressure gauges, two testo 605i thermohygrometers and two testo 115i clamp thermometers. Used in conjunction with your smartphone/tablet, the kit is ideal for servicing, troubleshooting and installing air conditioning and refrigeration systems. The testo Smart Probes App makes your work easier and more efficient: over 90 stored refrigerants, automatic calculation of superheating/subcooling, target superheat and cooling/heating power, emailing of measurement data reports as PDF or Excel files.
    • Application-specific measurement menus for superheating/subcooling, target superheat, heating/cooling power

    • More than 90 common refrigerants plus refrigerant updates in the testo Smart Probes App

    • 100 m Bluetooth® range for particularly flexible applications

    • Transmission and analysis of measurement data via testo Smart Probes App

  • testo Smart Probes AC & refrigeration test kit

    Order-Nr. 0563 0002 10

    For refrigeration engineers: Compact kit containing testo 549i high-pressure gauge and testo 115i clamp thermometer (two of each). Used in conjunction with your smartphone/tablet, the kit is ideal for servicing, troubleshooting and installing air conditioning and refrigeration systems. The testo Smart Probes App makes your work easier and more efficient: over 90 stored refrigerants, automatic calculation of superheating/subcooling, emailing of measurement data reports as PDF or Excel files.
    • Application-specific measurement menus for superheating/subcooling

    • More than 90 common refrigerants plus refrigerant updates in the testo Smart Probes App

    • 100 m Bluetooth® range for particularly flexible applications

    • Transmission and analysis of measurement data via testo Smart Probes App

  • testo 552 - Digital vacuum gauge with Bluetooth®

    Order-Nr. 0560 5522

    Extremely precise, rugged and practical: the testo 552 digital vacuum gauge. Ideal for evacuating refrigerant systems or heat pumps.
    • Measurement data monitoring via testo Smart Probes App

    • Measurement data dispatch via testo Smart Probes App

    • Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display

    • Measures pressure and calculates the evaporation temperature of H2O automatically

  • 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) – you can do away with manual comparisons, which are prone to error, and obtain fast, accurate results

    • Temperature-compensated leakage test

    • Two temperature-compensated pressure sensors

  • testo 190-P1 - CFR Pressure data logger

    Order-Nr. 0572 1900

    Use the testo 190-P1 CFR pressure data logger for efficient monitoring of sterilization and freeze-drying processes. Designed for the pharmaceutical industry, the testo 190-P1 CFR data logger is ideally suited for tightness or overpressure testing in autoclaves and freeze-drying systems.
    • High-precision monitoring of absolute pressure in the 1 mbar to 4 barabs range

    • Durable, robust, reliably tight, even after changing the battery

    • Changing the battery takes just seconds, saving time and increasing efficiency

    • Simultaneous programming and readout of several CFR data loggers via the multifunction case

  • testo 191-P1 - HACCP pressure data logger

    Order-Nr. 0572 1916

    Use the testo 191-P1 HACCP pressure data logger, which is certified by HACCP International, for efficient monitoring of pasteurization and sterilization processes. Designed for food production, the testo 191-P1 is ideally suited for efficient saturated steam pressure testing in pasteurization and sterilization processes.
    • High-precision monitoring of absolute pressure in the 1 mbar to 4 barabs range

    • Durable, robust, reliably tight, even after changing the battery

    • Changing the battery takes just seconds, saving time and increasing efficiency

    • Simultaneous programming and readout of several HACCP data loggers via the multifunction case

  • testo 622 - Thermo hygrometer and barometer

    Order-Nr. 0560 6220

    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

  • testo 549i - High-pressure gauge operated via smartphone

    Order-Nr. 0560 2549 02

    The professional and compact testo 549i high-pressure gauge can be controlled via the testo Smart Probes App using your smartphone or tablet, and is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems. The App also enables evaporation and condensation temperatures to be calculated automatically.
    • Measurement of high and low pressure

    • Low refrigerant loss – since no hoses are required for measurements

    • Measurement data displayed in the form of a graph or table, and sent via testo Smart Probes App

    • Problem-free application at measuring points that are a long distance apart thanks to Bluetooth® range up to 100 m

  • testo 635-2 - Temperature and moisture meter

    Order-Nr. 0563 6352

    The testo 635-2 temperature and moisture meter allows you to carry out temperature and moisture measurements on a variety of different materials, surfaces and environments. This is made possible due to leading-edge technology and a wide selection of optionally available sensors.
    • Optionally available sensors for moisture, temperature, pressure dew point and absolute pressure measurements

    • 2 plug-in sensors and 3 wireless sensors can be connected

    • Super-size memory for up to 10 000 readings

    • USB cable and PC software for archiving and logging measuring data included

  • testo 635-1 - temperature and humidity measuring instrument

    Order-Nr. 0560 6351

    The testo 635-1 temperature and humidity measuring instrument enables you to measure the temperature, air humidity and dew point – in compressed air as well. State-of-the-art technology and a large selection of probes, which are available as an option, enable this wide variety of measuring possibilities.
    • Probes available as an option mean you can measure air humidity, temperature, absolute pressure and dew point in compressed air

    • Two plug-in probes and 3 radio probes can be attached

    • Calculates dew point and dew point distance

    • Display of min., max. and mean values

  • testo 511 - pocket-sized absolute pressure meter

    Order-Nr. 0560 0511

    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
       

  • testo 176 P1 - Absolute pressure, temperature and humidity data logger

    Order-Nr. 0572 1767

    When ambient conditions, for example in a laboratory, need to be documented securely and highly accurately, the testo 176 P1 is the right data logger. It has an integrated absolute pressure sensor and connection possibilities for two external temperature/humidity probes (optional).
    • Continuous measurement and documentation of absolute pressure

    • Record up to two additional humidity and temperature values simultaneously with optionally connectable probes

    • Large measurement data memory for up to 2 million measurement values, battery life of up to 8 years

    • For data evaluation on a PC, a selection of three software versions is available, basic software available as a free download

  • Comfort probe for turbulence measurement

    Order-Nr. 0628 0143

    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

  • ComSoft Professional - software

    Order-Nr. 0554 1704

    The ComSoft Professional software means you get software for programming and readout of Testo data loggers and for archiving data. It offers analysis and display possibilities over and above the basic functions.
    • Professional software for programming and readout of Testo data loggers and for archiving data

    • Graphic and tabular display of all measurement parameters

    • Effortless creation and management of reports

    • Intuitive user interface for efficient work

  • testo ComSoft Basic - Logger software

    Order-Nr. 0572 0580

    Free download: testo ComSoft Basic for programming and reading Testo data loggers.
    • Programme and read out Testo data loggers using the basic software

    • Particularly clear: graphic and tabular display of readings

    • Convenient export functions, e.g. for further processing of data in Microsoft Excel or generation of a PDF

  • ComSoft 21 CFR Part 11 - software

    Order-Nr. 0554 1705

    The ComSoft 21 CFR Part 11 software means you get validatable software for programming and readout of Testo data loggers and for archiving data. It fulfils all the FDA's 21 CFR Part 11 requirements.
    • Intuitive and validatable software for the pharmaceutical industry

    • Graphic and tabular display of all measurement parameters

    • Effortless creation and management of reports

    • Digital signature and audit trail for maximum security and safety

  • USB interface for data loggers

    Order-Nr. 0572 0500

    Use the USB interface to transmit the data logger's readings to the PC. Using the latest version of the testo ComSoft software, you can read out and analyze the readings - and you can also programme the data logger individually.
    • For transferring readings to your PC

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