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402 products or recommendations for Large Service Contractors
  • testo 550i

    testo 550i - App-controlled digital manifold with Bluetooth and 2-way valve block

    Order-Nr. 0564 2550

    The testo 550i app-controlled digital manifold with Bluetooth ®, 2-way valve block and sturdy hook offers extensive measurement technology in an exceptionally compact format. Use this extremely robust manifold to carry out your everyday work on refrigeration and air conditioning systems and heat pumps wirelessly, with ease and reliability. All using the testo Smart App on your smartphone or tablet.

    • All activities, from measurement through to documentation, using the testo Smart App on your Smartphone

    • The smallest digital manifold on the market

    • Maximum reliability thanks to the extremely robust housing with IP54 protection class

    • Optionally expandable with testo Smart Probes for temperature, humidity and vacuum

    Details
  • testo 550 digital manifold kit

    testo 550 digital manifold kit - with Bluetooth® and set of 3 filling tubes

    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 practical testo Smart App: Remote display and operation, graphic curve display, measurement value storage and documentation, automatic refrigerant updates

    • Temperature-compensated leakage test

    Details
  • testo 557 digital manifold kit

    testo 557 digital manifold kit - with Bluetooth® and set of 4 filling tubes

    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

    • With practical testo Smart App: Remote display and operation, graphic curve display, measurement value storage and documentation, automatic refrigerant updates

    • Temperature-compensated leakage test, automatic ambient pressure measurement

    Details
  • 0563-1557-p-se-ref-005817.jpg

    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

    • With practical testo Smart App: Remote display and operation, graphic curve display, measurement value storage and 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)

    Details
  • testo 510 Set

    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 

    Details
    Where to Buy
  • testo 608 H1

    testo 608-H1 - Thermohygrometer

    Order-Nr. 0560 6081

    The testo 608-H1 thermohygrometer enables you to have a continuous display of the current temperature and humidity values. This means you can always keep an eye on the indoor climate.

    • Continuous measurement and display of temperature and relative humidity

    • Calculation and display of the dew point

    • Large, clear display

    • Durable quality: capacitive humidity sensor with long-term stability for many years of measurement

    Details
    Where to Buy
  • testo 925 - temperature measuring instrument

    testo 925 - temperature measuring instrument

    Order-Nr. 0560 9250

    This temperature measuring instrument is particularly practical because it enables virtually any kind of temperature measurement. Whether for surface, air or immersion/penetration measurement: with the testo 925 you can rely on our all-rounder in heating engineering, the sanitation sector and refrigeration and air conditioning technology.

    • An attachable temperature probe and a radio temperature probe can be connected

    • Large range of fast temperature probes on offer for surface, air or immersion/penetration measurement (optional)

    • Continuous display of min./max. values

    • Acoustic alarm sounds when limit values are exceeded

    Details
    Where to Buy
  • testo 915i temperature kit

    testo 915i temperature kit - Thermometer with temperature probes and smartphone operation

    Order-Nr. 0563 5915

    The testo 915i temperature kit with temperature probes will enable you to tackle your temperature measurements with greater speed, flexibility and ease: Included is a wireless thermometer testo 915i, an air probe, an immersion/penetration probe and a surface probe (all TC type K, class 1). The handle is compatible with all standard type K thermocouple probes – making it versatile. Thanks to Bluetooth and the testo Smart App, operation, evaluation and documentation can be carried out with exceptional ease and flexibility.

    • Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes

    • In the kit: testo 915 Smart Probe with secure locking mechanism for attaching probes, air probe, immersion/penetration probe and surface probe, (all TC Type K, Class 1), testo Smart Case

    • Easy operation, evaluation and documentation with free testo Smart App as well as automatic Bluetooth® connection to smartphones, tablets or Testo measuring instruments (e.g. testo 400, testo 550s) with a range of up to 100 m

    • High measurement accuracy thanks to system calibration ex-works

    Details
  • testo Smart Probes AC & Refrigeration Test & Load Kit Plus delivery

    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 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 App

    • 100 m Bluetooth® range for particularly flexible applications

    • Transmission and analysis of measurement data via testo Smart App

    Details
  • testo Smart Probes AC & Refrigeration Test Kit delivery

    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 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 App

    • 100 m Bluetooth® range for particularly flexible applications

    • Transmission and analysis of measurement data via testo Smart App

    Details
  • testo 300 kit

    testo 300 kit 1 with printer - Flue gas analyzer (O2, CO up to 4,000 ppm)

    Order-Nr. 0564 3002 71

    With this kit, you will be equipped for the most important measurements involving heating systems: the TÜV-tested testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth® printer, instrument case and practical accessories.

    • Fast and easy to operate: intuitive measurement menus and fast-response Smart-Touch display

    • Including O2 and CO sensor up to 4,000 ppm

    • Large 5-inch HD display – see all the system's measuring values at a glance

    • In the kit: testo 300 flue gas analyzer, including O2 and CO sensor up to 4,000 ppm, mains unit, basic flue gas probe, spare dirt filters, testo Bluetooth® printer, spare thermal paper, EasyHeat software, instrument case

    Details
  • testo 300 kit

    testo 300 kit 1 - Flue gas analyzer (O2, CO up to 4,000 ppm)

    Order-Nr. 0564 3002 70

    With this kit, you will be equipped for the most important measurements involving heating systems: the TÜV-tested testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, instrument case and practical accessories.

    • Fast and easy to operate: intuitive measurement menus and fast-response Smart-Touch display

    • Including O2 and CO sensor up to 4,000 ppm

    • Large 5-inch HD display – see all the system's measuring values at a glance

    • In the kit: testo 300 flue gas analyzer, including O2 and CO sensor up to 4,000 ppm, mains unit, basic flue gas probe, spare dirt filters, EasyHeat software, instrument case

    Details
  • testo 300 kit

    testo 300 kit 2 - flue gas analyzer (O2, CO H2-compensated up to 8,000 ppm)

    Order-Nr. 0564 3002 72

    With this kit, you will be equipped for the most important measurements involving heating systems: the TÜV-tested testo 300 flue gas analyzer is supplied with O2 and CO H2-compensated sensor up to 8,000 ppm, basic flue gas probe, instrument bag and practical accessories.

    • Fast and easy to operate: intuitive measurement menus and fast-response Smart-Touch display

    • Including O2, CO H2-compensated sensor up to 8,000 ppm

    • Large 5-inch HD display – see all the system's measuring values at a glance

    • In the kit: testo 300 flue gas analyzer, including O2 and CO H2-compensated sensor up to 8,000 ppm, mains unit, basic flue gas probe, spare dirt filters, EasyHeat software, instrument bag

    Details
  • testo 300 kit

    testo 300 kit 2 with printer - flue gas analyzer (O2, CO H2-compensated up to 8,000 ppm)

    Order-Nr. 0564 3002 73

    With this kit, you will be equipped for the most important measurements involving heating systems: the TÜV-tested testo 300 flue gas analyzer is supplied with O2 and CO H2-compensated sensor up to 8,000 ppm, basic flue gas probe, Bluetooth® printer, instrument bag and practical accessories.

    • Fast and easy to operate: intuitive measurement menus and fast-response Smart-Touch display

    • Including O2, CO H2-compensated sensor up to 8,000 ppm

    • Large 5-inch HD display – see all the system's measuring values at a glance

    • In the kit: testo 300 flue gas analyzer, including O2 and CO H2-compensated sensor up to 8,000 ppm, mains unit, basic flue gas probe, spare dirt filters, Bluetooth® printer, EasyHeat software, instrument bag

    Details
  • testo 552

    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 App

    • Measurement data dispatch via testo Smart App

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

    • Measures pressure and calculates the evaporation temperature of H2O automatically

    Details
  • testo 425 Thermal Anemometer

    testo 425 - Thermal anemometer with flow probe

    Order-Nr. 0560 4251

    The functional testing of ventilation and air conditioning systems includes monitoring the flow speed in ventilation ducts. If the air flow velocity and volumetric flow are not set correctly, the room air quality may suffer. The testo 425 thermal anemometer measures the flow speed and automatically calculates the volumetric flow.

    • Temperature and flow measurement as well as volumetric flow calculation

    • Permanently attached extendible telescopic probe – maximum length 820 mm, diameter 7.5 mm

    • With single and multi-point averaging

    • Hold function, display of min/max value, Auto-off function

    Details
    Where to Buy
  • testo 300 kit

    testo 300 Longlife kit 1 - Flue gas analyzer (O2, CO up to 4,000 ppm, NO - can be retrofitted)

    Order-Nr. 0564 3004 70

    Carry out installation and maintenance work on heating systems several times a day using the flue gas analyzer with Longlife sensors. The TÜV-tested testo 300 Longlife flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm (NO - can be retrofitted), basic flue gas probe, case and practical accessories.

    • Intuitive, smart, efficient: intuitive measurement menus, fast-response Smart-Touch operation, on-site documentation, e-mailing of reports

    • Including O2 and CO sensor up to 4,000 ppm (NO sensor - can be retrofitted)

    • High-quality sensor technology with up to 6 years' service life

    • In the kit: testo 300 Longlife flue gas analyzer, including O2 and CO sensor up to 4,000 ppm, mains unit, basic flue gas probe, spare dirt filters, EasyHeat software, case

    Details
  • Testo 830-t1

    testo 830-T1 - Infrared thermometer

    Order-Nr. 0560 8311

    The testo 830-T1 infrared thermometer allows efficient, non-contact surface temperature measurements to be carried out. The IR thermometer will leave you well equipped, especially for control readings in trade and industry: The gun-style design is easy to handle and the integrated processor provides accurate measurement results.

    • Infrared thermometer for non-contact surface temperature measurements

    • 10:1 optics and high resolution processor for accurate measurement results

    • Easy to use thanks to the gun-style design

    • Adjustable emission level

    Details
    Where to Buy
  • testo 300 kit

    testo 300 Longlife kit 1 with printer - Flue gas analyzer (O2, CO up to 4,000 ppm, NO - can be retrofitted)

    Order-Nr. 0564 3004 71

    Carry out installation and maintenance work on heating systems several times a day using the flue gas analyzer with Longlife sensors. The TÜV-tested testo 300 Longlife flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm (NO - can be retrofitted), basic flue gas probe, testo Bluetooth® printer, case and practical accessories.

    • Intuitive, smart, efficient: intuitive measurement menus, fast-response Smart-Touch operation, on-site documentation, e-mailing of reports

    • Including O2 and CO sensor up to 4,000 ppm (NO sensor - can be retrofitted)

    • High-quality sensor technology with up to 6 years' service life

    • In the kit: testo 300 Longlife flue gas analyzer, including O2 and CO sensor up to 4,000 ppm, mains unit, basic flue gas probe, spare dirt filters, testo Bluetooth® printer, spare thermal paper, EasyHeat software, case

    Details
  • testo 300 kit

    testo 300 Longlife kit 3 - flue gas analyzer (O2, CO H2-compensated up to 8,000 ppm, NO - can be retrofitted)

    Order-Nr. 0564 3004 72

    Carry out installation and maintenance work on heating systems several times a day using the flue gas analyzer with Longlife sensors. The TÜV-tested testo 300 Longlife flue gas analyzer is supplied with O2 and CO H2-compensated sensor up to 8,000 ppm (NO - can be retrofitted), TÜV-tested modular flue gas probe, case and practical accessories.

    • Intuitive, smart, efficient: intuitive measurement menus, fast-response Smart-Touch operation, on-site documentation, e-mailing of reports

    • Including O2, CO H2-compensated sensor up to 8,000 ppm (NO sensor - can be retrofitted)

    • High-quality sensor technology with up to 6 years' service life

    • In the kit: testo 300 Longlife flue gas analyzer, including O2 and CO H2-compensated sensor up to 8,000 ppm (NO - can be retrofitted), mains unit, modular flue gas probe, spare dirt filters, EasyHeat software, case

    Details
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