With this kit, you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth&reg; Connector, 1x testo 510i bluetooth differential manometer, 2 x testo 115i bluetooth pipe clamp thermometer, instrument carry case, AC USB power supply.

With this kit, you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth&reg; Connector, 1x testo 510i bluetooth differential manometer, 2 x testo 115i bluetooth pipe clamp thermometer, 1 x testo gas leak detector, instrument carry case, AC USB power supply.

The testo 300 FGA 'Smart' upgrade set allows connectivity to the testo Smart probe range. You can perform up to four additional wireless measurements in parallel to your exhaust gas measurement . Using the testo bluetooth adaptor supplied in the set, switch on the individual Smart Probes and they will automatically connect to your flue gas analyzer. All parallel measurements are also automatically displayed on your testo 300 and can be started and stopped simultaneously. Via the connection to the Smart App, the measurement, documentation and data transfer of all parallel measurements is carried out in a fast and professional manner.

The testo 300+ Flue Gas Analyser Smart Kit is a connected professional combustion testing package for modern heating engineers. It combines accurate flue gas measurement with smart digital workflows to simplify boiler servicing, diagnostics and reporting. It is ideal for boiler servicing and commissioning, digital reporting, combustion efficiency checks, CO safety testing and emissions documentation.

The testo 300+ Flue Gas Analyser Ultra Smart Kit is a premium connected combustion testing package for engineers who need advanced diagnostics and efficient digital reporting. It supports accurate flue gas analysis, streamlined workflows and reliable documentation for demanding heating applications. It is suited to advanced boiler servicing, emissions and compliance checks, smart diagnostics, CO safety testing and digital reporting.

With the testo 405i hot wire anemometer, you can measure air velocities, temperatures and volume flows. Via Bluetooth, the readings are transmitted wirelessly straight to the testo Smart App on your smartphone or tablet. You can view the values conveniently and use numerous intelligent features:

Professional measuring technology in a small format: the compact testo 410i vane anemometer with smartphone operation measures the volume flow, air velocity and temperature at air outlets quickly and reliably. The testo Smart App enables readings to be viewed conveniently and offers intelligent additional functions.

Handy and intelligent: the compact testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure. Readings can be viewed conveniently on your smartphone/tablet via the testo Smart App and emailed directly.

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth, 2-way valve block and sturdy hook. For wireless temperature measurement on either flow/return pipework or for superheat/subcooling calculation, the 2 x testo 115i Smart Probes supplied allow simple and effective measurement, and the testo 770-3 clampmeter can be used for compressor current measurenet and other electrical testing. You&rsquo;ll be ideally equipped to carry out your measuring tasks on either monobloc or split system Heat Pumps ,and the kit can also be used for general refrigeration and air-conditining service applications as well.

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth (with sightglass), 2-way valve block and sturdy hook. For wireless temperature measurement on either flow/return pipework or for superheat/subcooling calculation, the 2 x testo 115i Smart Probes supplied allow simple and effective measurement, and the testo 770-3 clampmeter can be used for compressor current measurenet and other electrical testing. You&rsquo;ll be ideally equipped to carry out your measuring tasks on either monobloc or split system Heat Pumps ,and the kit can also be used for general refrigeration and air-conditining service applications as well.

With this kit, you&rsquo;ll be ready to start your measurements in the commissioning, servicing and maintenance of &nbsp;heat pumps, refrigeration, or air-conditioning systems straight away: You will get the testo 550s smart digital manifold with Bluetooth and 2-way valve block, two testo 115i bluetooth temperature pipe clamp probes allow simple measurement of superheat and subcool values. The testo 770-3 clampmeter can be used for compressor current measurement, and completing the package is the testo 560i digital refrigerant scales for accurate and effective charging of refrigerants via weight.

With this kit, you&rsquo;ll be ready to start your measurements in the commissioning, servicing and maintenance of &nbsp;heat pumps, refrigeration, or air-conditioning systems straight away: You will get the testo 557s smart digital manifold with Bluetooth and 4-way valve block, two testo 115i bluetooth temperature pipe clamp probes allow simple measurement of superheat and subcool values whilst the testo 552i Vaccum smart probe provides bluetooth measurement during system evacuation procedure. The testo 770-3 clampmeter can be used for compressor current measurement, and completing the package is the testo 560i digital refrigerant scales for accurate and effective charging of refrigerants in conjunction with the Testo smart valve.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, and the testo 770-3 clamp meter, giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit + hoses. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, testo 770-3 clamp meter, and our hose set,&nbsp;giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, and the testo 770-3 clamp meter, giving you the ideal tools for precise and efficient servicing and maintenance. 
 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit + 4-piece hose set. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, testo 770-3 clamp meter, and our updated 4-piece hose set,&nbsp;giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. The practical kit containing the testo 558s digital manifold with Bluetooth connection to the wireless temperature and vacuum probes, together with the 4-hose charging set included in the kit, offers the ideal basis for carrying out everyday measuring tasks. The testo 558s offers intuitive operation thanks to its touchscreen and clear measurement graphs on a large colour display. In addition to the touchscreen, the manifold can also be operated via keys when working with gloves. Thanks to its A3 and A2L compatibility, high robustness with IP54 and hybrid charging system comprising rechargeable and non-rechargeable batteries, the manifold is ideal for every situation.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. The practical kit containing the testo&nbsp;558s digital manifold with Bluetooth connection to the wireless temperature and vacuum probes, together with the hose set included in the kit, offers the ideal basis for carrying out everyday measuring tasks. The testo&nbsp;558s offers intuitive operation thanks to its touchscreen and clear measurement graphs on a large colour display. In addition to the touchscreen, the manifold can also be operated via keys when working with gloves. Thanks to its A3 and A2L compatibility, high robustness with IP54 and hybrid charging system comprising rechargeable and non-rechargeable batteries, the manifold is ideal for every situation.

The testo 558s Ultimate Refrigeration Kit is the premier all-in-one solution for HVAC/R professionals, delivering a completely digital and wireless workflow for commissioning, servicing, and maintaining air conditioning and refrigeration systems. At the heart of the kit is the testo 558s Digital Manifold, featuring a user-friendly touchscreen display for intuitive control and on-the-spot analysis of pressures, superheat, and subcooling. The kit&#39;s other components, including the testo 115i Clamp Thermometers and the testo 552i Vacuum Probe, seamlessly connect to the manifold via Bluetooth, eliminating the need for cumbersome hoses and cables.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. The practical kit containing the testo 570s digital manifold with Bluetooth and 4-way valve block together with the wireless temperature and vacuum probes plus 4 x hoses is ideal for long-term and standard measurements. The intelligent error analysis in the testo Smart App ensures reliable diagnostics following a long-term measurement, eliminating the need for lengthy searches. And with the world&#39;s longest battery life of 360 hours, testo 570s is ideal for long-term measurements, but also for all kinds of short-term applications over the course of a working week. In addition, with a measuring accuracy of 0.25% fs, the manifolds offer maximum precision even at low pressure values.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. The practical kit containing the testo 570s digital manifold with Bluetooth and 4-way valve block together with the wireless temperature and vacuum probes is ideal for long-term and standard measurements. The intelligent error analysis in the testo Smart App ensures reliable diagnostics following a long-term measurement, eliminating the need for lengthy searches. And with the world&#39;s longest battery life of 360 hours, testo 570s is ideal for long-term measurements, but also for all kinds of short-term applications over the course of a working week. In addition, with a measuring accuracy of 0.25% fs, the manifolds offer maximum precision even at low pressure values.

The compact testo 605i temperature and humidity measuring instrument features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo Smart Probes App to reliably measure air temperature and humidity in rooms and ducts.

Carry out non-contact and App-controlled measurement of wall temperatures, as well as fuse and component temperatures in air conditioning systems: with the professional testo 805i infrared thermometer with 8-point laser circle for highly visible measuring spot marking.&nbsp;

The testo 860i Mould Kit combines the testo 860i Wireless Thermal Imaging Camera and testo 605i Thermohygrometer to provide a complete solution for detecting mould risks. Featuring high-resolution infrared imaging and smartphone connectivity via the Testo Smart App, it enables real-time analysis, seamless documentation, and on-site reporting. Ideal for HVAC, maintenance, and building inspections, this durable, IP54-rated kit ensures accurate measurements and compliance with Awaab&rsquo;s Law for proactive mould prevention.

<div>The testo Monobloc Heat Pump Testing Kit equips engineers with the essential tools for installing, servicing, and maintaining monobloc heat pumps. The kit includes the testo 770-3 clamp meter, designed for accurate electrical measurements, along with 2x testo 115i temperature clamp probes, ideal for use measuring flow and return temperatures. All instruments connect via Bluetooth to the testo Smart App, enabling real-time data monitoring and instant report generation. Housed in a rugged transport case, this kit ensures precision, efficiency, and portability for heat pump professionals.</div>

For heating engineers: The compact differential temperature/pressure kit contains three measuring instruments (2x testo 115i and 1x testo 510i) for carrying out your most important measuring tasks involving heating systems.&nbsp;
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<div>The testo Smart App enables you to work more easily and efficiently: Use the measurement menus for pressure drop test with alarm function or for non-contact IR temperature measurement with image documentation including measuring value and measurement spot marking. Measurement data reports can be emailed directly as a PDF or Excel file.</div>

Combined with a smartphone or tablet, the testo 115i clamp thermometer is the ideal temperature measuring instrument for carrying out servicing and troubleshooting on refrigeration, air conditioning and heating systems, as well as for installing them. It can also be used to measure flow and return temperatures.

<h2>The professional and compact testo&nbsp;549i high-pressure gauge can be controlled via the testo&nbsp;Smart 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.</h2>

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The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth, 2-way valve block and sturdy hook, two testo 115i wireless clamp thermometers (Bluetooth, NTC) and a robust transport case. For other wireless measurements, the optional Testo Smart Probes for temperature, humidity and vacuum are the perfect addition. You’ll be ideally equipped to carry out your measuring tasks on refrigeration and air conditioning systems and also heat pumps.

The kit for wireless measurements in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps: You will get the testo 550s smart digital manifold with Bluetooth and 2-way valve block, two testo 115i wireless clamp thermometers (Bluetooth, NTC) and a robust transport case. Additional Bluetooth probes, e.g. for wireless, hose-free vacuum measurements with the testo 552i, are available separately.

The kit for wireless measurements in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps: You will get the testo 550s smart digital manifold with Bluetooth and 2-way valve block, two testo 115i wireless clamp thermometers (Bluetooth, NTC), a set with 3 filling hoses and a robust transport case. Additional Bluetooth probes, e.g. for wireless, hose-free vacuum measurements with the testo 552i, are available separately.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. Thanks to the Bluetooth vacuum probe supplied, you can even measure vacuum without any cables or hoses. You will get the testo 557s smart digital manifold with Bluetooth and 4-way valve block, one testo 552i wireless vacuum probe (Bluetooth), two testo 115i wireless clamp thermometers (Bluetooth, NTC) and a robust transport case. For other wireless measurements, other optionally available testo Smart Probes are also ideal.

For completely wireless measurements on refrigeration and air conditioning systems and heat pumps. Thanks to the Bluetooth vacuum probe supplied, you can even measure vacuum without any cables or hoses. You will get the testo 557s smart digital manifold with Bluetooth and 4-way valve block, one testo 552i wireless vacuum probe (Bluetooth), two testo 115i wireless clamp thermometers (Bluetooth, NTC), a hose filling set with 4 hoses and a robust transport case. For other wireless measurements, the Testo Smart Probes are ideal.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Smart Vacuum Kit. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, and a&nbsp;testo 552i vacuum probe,&nbsp;giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Smart Vacuum Kit is built for every challenge.

Start your measurements on refrigeration and air conditioning systems and heat pumps straight away with the&nbsp;testo 558s Smart Vacuum Kit. This all-in-one solution includes the&nbsp;testo 558s digital manifold,&nbsp;2x testo 115i temperature clamps, and a&nbsp;testo 552i vacuum probe,&nbsp;giving you the ideal tools for precise and efficient servicing and maintenance. 
The&nbsp;testo 558s&nbsp;features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports&nbsp;Bluetooth connectivity&nbsp;to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With&nbsp;A3 and A2L refrigerant compatibility, an&nbsp;IP54-rated rugged design, and a&nbsp;hybrid power system&nbsp;using both rechargeable and non-rechargeable batteries, the&nbsp;testo 558s Smart Vacuum Kit&nbsp;is built for every challenge.

The compact testo&nbsp;605i temperature and humidity measuring instrument with bendable probe head features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo&nbsp;Smart App to reliably measure air temperature and humidity in rooms and ducts.

For refrigeration engineers: Compact kit containing testo&nbsp;549i high-pressure gauge and testo&nbsp;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&nbsp;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.

For refrigeration engineers: The kit contains two testo&nbsp;549i high-pressure gauges, two testo&nbsp;605i thermohygrometers and two testo&nbsp;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&nbsp;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.

Ultimate kit for all-round engineers in the field of heating, air conditioning, refrigeration and ventilation: The kit contains all the testo Smart Probes and is ideal for carrying out functional checks or for plant maintenance, in conjunction with your smartphone/tablet. The testo Smart App enables you to work more easily and efficiently: Automatically calculate numerous parameters such as superheating/subcooling, target superheat, cooling/heating power or differential temperature. Measurement data reports can be emailed directly as a PDF or Excel file.

For air-conditioning engineers: Compact kit containing four measuring instruments for your most important measuring tasks in, on and involving air conditioning systems. The testo&nbsp;Smart App enables you to work more easily and efficiently: Use intuitive measurement menus for volume flow measurement, for automatic calculation of the dew point and wet bulb temperature or for detecting areas susceptible to mould according to the traffic light principle. Measurement data reports can be emailed directly as a PDF or Excel file.

For heating engineers: Compact kit containing three measuring instruments for carrying out your most important measuring tasks involving heating systems. The testo&nbsp;Smart App enables you to work more easily and efficiently: Use the measurement menus for pressure drop test with alarm function or for non-contact IR temperature measurement with image documentation including measuring value and measurement spot marking. Measurement data reports can be emailed directly as a PDF or Excel file.

Early identification of mould risk: Used in conjunction with your smartphone/tablet, the testo&nbsp;Smart Probes mould kit is ideal for detecting areas susceptible to mould at an early stage. Use the testo&nbsp;Smart Probes testo&nbsp;605i and testo&nbsp;805i to measure ambient temperature, relative humidity and surface temperature. Thanks to the testo&nbsp;Smart App, you can work more easily and efficiently: Evaluate the results of the mould indication according to the traffic light principle (green, yellow, red), save measurement data as a PDF or Excel file at the touch of a button. Measurement data reports can be emailed directly - these contain photos of the affected areas for better illustration.

The testo Smart Probes HVAC kit offers everything for fast and flexible temperature measurement as well as differential pressure measurement: A wireless thermometer, an air probe, an immersion/penetration probe and a surface probe (all TC Type K, Class 1) are included with the testo 915i. The testo 510i is suitable for easy measurement of gas flow pressure and static pressure, as well as pressure drops on fans and filters.

The testo HVAC softcase protects your instruments and keeps them tidy. The soft foam insert with precise-fit compartments ensures that each measuring instrument has its own space. Thanks to the impact-resistant and flexible hard outer shell, the testo Smart Probes will still not get damaged, even if the case falls on the floor. The softcase is suitable for safe storage and handy transportation of testo 115i (2x), testo 405i, testo 410i, testo 510i, testo 549 (2x), testo 605i (2x), testo 805i and testo&nbsp;905i Smart Probes measuring instruments.

Robust on the outside, soft on the inside: the testo HVAC softcase with a hard outer shell and integrated foam insert with precise-fit compartments. You can safely store and transport all the testo Smart Probes measuring instruments there.

General technical data	Weight 744.2 g
	Dimensions 400 x 290 x 80 mm
	Product colour Black

testo HVAC softcase - storage case for testo Smart Probes measuring instruments

testo HVAC softcase - storage case for testo Smart Probes measuring instruments

General technical data

General technical data