Best Testo 550 2026

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Last Updated - 03.02.2026

Best Choice

01

song6

Testo 550 Power Probe Pressure Gauge for Cooling System Air Pressure Test Gauges HVAC Pressure Gauge with 2 Clamping Probes 0563 1550 Measuring Tool (Colour: Red)

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

- The pure copper probe of the needle base can easily drill holes and has a wide range of 5-32 V hard-to-reach areas.
- The function of holding the light can test different drive signals, which is more convenient and faster with two in one;
- Suitable for cars, trucks, boats, trailers, motorcycles and snowmobiles.
- It helps you make a wide range of multimeters, electronics and vehicles. They are designed for you to replace your bad digital multimeter probe.
- It can detect various line errors exactly under the situation without damaging the rubber cover.

727,17 €
02

Generic

Testo 550 Pressure Gauge for Cooling System Air Pressure Test Gauges HVAC Pressure Gauge with 2 Clamping Probes 0563 1550 (Colour: Blanco)

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

- The pure copper probe of the needle base can easily drill holes and has a wide range of 5-32 V hard-to-reach areas.
- The function of holding the light can test different drive signals, which is more convenient and faster with two in one;
- Suitable for cars, trucks, boats, trailers, motorcycles and snowmobiles.
- It helps you make a wide range of multimeters, electronics and vehicles. They are designed for you to replace your bad digital multimeter probe.
- It can detect various line errors exactly under the situation without damaging the rubber cover.

636,27 €
Value for Money

03

ICOSAR

ICOSAR Power Probe Testo 550 Pressure Gauge for Cooling System Air Pressure Test Gauges HVAC Pressure Gauge with 2 Clamping Probes 0563 1550 (Colour: White)

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

- The pure copper probe of the needle base can easily drill holes and has a wide range of 5-32 V hard-to-reach areas.
- The function of holding the light can test different drive signals, which is more convenient and faster with two in one;
- Suitable for cars, trucks, boats, trailers, motorcycles and snowmobiles.
- It helps you make a wide range of multimeters, electronics and vehicles. They are designed for you to replace your bad digital multimeter probe.
- It can detect various line errors exactly under the situation without damaging the rubber cover.

320,00 €
04

Pink Beryl

Testo 550 Refrigerant Pressure Gauge - A Set of Pressure Gauge with Power Probe and Two Pressure Probes

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The system is stable and is comfortably held thanks to strongly constructed plastic and flexible construction made of silicone.
The device has bioparty, double print and temperature tests, numerical displays, multi-cell switch, multiple functions and integrated cooling systems
Long life piston, standard 11/4, designed to ensure the sustainability and availability of the device.
It contains a 32-bioressed data processor with high data accuracy, high data volume and stable data acquisition.
Dimensions: liquid glass with backing. The data is easy to read, easy to read and very practical.

548,00 €
05

Testo

testo - 549i - 0560 2549 02 - High Pressure Meter with Smartphone Operation for Use in Refrigeration and Air Conditioning and Other Applications

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide range of applications: The Testo 549i is used in various industries, including refrigeration, air conditioning, heat exchange and industrial processes.
User-friendly operation: The app allows easy and intuitive operation of the device, display readings in real time and data storage for later analysis.
Smartphone Operation: The high pressure gauge can be connected wirelessly to your smartphone or tablet via Bluetooth. The Testo Smart Probes app allows you to control the device, display measurement data and perform extensive data analysis.
PRECISE HIGH PRESSURE MEASUREMENT: The Testo 549i enables accurate measurement of high pressure values in gas and refrigeration systems, which is crucial in refrigeration and air conditioning.
Measuring Range The gauge has a wide measuring range that is easy to adjust to the specific requirements of your application.

91,61 €
06

Pink Beryl

Testo 550 Diving Knife - One Spectromimeter with Spectrons and Two Chasses

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The system is stable and is comfortably held thanks to strongly constructed plastic and flexible construction made of silicone.
The device has bioparty, double print and temperature tests, numerical displays, multi-cell switch, multiple functions and integrated cooling systems
Long life piston, standard 11/4, designed to ensure the sustainability and availability of the device.
It contains a 32-bioressed data processor with high data accuracy, high data volume and stable data acquisition.
Dimensions: liquid glass with backing. The data is easy to read, easy to read and very practical.

548,00 €
07

DSYYNAY

DSYYNAY Testo 550 Pressure Gauge for Cooling, Pressure Gauge Set with Power Probe and 2 Clamping Probes

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The instrument uses high-strength engineering plastics and flexible non-slip silicone design, the whole machine is solid and comfortable to hold.
The instrument has double pressure test, dual temperature test, digital reading, multi-unit circuit, multi-mode function and built-in coolant database.
Large liquid crystal, LCD backlight, clear and easy to read data, easy to read, convenient.
Durable valve switch, 1/4" standard interface design to ensure the durability and versatility of the instrument.
Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability.

548,00 €
08

Testo

testo 860i Thermal Imaging Camera Set -20 to 350 °C 9 Hz

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18% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The operation of testo 860i, the display of the thermal image and the differential temperature as well as the documentation is done with the testo Smart App – simple, fast and smart
Razor-sharp thermal images thanks to high infrared resolution (256 x 192 pixels)
Quick and easy determination of DeltaT in thermal imaging thanks to application-specific measurement functions DeltaHeat and DeltaCool
In maintenance, the measuring function thermography quickly and easily shows hotspots and Delta T
Everything is easy in the testo smart app: easy to use and effortless documentation with on-site shipping

411,83 € 499,80 €(18% Off off)
09

BELEY

Beley Refrigeration Heating, Cooling and Air Conditioning Supplies, Digital Manifold System Set with Temperature Clamps for 89 Types of Refrigerants

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Super practical tool: The instrument can measure the double pressure at the same time and double temperature measurement. With automatic pressure conversion of multiple units, automatic conversion of Celsius / Fahrenheit temperatures to facilitate different needs.
Premium Design: Large LCD display, LCD backlight, data display clear and easy to read, convenient light operation. Durable valve switches, standard interface design of 1/4 inch to ensure the instrument durability and versatility.
Package included: Built-in: 89 types of refrigerant pressure evaporation temperature database, also to calculate hypothermia/super heat to facilitate direct reading of operating process data. It also tests the percentage of vacuum measurement, pressure leak measurement, leak time speed record. You deserve this multifunctional, accurate and easy to use digital meter to get your job done right.
High precision: The instrument is made of high-strength plastic and flexible, non-slip silicone. The whole device is solid and comfortable to hold. Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data processing and stability.
An absolute must have: The intelligent electronic coolant group instrument is an aid for the installation, testing and maintenance of cooling devices such as air conditioners, refrigerator and refrigeration storage. Heating Refrigeration and Air Conditioning System Gauge Kit with Dual Pressure Test, Dual Temperature Test, Digital Meter and Multiple Units.

149,55 €
10

BELEY

Beley Refrigeration Heating, Cooling and Air Conditioning Supplies, Digital Manifold System Set with Temperature Clamps for 89 Types of Refrigerants

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Super practical tool: The instrument can measure the double pressure at the same time and double temperature measurement. With automatic pressure conversion of multiple units, automatic conversion of Celsius / Fahrenheit temperatures to facilitate different needs.
Premium Design: Large LCD display, LCD backlight, data display clear and easy to read, convenient light operation. Durable valve switches, standard interface design of 1/4 inch to ensure the instrument durability and versatility.
Package included: Built-in: 89 types of refrigerant pressure evaporation temperature database, also to calculate hypothermia/super heat to facilitate direct reading of operating process data. It also tests the percentage of vacuum measurement, pressure leak measurement, leak time speed record. You deserve this multifunctional, accurate and easy to use digital meter to get your job done right.
High precision: The instrument is made of high-strength plastic and flexible, non-slip silicone. The whole device is solid and comfortable to hold. Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data processing and stability.
An absolute must have: The intelligent electronic coolant group instrument is an aid for the installation, testing and maintenance of cooling devices such as air conditioners, refrigerator and refrigeration storage. Heating Refrigeration and Air Conditioning System Gauge Kit with Dual Pressure Test, Dual Temperature Test, Digital Meter and Multiple Units.

95,00 €