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Home
testo 550i Smart Kit

testo 550i Smart Kit - App-controlled digital manifold with wireless clamp temperature probes (NTC) (with sightglass)

0564 3550

testo 550i Smart Kit - App-controlled digital manifold with wireless clamp temperature probes (NTC) (with sightglass)

0564 3550

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

The smallest digital manifold on the market

Maximum reliability and excellent flexibility: extremely robust housing with protection class IP54, optionally expandable with the wireless testo Smart Probes for temperature, humidity and vacuum

High robustness with IP54 protection class and compatibility with A3 and A2L refrigerants

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.

testo 550i digital 2-way manifold including batteries (3 x AAA) and calibration protocol
2 x testo 115i wireless Bluetooth clamp thermometers
Transport case
testo Smart App (free download)
Instruction manuals

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

: 0564 2550

Convenient temperature measurement on refrigeration, air conditioning and heating systems – thanks to wireless connection to your smartphone or tablet

: 0560 2115 02

All in one: One app for all Bluetooth^®-enabled Testo measuring instruments for air conditioning/refrigeration systems and heat pumps

: 0501 5001

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

: 0564 2550 02

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

0564 2550

Pressure measurement

Measuring range	-1 to 60 bar
Accuracy	±0.5 % fs
Resolution	0.01 bar
Probe connection	3 x 7/16" – UNF
Overload rel. (high pressure)	65 bar

General technical data

Weight	595 g
Dimensions	77 x 109 x 63 mm
Operating temperature	-10 to +50 °C
Protection class	IP54
System requirements	requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Product colour	Black
Auto-off	10 min*
Battery life	130 h
Battery type	3 AAA micro batteries
Data transfer	Bluetooth®
Radio range	150 m
Refrigerants in instrument	R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
Refrigerants update via App	R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Refrigerant	A2L / A3 compatibel
Storage temperature	-20 to +60 °C
* when not connected via Bluetooth

Convenient temperature measurement on refrigeration, air conditioning and heating systems – thanks to wireless connection to your smartphone or tablet

0560 2115 02

Temperature - NTC

Measuring range	-40 to +150 °C
Accuracy	±1.3 °C (-20 to +85 °C)
Resolution	0.1 °C

General technical data

Weight	127.4 g
Dimensions	183 x 90 x 30 mm
Operating temperature	-20 to +50 °C
Product-/housing material	Plastic
System requirements	requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.0
Product colour	black/orange
Battery life	150 h
Battery type	3 AAA micro batteries
Data transfer	Bluetooth®
Radio range	100 m
Refrigerant	A2L / A3 compatibel
Storage temperature	-20 to +60 °C

All in one: One app for all Bluetooth^®-enabled Testo measuring instruments for air conditioning/refrigeration systems and heat pumps

0501 5001

General technical data

System requirements	requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.0

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

0564 2550 02

Pressure measurement

Measuring range	-1 to 60 bar
Accuracy	±0.5 % fs
Resolution	0.01 bar
Probe connection	3 x 7/16" – UNF
Overload rel. (high pressure)	65 bar

General technical data

Weight	595 g
Dimensions	77 x 109 x 63 mm
Operating temperature	-10 to +50 °C
Protection class	IP54
System requirements	requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Product colour	Black
Auto-off	10
Battery life	130 h
Battery type	3 AAA micro batteries
Data transfer	Bluetooth®
Radio range	150 m
Refrigerants in instrument	R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
Refrigerants update via App	R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Refrigerant	A2L / A3 compatibel
Storage temperature	-20 to +60 °C
* when not connected via Bluetooth

Humidity probes

Measurement of air humidity and temperature in rooms and ducts

:
0560 2605 02

Pressure probes

Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen

:
0564 2552

Temperature probes

Convenient temperature measurement on refrigeration, air conditioning and heating systems – thanks to wireless connection to your smartphone or tablet

:
0560 2115 02

Temperature probes

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

:
0563 4915

Temperature probes

Easy pipe attachment – Velcro strap fits pipe diameters up to 75 mm.

:
0613 4611

Sets

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

:
0564 3550

Sets

Non-contact temperature measurement, measurement of flow and return temperature as well as gas flow pressure

:
0563 0004 10

Sets

testo Smart Probes AC & Refrigeration Test Kit delivery

Application-specific measurement menus for superheating/subcooling

:
0563 0002 10

Sets

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

Application-specific measurement menus for superheating/subcooling, target superheat, heating/cooling power

:
0563 0002 41

Sets

For all measurements involving heating, air-conditioning, refrigeration and ventilation systems

:
0563 0002 32

Sets

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

:
0564 3550 02

Accessories

Automatic and precise refrigerant charging according to target superheat, subcooling and weight thanks to intelligent valve

:
0564 2560

Accessories

Wireless measurement of refrigerant weight and operation with Testo manifolds and testo Smart App via Bluetooth

:
0564 1560

Accessories

All in one: One app for all Bluetooth^®-enabled Testo measuring instruments for air conditioning/refrigeration systems and heat pumps

:
0501 5001

Accessories

PC software for the readout, analysis and archiving of customer and measurement data

:
0501 4000

Accessories

Strong magnet and sturdy strap

:
0564 1001

Accessories

Robust design for daily use

:
0516 2012

Accessories

1/4 Hose Set for Manifolds

:
0086 0063

Accessories

Compatible with all common refrigerants

:
0554 3111

Accessories

Compatible with all common refrigerants

:
0554 3112

Accessories

Compatible with all common refrigerants

:
0554 3113

Accessories

Compatible with all common refrigerants

:
0554 3114

Accessories

Practical storage case for Smart Probes testo 115i (2x) and testo 549i (2x) (available separately)

:
0516 0240

Accessories

Practical storage case for Smart Probes testo 115i, testo 510i, testo 805i, testo 410i and testo 549i (available separately)

:
0516 0270

Accessories

Practical storage case for all Smart Probes: testo 115i (2x), testo 405i, testo 410i, testo 510i, testo 549 (2x), testo 605i (2x), testo 805i and testo 905i

:
0516 0283

Accessories

Suitable for all Testo Digital Manifold

:
0173 0180

Accessories

Connect to service port to adjust system pressure

:
0192 1304

Accessories

Conects to main knob of digital manifold and act as a protective cover

:
0192 1306

Accessories

Conects to main knob of digital manifold and act as a protective cover

:
0192 1305

Accessories

Compatible with all Testo manifolds

:
0192 1382

Refrigeration systems, air conditioning systems, heat pumps

Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All the results can be read simultaneously on one display (in conjunction with the appropriate Testo Smart Probes)
Tightness test: Recording and analysis of the pressure curve
Automatic calculation of the target superheat (in conjunction with the testo Smart App and the appropriate Testo Smart Probes, e.g. testo 115i and testo 605i)
Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)

Data sheet testo 550i(pdf, 575.02 kB)
Data sheet testo 115i(pdf, 386.99 kB)
testo Smart Probes FAQ(pdf, 1.09 MB)
Information according to Reg. (EU) 2023/2854 (DataAct)(pdf, 140 kB)
Information according to Reg. (EU) 2023/2854 (DataAct)(pdf, 140 kB)
Data sheet testo 550i(pdf, 575.02 kB)

Declaration of Conformity testo 550i(pdf, 34.21 kB)
Technical information A2L refrigerant use with Testo products(pdf, 28.9 kB)
Instruction manual testo 550i(pdf, 1.6 MB)
Quickstart Guide testo 550i(pdf, 1.2 MB)
Technical Documentation A2L/A2/A3 refrigerant testo 550i(pdf, 40.5 kB)
UK Declaration of Conformity testo 115i(pdf, 60.4 kB)
Instruction manual testo Smart Probes(pdf, 1.72 MB)
Technical Documentation A2L/A2/A3 refrigerant testo 115i(pdf, 38.8 kB)
Quickstart testo 115i(pdf, 1.7 MB)
Declaration of Conformity testo 550i(pdf, 34.21 kB)
Instruction manual testo 550i(pdf, 1.6 MB)
Quickstart Guide testo 550i(pdf, 1.2 MB)
Technical Documentation A2L/A2/A3 refrigerant testo 550i(pdf, 40.5 kB)