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Home / Shop / Temperature and humidity measuring device / Substance concentration measuring device / Brix analyzer / testo 550s Digital refrigeration gas pressure gauge with 2-way valve & bluetooth
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testo 550s Digital refrigeration gas pressure gauge with 2-way valve & bluetooth

SKU: TESTO-0564-5500 Category:
  • All results appear at a glance thanks to the large graphic display
  • Particularly compact and reliable thanks to its durable housing and easy-to-grip design (protection class IP54)
  • Simple, wireless temperature and vacuum pressure measurement via Bluetooth connection ® automatic
  • More flexibility over your measurements and documentation with the testo Smart app

testo 550s digital refrigeration gas pressure gauge with Bluetooth and 2-way valve block with large graphic display, compact design, durable housing, measurement guide menu and testo Smart app. Top quality measurement technology with smart functions that enable quick and easy measurement and documentation make the testo 550s a reliable partner for commissioning, servicing and maintenance. refrigeration systems, air conditioners as well as heat pumps.

Easier, more flexible measurements and documentation: With the testo 550s digital refrigeration gas pressure gauge with Bluetooth and 2-way valve block, you will be ideally equipped for your measurement tasks in field of operation, maintenance and maintenance of refrigeration systems; air conditioners & heat pumps.

testo 550s – Smart digital refrigeration gas pressure gauge with Bluetooth and 2-way valve block

  • Fast measurement on refrigeration systems, air conditioners and heat pumps
  • Large graphic display for easy review & evaluation of measurement results
  • Stored measurement programs guide you through measurements and enable you to automatically determine key system parameters such as heating, pressure drop testing or vacuum extraction
  • Easy to handle, more flexible for your applications: Bluetooth probe for measuring temperature, pressure and humidity connects automatically to Testo refrigeration pressure gauge
  • testo Smart App: Digital document creation can be created right on the device screen, plus the device is also capable of updating the latest refrigerants quickly & easily
  • Continuous high performance in all conditions: You can have complete confidence in this digital meter from Testo

See instructions from experts now:


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♬ Dj Numb – Dj suwandi

Measuring range -50 to +150 °C
Accuracy ± 0.5 °C
Resolution 0.1 °C
Connect ability 2 x plug-ins (NTC)
Measuring range -1 to 60 bar
Accuracy ± 0.5 %fs
Resolution 0.01 bar
Connect ability 3 x 7/16" - UNF
Overload Rel. (high pressure) 65 bars
General specifications
Weight 826 gr
Size 210 x 121 x 60 mm (LxWxH)
Operating temperature -20 to +50 °C
Protection level IP54
System requirements Requires iOS 11.0 or later;

Requires Android 6.0 or higher;

requires mobile terminal with Bluetooth 4.0

Product color Black
Automatically turns off 10 minutes*
Battery type 4 x AA batteries
Battery life 250 hours without screen light, without Bluetooth® ; 100 hours with screen light and Bluetooth®
Data transmission Bluetooth®
Radio connection range 150 m
Refrigerant in the device R407H; R23; R290; R1234yf; R442A; R134a; R123; R452B; R438A;

R421A; R453a; R401B; R1233zd; R410A; R407A; R407C; R452A;

R401A; R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A;

R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32; R454A;

R124; R402A; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B;

R22; R434A; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)

Update refrigerant 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

Storage temperatures -20 to +60 °C

* When not connected via Bluetooth

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  • 63 Ho Ba Kien, Ward 15, District 10, Ho Chi Minh City, Vietnam.
  • +84 979761016
  • Tax code 0313928935
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