testo 550i Compact refrigerant gas meter with 2-way valve block & bluetooth

From measuring to documenting – thanks to the app, you can carry out your daily maintenance and service tasks on your smartphone or tablet. The testo 550i digital refrigerant gas analyzer is equipped with Bluetooth, a 2-way valve block and a robust metal hook. In addition, it can be fully controlled via app and smartphone or tablet – allowing flexible, fast measurements and digital reporting.

testo 550i – Digital refrigerant gas meter controlled by app via Bluetooth connection

For quick, easy measurements on refrigeration and air conditioning systems and heat pumps (HVAC/R)

testo Smart App: Control your maintenance and service tasks entirely via smartphone or tablet, measurement results and documentation are compiled digitally. In particular, it is possible to quickly update the latest refrigerants via the app

Maximum reliability and convenient handling in harsh environments with extremely durable housing, protection class IP54

Maximum flexibility with wireless working: Bluetooth probes for temperature, pressure and humidity automatically connect to the measuring device via the testo smart app

Consistently high performance under all conditions: You can rely on this digital refrigeration pressure gauge from Testo

See instructions from experts now:

Pressure
Measuring range	-1 to 60 bar
Accuracy	±0.5 % fs
Resolution	0.01 bar
Connect the probe	3 x 7/16″ – UNF
Overload rel. (high pressure)	65 bars

General specifications
Weight	595 g
Size	77 x 109 x 63 mm
Operating temperature	-10 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
Auto shut off*	10 minutes*
Battery type	3 AAA micro batteries
Battery life	130 hours
Data transmission	Bluetooth®
Radio 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 temperature	-20 to +60 °C