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Click to copyEasier, more flexible measurements and documentation: With the testo 550s digital manifold with Bluetooth and 2-way valve block, you‘ll be ideally equipped for your measuring tasks in the field of ...
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Easier, more flexible measurements and documentation: With the testo 550s digital manifold with Bluetooth and 2-way valve block, you‘ll be ideally equipped for your measuring tasks in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
Are you interested in this measuring instrument? Testo has put together practical kits for you – so you’ll be optimally equipped to tackle your measuring tasks right away.
Length
21 cm
Width
12.1 cm
Height
6 cm
Weight
0.826 kg
Weight
826 g
Dimensions
210 x 121 x 60 mm (LxWxH)
Operating temperature
-20 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
250 h with no illumination, no Bluetooth ® ; 100 h with illumination and Bluetooth ®
Battery type
4 x type AA 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
footnote_
* when not connected via Bluetooth
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
Measuring range
-50 to +150 °C
Accuracy
±0.5 °C
Resolution
0.1 °C
Probe connection
2 x plug-in (NTC)
Easier, more flexible measurements and documentation: With the testo 550s digital manifold with Bluetooth and 2-way valve block, you‘ll be ideally equipped for your measuring tasks in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
Are you interested in this measuring instrument? Testo has put together practical kits for you – so you’ll be optimally equipped to tackle your measuring tasks right away.