Home » Products » Electronic pressure gauges for air conditioners, refrigeration systems and heat pumps, vacuum gauges » testo 550i – App-controlled digital manifold with Bluetooth and 2-way valve block
Order number: 0564 2550
testo 550i digital 2-way manifold including batteries (3 x AAA)
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From the measurement itself through to the documentation – thanks to the app, you can have your everyday servicing and maintenance work on your smartphone or tablet. The testo 550i digital manifold is equipped with Bluetooth, 2-way valve block and a sturdy hook, and can be fully controlled via app and smartphone or tablet – for flexible, fast measurements and digital documentation.
Pressure measurement
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Measuring range
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-1 to 60 bar
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Accuracy
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±0.5 % fs
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Resolution
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0.01 bar
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Probe connection
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3 x 7/16" – UNF
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Overload rel. (high pressure)
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65 bar
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General technical data
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Weight
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595 g
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Dimensions
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77 x 109 x 63 mm
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Operating temperature
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-10 to +50 °C
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Protection class
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IP54
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System requirements
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requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
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Auto-off
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10 minutes*
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Battery type
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3 AAA micro batteries
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Battery life
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130 h
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Data transfer
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Bluetooth®
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Radio range
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150 m
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Refrigerants in instrument
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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)
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Refrigerants update via App
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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
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Storage temperature
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-20 to +60 °C
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