testo 550s
www.testo.com
Data sheet
Large graphic display shows all results at a glance
Simple wireless humidity, temperature, and vacuum
measurements via Bluetooth connectivity
Fast and easy pressure value display in analog look
Rugged housing with IP 54 for maximum
reliability in daily use
Refrigerant listing updates automatically using the App
Integrated calculation of the target superheat
Easy to Use
Digital manifold with Bluetooth
and 2-way valve block for
commissioning, servicing and
maintenance of refrigeration
systems and heat pumps
bar
psi
°C/°F
hPa
The testo 550s digital manifold with 2-way valve block
enables you to carry out your measurements on refrigeration,
air conditioning systems, and heat pumps fast. The large
display helps evaluate the results in graphic forms. Stored
programs guide you through measurements and enable the
automatic determination of numerous important system
parameters such as superheating/subcooling, target
superheat, cooling/heating capacity and many other areas.
Bluetooth probes for temperature, vacuum, and humidity can
be easily connected and offer maximum flexibility in their
application. In conjunction with the testo Smart App, you can
take care of digital documentation directly on site.
Its proven quality and great durability guarantee the
continuously high performance of your manifold in all
conditions.
micron
kPa
MPa
inch Hg
testo 550s
Digital manifold
Bluetooth 5.0
+ App
testo Smart App
for free download
testo 550s
testo 550s kits
testo 550s Basic Kit
Smart 2-valve digital
manifold with wired
cable temperature
probes
testo 550s Smart Kit
Smart 2-valve digital
manifold with wireless
temperature probes”
testo550s Smart Kit
with Vacuum
Smart 2-valve
digital manifold with
wireless vacuum and
temperature probes
testo550s Smart Kit
with hoses
Smart digital manifold
with wireless vacuum
and temperature
probes incl. hose set
(3 pcs.)
Order no. 0564 5501 01 0564 5502 01 0564 5504 01 0564 5505 01
Kit components
testo550s
Smart digital manifold
Calibration protocol
Clamp temperature probe kit
testo115i (Smart Probe)
Wireless clamp temperature probe
2 x 2 x 2 x
testo552i (Smart Probe)
Wireless vacuum probe
Hose filling set (3 hoses)
Instrument case
Technical data/accessories/kits
General technical data
Operating temperature 14 to 122 °F
Storage temperature -4 to 140 °F
Battery type 4 AA batteries
Battery life 250 hrs with no illumination, no Bluetooth
®
100 hrs with illumination and Bluetooth
®
Auto power off After 10 minutes when not connected via
Bluetooth
Dimensions 8.3 x 4.8 x 2.4 in
Weight 1.8 lbs
Protection class IP54
Bluetooth (BT Range) Bluetooth
®
5.0 (up to 500 ft)
Compatibility requires iOS 11.0 or newer/Android 6.0 or
newer
requires mobile terminal device with
Bluetooth
®
4.0
Warranty 2 Years
Sensor types
Pressure Temperature
Measuring range -14 to 870 psi
(-1 to 60 bar)
-58 to 302 °F
Accuracy
(at 71.6°F)
±0.5% fs ±0.9°F
Resolution 0.1 psi (0.01bar) 0.1°F
Probe connections 3 x 7/16" – UNF 2 x plug-in (NTC)
Overload 940 psi –
Measuring instrument accessories Order no.
Magnetic belt for digital manifolds for flexible use of the magnet or hook thanks to a simple exchange system, compatible with all
digital manifolds from Testo
0564 1001
Valve spare parts kit; exchange of 2 valve positioners with 4 valve positioner covers (red, blue and 2 x black), compatible with all digital
manifolds from Testo.
0554 5570