testo 550i – measuring set with sensor and case
App-controlled manometer stand with wireless sensors and case
- Everything from measurement to documentation, with the testo Smart app on your smartphone
- The smallest digital manometer stand on the market
- Maximum reliability thanks to an extremely robust instrument housing with protection class IP54
5 140
In stock
In stock
testo 550i - App-controlled digital manometer stand with wireless sensors and case
Measurement kit for app-controlled, wireless measurements and digital documentation on your smartphone. You get the app-controlled digital manometer stand testo 550i with Bluetooth, 2-way valve block and sturdy hook, two wireless tube temperature sensors type testo 115i (Bluetooth, NTC) and a sturdy transport bag. For more wireless measurements, there are testo SmartProbes sensors for temperature, humidity and vacuum (ordered separately). You are ideally equipped to perform your measurement tasks on chillers, air conditioning systems and heat pumps.
Included in delivery
- The digital manometer stand testo 550i with 2-way valve block incl.. 3 pcs. AAA batteries, factory protocol and user manual.
- Two testo 115i wireless pipe temperature sensors from the testo SmartProbes series
- A robust, form-fitting service case for the instrument
Fabriksprotokoll: utfärdas på fabriken efter en kontroll av att produkten fungerar och uppfyller angiven mätnoggrannhet. Läs om skillnaden mellan fabriksprotokoll och ackrediterad kalibrering.
| Sensor type | Pressure |
| Measurement range | -1 ... 60 bar |
| Accuracy (at 22°C) | ±0.5% of final value |
| Resolution | 0.01 bar |
| Overload | 65 bars |
| General technical data | |
| Operating temperature | -20 ... +50 °C |
| Storage temperature | -20 ... +60 °C |
| Battery type | 3 AAA batteries |
| Battery life | 130 hours |
| automatic shutdown | After 10 minutes (not connected via Bluetooth) |
| Size | 77 x 109 x 60 mm |
| Weight | 592g |
| Protection class | IP54 |
| Bluetooth technology/range | Bluetooth® 5.0/150 m |
| Compatibility | requires iOS 11.0 or later / Android 6.0 or later |
| requires mobile device with Bluetooth®4.0 | |
Wireless temperature probes
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testo 915i – wireless thermometer with wire sensor
1 165 SKU 0563 4915Wire sensors for hard-to-reach measurement sites
- -50 ... +400 °C
- For use with type K thermocouple sensors
- Temperature measurement in places that cannot be accessed with standard hard sensors
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testo 115i – wireless pipe temperature sensor
965 SKU 0560 2115 02For the installation, servicing and troubleshooting of heating and cooling systems
- Measuring range -40 ... +150 °C
- For pipe diameters of 6-35 mm
- Up to 100 meters Bluetooth range between sensor and smartphone
- Manage measurements with the testo Smart app
Wireless pressure probes
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testo 552i – wireless vacuum sensor
2 055 SKU 0564 2552App-controlled wireless vacuum sensor
- Identify vacuum quickly and easily using the graphical display in the testo Smart app or on the digital manometer stand display
- Automatically connects via Bluetooth® to the testo Smart app and to digital manometer stands
- Exceptionally compact and reliable thanks to the easy-to-handle, robust instrument housing with IP 54 protection
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Magnetic strap
615 SKU 0564 1001Magnetic strap for your digital manometer stand
- Strong magnet and robust strap
- For flexible use of hook or magnet
- Simple click system allowing for quick changes
- Can withstand 7 kg of traction
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Spare parts kit – valves
490 SKU 0554 5570The valves and knobs on your digital pressure gauge stands are subject to wear and tear. Use this spare parts kit to quickly get your equipment working optimally again. The parts can be easily replaced directly at the measurement site. The spare parts kit allows you to replace the two valves on the high and low pressure side or on the two center connections of the digital manometer rack. Order another kit if you need to replace all 4 valves. Included in delivery
- 2 valve knobs
- 2 couplings with threads
- 2 valve screws
- 2 spring locks
- 2 black valve wheel covers
- 1 red valve wheel cover
- 1 blue valve wheel cover
- 1 tube of threadlocker
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Practical instrument case
1 420 SKU 0516 2012Practical instrument case for the digital manometer stands testo 550i, 550s and 557s. The form fit ensures that your instrument stays securely in place, along with hoses and sensors.
Similar products
testo 550s – manometer stand with 2-way valve block
Smart digital manometer stand with Bluetooth and a 2-way valve block
- Overview of all results thanks to the large graphic display
- Exceptionally compact and reliable thanks to the easy-to-handle, robust instrument housing with IP 54 protection class.
- Simple, wireless and flexible measurement and documentation
testo 550i – app-controlled manometer stand with Bluetooth
The smallest digital pressure gauge stand on the market with Bluetooth
- Everything from measurement to documentation, with the testo Smart app on your smartphone
- Maximum reliability thanks to an extremely robust instrument housing with protection class IP54
- Can be optionally supplemented with testo SmartProbes sensors for temperature, humidity and vacuum.







