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Instruction Manual PDF | Quick Start Guide PDF
Description
The Testo 550s Smart Kit is a professional industrial measurement system designed for efficient commissioning, routine servicing, and preventive maintenance of refrigeration units, air conditioning systems, and heat pumps. This kit includes the compact Testo 550s digital manifold with a robust 2-way valve block and two Testo 115i wireless clamp thermometers. It features a large graphic display for instant verification of parameters and supports advanced data logging through the Testo Smart App. The instrument is certified safe for operation with Class A3 and A2L flammable refrigerants and is protected by a heavy-duty IP54 field housing.
B2B Applications
- Thermodynamic Diagnostics: Wireless measurement of high- and low-pressure sides with automated calculation of superheating and subcooling via the app.
- Heat Pump Field Maintenance: Direct evaluation of temperature differentials on pipes using quick-connect surface probes without physical wiring constraints.
- Circuit Leak Verification: Conducting app-guided pressure drop tests over extended service periods to ensure absolute physical integrity of the circuit.
Technical Parameters
| Pressure Measuring Range | -1 to 60 bar |
| Pressure Measurement Accuracy | ±0.5 % fs |
| Temperature Measuring Range | -50 to +150 °C |
| Temperature Measurement Accuracy | ±0.5 °C |
| Housing Protection index | IP54 |
| Data Interface | Bluetooth (Signal Range up to 150 m) |
Package Contents
- Testo 550s digital manifold with 2-way valve block
- 2 x Testo 115i wireless clamp thermometers
- Heavy-duty transport case
- Factory calibration protocol