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Data Sheet PDF | Instruction Manual PDF
Description
The Testo 550s heat pump entry-level kit is a complete instrumentation package designed for efficient installation, routine service, and preventive maintenance of heat pumps and refrigeration setups. The kit centers around the Testo 550s digital manifold, featuring a high-contrast graphic display and a robust 2-way valve block. For automated operation, the manifold supports wireless connectivity to the Testo 560i refrigerant scale and intelligent valve. The compact system supports advanced data logging and analysis via the Testo Smart App. Certified for use with Class A3 and A2L flammable refrigerants, it is housed in a ruggedized IP54 field enclosure.
B2B Applications
- Basic Heat Pump Maintenance: Wireless checking of low-pressure and high-pressure sides with real-time temperature differentials.
- Automated Refrigerant Charging: Execution of automated filling loops based on target superheat, subcooling, or precise refrigerant weight.
- Industrial Circuit Verification: Continuous data processing to run fast leakage tests and identify operational anomalies.
Technical Parameters
| Pressure Measuring Range | -1 to 60 bar |
| Pressure Accuracy | ±0.5 % fs |
| Temperature Measuring Range | -50 to +150 °C |
| Temperature Accuracy | ±0.5 °C |
| Protection Index | IP54 |
| Interface Configuration | Bluetooth (Range up to 150 m) |
Package Contents
- Testo 550s digital manifold with 2-way valve block
- 2 x Testo 115i wireless clamp thermometers
- 3-hose filling set 7/16" UNF
- Transport case and calibration protocol