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Product Datasheet PDF | Instruction Manual PDF
Description
The Testo 557s heat pump all-purpose kit is a comprehensive diagnostic configuration designed for commissioning, servicing, and optimizing heat pumps and refrigeration units. Anchored by the Testo 557s digital manifold with a 4-way valve block and Bluetooth control, this kit incorporates the Testo 560i digital refrigerant scale, an intelligent fluid valve, two wireless clamp temperature probes, and a wireless vacuum probe. It enables fully automatic refrigerant charging programs configured according to target superheat, subcooling, or total mass values via the Testo Smart App. Encased in an IP54-rated housing, this professional setup features high versatility and supports over 90 on-board refrigerants including A2L and A3 classes.
Industrial Applications
- Wireless evacuation, vacuum tracking, and precise automatic charging of commercial heat pumps
- Simultaneous high and low pressure side analysis alongside diagnostic documentation via smart devices
- Routine preventative maintenance and efficiency mapping for large industrial refrigeration systems
Technical Specifications
| Parameter | Value |
| Pressure Measuring Range | -1 to 60 bar |
| Pressure Accuracy | ±0.5 % fs |
| Temperature Measuring Range | -50 to +150 °C |
| Temperature Accuracy | ±0.5 °C |
| Enclosure Protection Class | IP54 (dust and splash-water proof) |
| Battery Operation Lifetime | Up to 250 h (without Bluetooth/illumination); 100 h (with Bluetooth/illumination) |
| Wireless Radio Range | Up to 150 m via Bluetooth protocol |
Package Contents
- Testo 557s digital manifold with 4-way block
- Testo 560i digital refrigerant scale
- Intelligent Bluetooth refrigerant valve
- 1x Testo 552i wireless vacuum probe
- 2x Testo 115i wireless clamp temperature probes
- Hose filling set (3x 7/16 inch UNF and 1x 5/8 inch UNF)
- Industrial transport case