testo 557s Heat Pump Kit – Smart digital installation aid with 4-way valve block – out of stock, replaced by 0564 3558

testo 557s – Smart digital technician’s tool with 4-way valve block

The testo 557s is the ideal tool for professionals in the refrigeration, air-conditioning and ventilation sectors, as well as in the field of heat pumps. With its smart technology and versatile functions, it supports the efficient monitoring and control of refrigeration and air-conditioning systems.

Technical details:

• Display: New dot matrix display with simple 4-button operation
• Connectivity: Bluetooth 5.0 for wireless data transfer
• Protection class: Dust and splash-proof to IP Class 54
• Compatibility: With testo Smart Probes and the testo Smart App
• Temperature range: -20 to +50 °C (operating temperature), -20 to +60 °C (storage temperature)
• Dimensions: 210 x 121 x 60 mm
• Pressure sensor:
  • Measuring range: -1 to 60 bar
  • Accuracy: ±0.5 % fs (±1 digit)
  • Resolution: 0.01 bar / 0.1 psi
• Temperature sensor:
  • Measuring range: -50 to +150 °C
  • Accuracy: ±0.5 °C
  • Resolution: 0.1 °C
• A3-compliant: Suitable for use with Group A3 flammable refrigerants in accordance with safety regulations

Advantages and benefits:

The testo 557s offers precise measurements and user-friendly operation. Thanks to Bluetooth connectivity, data can be transferred quickly and easily. Compatibility with testo Smart Probes and the Smart App enables efficient data evaluation and analysis. With its robust housing and IP 54 rating, the testo 557s is ideally suited for use in demanding environments.

Key selling points include ease of use, high measurement accuracy and versatility across various industries. The testo 557s is an indispensable tool for professionals who rely on reliable and precise measurements.