Product Overview

The Testo 558s is a state-of-the-art digital manifold featuring an intuitive touchscreen and a robust 4-way valve block. Designed for comprehensive HVACR applications, it offers clear measurement graphs on a large colour display, enhancing operational efficiency.

This manifold ensures maximum safety with A3 and A2L refrigerant compatibility. Its IP54 protection class and hybrid charging system provide reliability and readiness for any job site, combining rechargeable and non-rechargeable battery options.

Key Features and Applications

What's Included

• testo 558s digital 4-way manifold
• USB-C cable
• testo Smart App (free download)
• Calibration protocol
• Instruction manual

Features & Benefits

• Intuitive app-like interface with touchscreen and large colour display for clear visualization.
• Wireless connectivity to the entire Testo refrigeration portfolio.
• Compatibility with A3 and A2L flammable refrigerants for enhanced safety.
• Trend curves of readings recorded over a 30-minute period (extendable to 72 hours).
• Flexible operation via touchscreen or physical keypad for use with gloves.
• Hybrid charging system (rechargeable battery and AA batteries) and robust IP54 protection.

Applications

• Superheating and subcooling calculations.
• Accurate tightness testing.
• Delta T measurements.
• Efficient evacuation and system filling processes.

Technical Details

Tradie Pro Tip: Always mark your most frequently used refrigerants as favourites in the Testo 558s for quick selection and increased efficiency on every job. This small step can save significant time.

The Testo 558s supports over 96 common refrigerants, including A3 and A2L types. Its accurate measurement results, with 0.25 full scale accuracy, simplify system analysis. Free over-the-air updates ensure your manifold is always up-to-date with new refrigerants and product connectivity.

Technical Specifications

Pair With

Pair with Temperature Probes, Charging Hoses, or Vacuum Pumps for a complete HVACR toolkit.

The Testo 558s provides intuitive, accurate, and robust measurement for all your refrigeration and air conditioning needs, streamlining your workflow and enhancing job site safety.