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Testo 558s Digital 4-Way Refrigeration Manifold with Touchscreen








Testo 558s Digital 4-Way Refrigeration Manifold with Touchscreen – 0564 5581

The Testo 558s is a professional 4-way digital refrigeration manifold designed for commissioning, servicing and fault-finding on air conditioning, refrigeration and heat pump systems.

Featuring a large colour touchscreen, physical keypad controls and Bluetooth connectivity, the 558s gives technicians fast access to pressure, temperature, superheat, subcooling, evacuation and system performance data directly from the manifold or through the Testo Smart App.

The manifold supports A2L and A3 refrigerants and includes more than 96 refrigerants stored in the instrument, making it suitable for modern systems using both traditional and low-GWP refrigerants. Frequently used refrigerants can also be saved as favourites for faster setup.

Key Features

  • 4-way digital refrigeration manifold

  • Large colour capacitive touchscreen

  • Physical keypad operation for use while wearing gloves

  • Suitable for A2L and A3 refrigerants

  • More than 96 refrigerants stored in the manifold

  • Measures pressure, temperature, superheat and subcooling

  • Supports evacuation, tightness testing, Delta T and refrigerant charging applications

  • Displays measurement trends for up to 30 minutes

  • Bluetooth connectivity to Testo wireless probes and the Testo Smart App

  • Up to 150 m Bluetooth range

  • Measurement reports can be exported through the Testo Smart App

  • IP54 protection for workshop and field use

  • Hybrid power system with rechargeable battery and replaceable AA batteries

  • USB-C charging

  • Free over-the-air firmware and refrigerant updates

Technical Specifications

SpecificationTesto 558s
Pressure Range-1 to 60 bar
Pressure Accuracy±0.25% full scale
Pressure Resolution0.01 bar
Temperature Range-50 to +150°C
Temperature Accuracy±0.5°C
Temperature Resolution0.1°C
Temperature Inputs2 × NTC
Refrigerant Connections3 × 7/16" UNF + 1 × 5/8" UNF
DisplayColour capacitive touchscreen
BluetoothBluetooth 5.0
Wireless RangeUp to 150 m
Protection RatingIP54
Operating Temperature-20 to +50°C
Battery LifeUp to 70 hours
Dimensions229 × 112.5 × 71 mm
Weight1.3 kg

Applications

Ideal for:

  • Air conditioning commissioning and servicing

  • Commercial refrigeration

  • Heat pump systems

  • Superheat and subcooling measurement

  • Refrigerant charging

  • Evacuation and vacuum monitoring

  • System tightness testing

  • Temperature differential measurements

  • Refrigeration system diagnostics and performance testing

What's Included

  • Testo 558s digital 4-way manifold

  • USB-C charging cable

  • Testo Smart App access

  • Calibration protocol

  • Instruction manual

Manufacturer Part Number: 0564 5581

Brand: Testo

Product Type: Digital Refrigeration Manifold

Terms and Conditions

All pricing excludes G.S.T

Internal Reference: 0564 5583