TESTO 558s Smart Vacuum Electronic Valve Fixture

Testo 558s Smart Vacuum Kit - Bluetooth electronic valve luminaire with 4-way valve battery

Testo 558s is a state-of-the-art smart valve luminaire with Bluetooth connectivity and 4-way valve battery for refrigeration, air conditioning and heat pump systems. Combined with wireless temperature and vacuum probes and the Testo Smart App, it provides a complete mobile measurement laboratory for HVACR professionals. The device enables precise measurements, data logging, trend visualization and convenient documentation management. The touchscreen display provides intuitive operation, and the ability to also work with buttons works well in demanding conditions (e.g., wearing gloves).

Manufacturer No.: 0564 5582

What makes the Testo 558s different? Compared to earlier models (Testo 550, 557), the 558s offers a number of key improvements:

• Touchscreen + physical buttons - operation possible even with thick gloves.
• Bluetooth 5.0 - fast and stable communication with the Testo Smart App, vacuum pumps, scales and probes.
• Data logging for up to 72h - visualization of measurements on easy-to-read graphs.
• Support for A3 and A2L refrigerants - built-in database of 96 refrigerants, with the ability to mark favorites.
• High accuracy of measurements - ±0.25% for pressure and ±0.5°C for temperature.
• Hybrid power supply (rechargeable + battery) - greater flexibility in the field.
• Resistant to working conditions - protection grade

Product features:

• State-of-the-art capacitive touchscreen I
• Intuitive navigation and configuration via Testo Smart App
• Compatibility with A3/A2L factors
• Automatic OTA updates (new features, factors)
• Exportable reports from within the app
• Real-time measurement logging

Technical data:

• Temperature measurement: -50 to +150 °C, accuracy ±0.5 °C
• Pressure measurement: -1 to 60 bar, accuracy ±0.25% of full scale
• Resolution: 0.1 °C / 0.01 bar
• Power supply: LI 18650 battery + option 3x AA
• Battery life: up to 70 h (with backlight and Bluetooth)
• Bluetooth 5.0, range up to 150 m
• Dimensions: 229 x 112.5 x 71 mm
• Weight: 1.3 kg
• Protection class: IP54

Kit contents:

• Testo 558s electronic valve luminaire
• 2 x Testo 115i wireless clamp thermometer (SmartSonda)
• 1 x Testo 552i wireless vacuum probe
• USB-C cable
• Carrying case
• Factory calibration protocol
• User manual

Application: Testo 558s will prove useful in:

• Servicing refrigeration and air conditioning systems
• Working with heat pumps
• Commissioning VRF systems
• Diagnostics and testing: vacuum, filling, leak test, Delta T analysis, overheating and undercooling

Order now: Get unparalleled precision, working convenience and state-of-the-art solutions with Testo 558s. It is an indispensable tool for every HVACR specialist.