| Absolute Pressure - Accuracy | ±(1 ±10 micron + 10 % of mv (100 to 1000 micron) |
| Absolute Pressure - Measuring range | 0 to 26.66 mbar /0 to 20000 micron |
| Absolute Pressure - Overload | absolute: 6.0 bar / 87 psi(relative: 5.0 bar / 72 psi) |
| Absolute Pressure - Resolution | 100 micron (2000 to 5000 micron) /1 micron (0 to 1000 micron) /10 micron (1000 to 2000 micron) / |
| Auto-off | 10 min* |
| Auto-off instrument | 10 min |
| Battery life | 150 h |
| Battery type | 3 AAA micro batteries |
| Connection | 7/16" UNF |
| Data transfer | Bluetooth® |
| Description_1 | Intuitive app feel in your manifold with touchscreen and clear visualization of readings |
| Description_10 | 3 x hose charging set with valve 1/4" - 1/4" SAE (7/16" - 7/16" UNF) |
| Description_11 | 1 x Vacuum hose 3/8" SAE (5/8" UNF) |
| Description_12 | testo Smart App (free download) |
| Description_13 | Calibration protocol |
| Description_14 | Instruction manual |
| Description_2 | Everything in one instrument: All measurement applications in one manifold and wireless connection to the entire refrigeration portfolio |
| Description_3 | A3 and A2L compatibility for maximum safety |
| Description_4 | Trend curves of readings over a 30-minute period |
| Description_5 | Full flexibility thanks to unique operability via touchscreen classic operation via keypad and testo Smart App |
| Description_6 | Always ready for use with hybrid charging system consisting of non-rechargeable batteries and rechargeable battery (USB-C) and robust thanks to protection class IP54 |
| Description_7 | testo 558s digital 4-way manifold |
| Description_8 | 2 x testo 115i wireless clamp thermometers |
| Description_9 | 1 x testo 552i wireless vacuum probe |
| Dimensions | 183 x 90 x 30 mm |
| Display type | capacitive touch display |
| Interface | Bluetooth® 4.2 |
| MPN | 0564 5583 02 |
| Operating temperature | -20 to +50 °C |
| Pressure measurement - Accuracy | ±0.25 % fs |
| Pressure measurement - Measuring range | -1 to 60 bar |
| Pressure measurement - Overload rel. (high pressure) | 65 bar |
| Pressure measurement - Overload rel. (low pressure) | 65 bar |
| Pressure measurement - Probe connection | 3 x 7/16" UNF + 1 x 5/8 UNF |
| Pressure measurement - Resolution | 0.01 bar |
| Product colour | black/orange |
| Product-/housing material | Plastic |
| Protection class | IP54 |
| Radio range | 100 m |
| Refrigerant | A2L / A3 compatibel |
| Storage temperature | -20 to +60 °C |
| System requirements | requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.0 |
| Temperature - Accuracy | ±0.5 °C |
| Temperature - Measuring range | -50 to +150 °C |
| Temperature - NTC - Accuracy | ±1.3 °C (-20 to +85 °C) |
| Temperature - NTC - Measuring range | -40 to +150 °C |
| Temperature - NTC - Resolution | 0.1 °C |
| Temperature - Probe connection | 2 x Plug-in (NTC) |
| Temperature - Resolution | 0.1 °C |
| Title | testo 558s Smart Vacuum Kit with filling hoses - Smart digital manifold with wireless temperature vacuum probes and hoses. |
| Weight | 127.4 g |