Digital Manifold 558s

testo 558s – The Digital Manifold with Touchscreen and Intuitive Operation

Experience an intuitive app-like feeling with the testo 558s. The touchscreen allows easy and clear visualization of measurement values, enabling you to work quickly and precisely.

Full Flexibility for Your Work

The testo 558s offers unique operation options: You can work flexibly and efficiently using the touchscreen, the proven button operation, or the testo Smart App.

Easily Track Measurement Trends

Monitor measurement trend curves over a 30-minute period and analyze data in real time.

All-in-One Device

All necessary applications combined in one manifold: Thanks to the wireless connection to testo Smart Probes, a current clamp, a vacuum pump, and a refrigerant scale, you are perfectly equipped for every task.

Compatibility for Maximum Safety

The testo 558s is compatible with both A3 and A2L refrigerants, ensuring maximum safety even when working with flammable refrigerants.

Always Ready for Use

The hybrid power system of batteries and rechargeable battery (USB-C) ensures that your testo 558s is always ready for use.

Technical Data:

• Operating Temperature: -20 ... +50 °C
• Storage Temperature: -20 ... +60 °C
• Battery Type: Permanently installed rechargeable battery (USB-C); Li battery 18650; Replaceable battery: 3 alkaline batteries AA
• Runtime: ≥70 h without illumination; ≥50 h with 50% illumination
• Auto Power Off: After 10 minutes, if not connected via Bluetooth®
• Dimensions: 229 x 112.5 x 71 mm
• Weight: 1.3 kg
• Protection Class: IP54
• Display: Capacitive touchscreen
• Bluetooth® Technology/Range: Bluetooth® 5.0 / 150 m
• Data Logging: Available as an optional upgrade via in-app purchase (72h data logging)

Sensor Types – Pressure

• Measurement Range: -1 ... 60 bar
• Accuracy (at 22 °C): ±0.25 % fs
• Resolution: 0.01 bar
• Probe Connections: 3 x 7/16" – UNF; 1 x 5/8" – UNF
• Overload: 65 bar

Sensor Types – Temperature

• Measurement Range: -50 ... +150 °C
• Accuracy (at 22 °C): ±0.5 °C
• Resolution: 0.1 °C
• Probe Connections: 2 x plug-in (NTC)