Testo 552i – Wireless Vacuum Probe

The Testo 552i is an advanced tool designed for use in refrigeration, air conditioning systems, and heat pumps. With modern Bluetooth technology, the device enables precise and fast measurements without using hoses, minimizing the risk of refrigerant loss.

Key Features:

• Wireless vacuum measurement – allows quick and accurate readings from a single service port.
• Mobile app – full control and visualization of results on a smartphone via a dedicated app.
• Automatic Bluetooth connectivity – compatible with the mobile app and electronic valve manifolds.
• Durable construction – a robust IP54-rated housing ensures reliability in harsh conditions.
• Easy installation – ergonomic design with a 45° angled probe allows convenient mounting on the service port.

Technical Specifications:

• Measurement range: 0 to 26.66 mbar / 0 to 20,000 microns
• Accuracy: ±10 microns + 10% of measured value (100 to 1000 microns)
• Resolution: 1 micron (0-1000 microns), 10 microns (1000-2000 microns), 100 microns (2000-5000 microns)
• Overload capacity: 6.0 bar (absolute) / 5.0 bar (relative)
• Operating temperature: -10 to +50°C
• Interface: Bluetooth 4.2
• Weight: 142 g
• Dimensions: 150 x 32 x 31 mm
• Battery type: 3 x AAA (operating time up to 39 hours)

Included in the Package:

• Wireless vacuum probe
• Batteries
• Calibration protocol

With its modern design and reliable technology, the Testo 552i ensures high precision measurements and maximum user convenience. It is an ideal solution for professionals working with refrigeration, air conditioning systems, and heat pumps.