MANUFACTURER
The testo 552 is a high-precision digital vacuum gauge designed to provide you with absolutely reliable measurement results. It has all the measuring functions you need to carry out the evacuation of refrigeration systems/heat pumps.
Via Bluetooth, the testo 552 connects to the testo Smart App on your smartphone or tablet. This allows you to conveniently monitor the absolute pressure achieved during the evacuation process. In addition, measurement results can be quickly saved to the App and a report sent by e-mail.
Vacuuming is one of the most important steps when installing/restarting a refrigeration or air conditioning system: foreign gases, moisture and oil must be properly removed.
And that's exactly what the testo 552 digital vacuum pressure gauge does: it provides you with highly accurate information about the dehumidification status of your system and can reliably measure even the smallest pressures. And warning by light signal immediately when the measured value exceeds the threshold.
The digital vacuum gauge is protected to IP42 (waterproof and dustproof).
| ABSOLUTE PRESSURE | |
|---|---|
| Measuring range | 0 to 26.66 mbar / 0 to 20,000 microns |
| Accuracy | ±(10 micron + 10 % measured value) (100 to 1000 micron) |
| Resolution | 1 micron (0 to 1000 microns) / 10 micron (1000 to 2000 micron) / 100 microns (2000 to 5000 microns) / |
| Overvoltage | absolute: 6.0 bar / 87 psi (relative: 5.0 bar / 72 psi) |
| GENERAL TECHNICAL SPECIFICATIONS | |
|---|---|
| Weight | 500 g |
| Size | 160 x 110 x 50 mm |
| Operating temperature | -10 to +50 °C |
| Protection level | IP42 |
| System requirements | requires iOS 11.0 or later; requires Android 6.0 or later; requires mobile terminal with Bluetooth 4.0 |
| Product color | black/orange |
| Battery type | 2 AA |
| Battery life | 50 hours (without Bluetooth/backlight) |
| Connect | 2 x 7/16 “UNF |
| Connection interface | Bluetooth® 4.0 wireless technology |
| Unit | mbar; micrometer; mmHg; Torr; inHg; inH20; hPa; Pa |
| Measurement cycle | 0.5 seconds |
| Storage temperatures | -20 to +50 °C |
