User guide for the testo 550i digital manifold, covering safety, setup, Bluetooth connectivity, measurement procedures, maintenance, and technical specs.
This manual provides step-by-step instructions for operating the testo 550i digital manifold, including battery insertion, Bluetooth setup with compatible probes, valve operation, and measurement protocols. It also details maintenance procedures such as cleaning, calibration, and vacuum probe care to ensure accurate readings and longevity. Safety precautions for refrigerant handling and mechanical stress are emphasized throughout.
| Battery Type | 3 x AAA/micro/R03 |
|---|---|
| Bluetooth Compatibility | testo Smart App with iOS 12.0+ or Android 6.0+ |
| Measuring Range | -1 to 60 bar (-14.7 to 870 psi) |
Use the testo Smart App on a compatible iOS or Android device with Bluetooth 4.0 to establish a connection.
Recalibration once every 12 months is recommended for optimal accuracy.