TESTO 550i - User Manual

testo 550i - digital manifold
Instruction manual

Summary

Getting Started: First Steps

Battery Installation and Power Operation

Guides on inserting batteries and switching the instrument on/off.

Bluetooth Connectivity and Probes

Using the testo 550 i

Measurement Preparation and Valve Operation

Measuring Modes and App Interface

Measurement Programs and Basic View

Table View and Refrigeration Application

Target Superheat Calculation

Pressure Leak Testing Procedure

Evacuation Process Guidance

Customer and Site Management

Instrument Settings

Language and Measurement Configuration

Maintenance Procedures

Calibration, Cleaning, and Connections

Technical Specifications

TESTO 550i Specifications

General

Product Type	Digital Manifold
Bluetooth Connectivity	Yes
Vacuum Measurement	Yes
Power Supply	Rechargeable Li-ion battery
Operating Temperature	-20 to +50 °C
Protection Class	IP54
Refrigerant Compatibility	R22, R134a, R404A, R407C, R410A, R507
App Compatibility	Testo Smart App
Temperature Measurement Range	-50 to +150 °C
Pressure Measurement Accuracy	±0.5 % of full scale
Temperature Measurement Accuracy	±0.5 °C
Measurement Parameters	Pressure, Temperature, Vacuum
Weight	Approx. 500 g
Pressure Measurement Range	-14.7 to 870 psi (-1 to 60 bar)
Storage Temperature	-4° to 140 °F (-20° to +60 °C)