Introduction 2-1
2
Chapter 2Introduction
2.1 Uson 628 Overview
The Uson 628 is a differential pressure decay tester that is easily configurable to
test a wide range of components using the Differential Pressure Decay method.
The tester uses the highly sensitive and reliable Uson differential pressure
transducer to measure leak rate within a test component.
For normal operation, the operator simply connects the component to the tester’s
test port and then presses Start. The Tester determines the leak rate within a test
component by pressurizing the component and measuring any pressure variation
between the component and a reference volume, using a differential pressure
transducer. A pass or reject result is indicated on the front panel LEDs and the leak
measurement is displayed on the front panel display.
The programs can be configured from the front panel using seven tactile keys,
making it simple to operate. The programs are stored, to enable tests to be selected
and run by an operator without knowledge of the programming procedure.
Features:
• Simple menus
• Differential pressure drop measurement
• Pressure or Vacuum versions available
• Manual or Electric Pressure Regulation.
• 30 programs
• Statistics can be displayed or printed
• Date and time facilities
• Program copy
• Data transfer by USB memory device
.
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