Chapter 2 – System Overview
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the exact differences between the three models, see Section 2.3
“System Specifications”.
2.2.1 Vibrex 2000 System Overview
The Vibrex 2000 unit is a hand-held, battery-powered vibration
analyzer. It is a vibration analysis and balancing tool that rapidly
and accurately acquires and analyzes aircraft vibration data. It
uses that data to calculate balance solutions and to analyze
aircraft vibration levels across a broad frequency range.
The Vibrex 2000 system provides accurate helicopter vibration
readings for chart calculations on main and tail rotors, shafts, and
blowers. As a spectrum analyzer, they provide the operator with
an overview of rotor and drive-train vibration. The Vibrex unit
uses cables and transducers (for example, the Honeywell Model
7310 Velocimeter, magnetic pickups, and photocells) from
previous generations of our equipment, further reducing the cost
of ownership.
2.2.1.1
System Operations
The Vibrex 2000, Vibrex 2000 Plus and Enhanced Vibrex 2000
Plus systems allow the user to do the following operations:
Propeller Balance Operations - Easy-to-understand menus let
the user initiate up to four different balancing jobs at one time.
The instrument can automatically correct for the propeller
response to weight changes, and the user can save this correction
for future balancing operations.
A “first round hit” solution means lower vibration solutions,
even on the first move. Two channels allow the user to measure
the propeller and rear of the engine during balancing. All
measurements, solutions, sensitivities, and annotation are saved
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