Commtest Instruments vb Series User Manual

Section 10: Balancing Walk-through
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• Press to access the Trial Weight Reading Menu.
• Press to enter your own Trial weight mass. Use the
number keys to enter a value then press
to continue.
The Left Trial Reading Menu replaces the Trial Weight
Reading Menu for dual plane balancing.
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Commtest Instruments vb Series Specifications

General

Type	Vibration Analyzer
Storage Temperature	-20°C to 60°C
Channels	1 or 2
Data Storage	Internal memory and removable SD card
Display	Color LCD
Power	Rechargeable battery
Connectivity	USB
Battery Life	Up to 8 hours

Summary

Section 2: Basic Operation

Mounting Sensors

Provides instructions on correctly attaching accelerometers and other sensors for accurate measurements.

Tachometer Setup

Section 3: Onsite Analysis - Measurement Menu

Walk-through: Taking Measurements

A step-by-step guide on performing onsite measurements using the instrument's Measure Mode.

Fault Types and Phase Relationships

Section 4: Manual Setup Measurement Parameters

Setting Measurement Parameters

Guides users through manually configuring all parameters for taking measurements.

Setting Spectrum Parameters

Setting Waveform Parameters

Section 5: Recording Data

Walk-through: Taking Recordings

Section 6: Using Routes

Walk-through: Taking Recordings Using a Route

Section 8: Creating Machines

Section 9: Balancing Rotors

The Balancing Process

Outlines the sequential steps involved in performing a rotor balancing procedure.

Trial Readings (Single/Dual Plane)

Covers taking initial and trial weight readings to determine imbalance.

Balance Weight Calculations

Introduces tools for calculating appropriate balance weights.

Section 10: Balancing Walk-through

Trial Weight Reading

Details the process of attaching and measuring the effect of a trial weight.

Trim Balance

Covers performing final adjustments to achieve the desired balance level.

Section 12: Troubleshooting

Resetting the Instrument

Steps for resetting a non-responsive instrument.

Power Problems