User Manuals: BRUEL & KJAER 3347 Vibration Measurement

User Manuals: BRUEL & KJAER 3347 Vibration Measurement

Manuals and User Guides for BRUEL & KJAER 3347 Vibration Measurement. We have 1 BRUEL & KJAER 3347 Vibration Measurement manual available for free PDF download: Instructions And Applications

BRUEL & KJAER 3347 Instructions And Applications

BRUEL & KJAER 3347 Instructions And Applications (120 pages)

Real Time Third Octave Analyzer

Brand: BRUEL & KJAER | Category: Measuring Instruments | Size: 34 MB

Table of Contents

Table of Contents
5
1 Introduction

9
2 Controls

13
3 Operation

25
- Preliminary Adjustments
  25
- Calibration for Sound Measurements
  26
  - Using Pistonphone or Sound Level Calibrator
    26
  - Using the Built-In Reference Voltage
    28
- Measurement of Sound
  29
- Calibration for Vibration Measurements
  31
  - Using Accelerometer Calibrator 4291
    31
  - Using the Built-In Reference Voltage
    32
- Measurement of Vibration
  33
- Calibration for Voltage Measurements
  34
- Voltage Measurements
  34
  - Input Voltages up to 300 Volts RMS
    34
  - Input Voltages from 300 to 1000 Volts RMS
    35
- Insert Voltage Calibration
  35
  - Using Internal Reference Voltage
    36
  - Using External Generator
    37
- Use of the Type 2130 Alone
  38
  - As a Conventional Frequency Analyzer
    38
  - As a Parallel Analyzer
    38
- Description
  39
- Frequency Analyzer Type 2130
  39
  - Input Circuit and First Amplifier
    40
  - Reference Oscillator
    41
  - Input Overload Indicator
    41
  - Filters and Weighting Networks
    42
    
    Third Octave Filters
    42
    
    Frequency Weighting Networks
    44
  - RMS Detection and Averaging
    45
    
    Time Constant
    47
    
    Averaging Time and Stat~Stical Errors
    50
    
    Ripple from Third Octave Detectors
    51
    
    Ripple from Broad Band Detectors
    53
  - Storage
    53
  - FET Gate
    54
  - Output Amplifier and Meter Circuit
    54
    
    Output Amplifiers and Attenuator
    55
    
    Meter Function Switch
    56
- Control and Display Unit Type 4710
  57
  - Computer and Analogue to Digital Converter
    58
  - Logic Control
    58
  - Digital Output
    59
  - Nixie Tube Display
    59
  - Interface with Computer
    60
5 Analogue Readout

61
- General
  61
- Level Recorder- Multiplexer Output
  61
- Level Recorder- Selected Filter Output
  65
  - AC Recording
    65
  - DC Recording
    66
- X- y Recording
  67
- Remote Control of Analogue Readout
  69
  - Readout Start
    69
  - Auto Store
    69
  - Channel Switching
    69

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