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Norsonic nor140 Manuals
Manuals and User Guides for Norsonic nor140. We have
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Norsonic nor140 manuals available for free PDF download: Instructional Manual, Manual
Norsonic nor140 Instructional Manual (220 pages)
Sound Analyzer
Brand:
Norsonic
| Category:
Measuring Instruments
| Size: 5 MB
Table of Contents
Table of Contents
5
Chapter 1 Introducing the Nor140 Sound Level Meter
19
Modular Design
19
The Functions Available
19
The MODE and SETUP Buttons
19
The Main Features - an Overview
20
Real Time Frequency Analysis
21
Time Profile Measurements
22
Multispectral Measurements
23
Source Coding
23
Excellent for Noise Monitoring
24
Recording the Sound
24
The Principle of Optional Extensions
24
Transducers
24
Check Which Extensions Are Installed
25
Workload
25
Global and Mode Dependent Parameters
19
Chapter 2 Taking a Closer Look at the Instrument
28
Switching ON/OFF
28
On the Use of Batteries
28
Low Voltage Situations
29
Marks on the Lower Line of the Display
31
The Input Menu
32
Selecting Language
32
Chapter 3 Calibrating the Instrument
34
When to Calibrate
34
No Need to Adjust the Full Scale Setting
34
Carrying out the Calibration
34
Chapter 4 Simple Sound Measurements
38
Setting the Duration
38
Statistics
39
Instruments with Time Profile Installed
40
Setting the Time Constant
40
Instruments with Multiple Time Constants
40
Multiple Time Constants and Statistics
40
C or Z as Spectral Weighting Network
40
Making a Measurement
41
Resuming an Ended Measurement
42
The Back-Erase Function
42
Displaying the Functions Measured
42
Displaying the Result Tables
43
Statistics - Displaying the Percentiles
44
Displaying the Percentiles Table
45
Storing the Acquired Data
45
Printing out the Results
45
User Defined Table
46
Chapter 5 Frequency Analysis
47
Setting the Measurement Duration
47
Statistics
48
Instruments with Time Profile Installed
48
Consider Setting the Time Constant
48
Setting C or Z as Spectral Weighting Network
48
Finding the Energy Level over a Part of the Frequency Range
49
Activating the Frequency Mode
49
Switching to Displaying the Spectrum
50
Making a Frequency Analysis
50
Resuming an Ended Measurement
51
The Back-Erase Function
51
Displaying the Functions Measured
52
No SPL after the Measurement
52
Displaying the Result Tables
52
NC, NR and RC Mark II Rating
56
Chapter 6 Basic Time Profile Measurements
58
Global Vs. Profile
58
Making Measurements
61
Presenting the L(T) as a Table
62
Chapter 7 Moving Leq
63
Chapter 8 Enhanced Time Profile Measurements
66
Selecting Which Functions to Log
66
Copy the Setting to Prnt/Xfer
67
Setting the Time Resolution
67
Measuring in Enhanced Mode
69
Displaying the Functions Measured
69
Presenting the L(T) as a Table
69
Chapter 9 Adding Markers to a Measurement
70
The Keys to Use
70
Other Markers Inserted by the Instrument
71
Instrument Markers Have Priority
71
Marker Overview
71
Chapter 10 Multispectrum Measurements
72
Setting up for Multispectrum
72
Instruments Equipped with Basic Profile Extension
72
Making Multispectrum Measurements
73
The Result Tables
75
Chapter 11 Engineering Units
78
Introduction
78
Selecting Engineering Units
78
How Values Are Indicated
78
Relation between Db and EU
79
Calibration
79
Chapter 12 Memory Handling
81
Memory Structure
81
Internal Memory Size
81
Select the Device for Storing
82
SD-Card Memory
82
Format
82
Storing a Measurement Setup
82
General
83
Global Parameters
83
Mode Dependent Parameters
84
Storing a Measurement
84
Retrieving Stored Setups and Data
84
Standard Set-Up
85
Clearing Files and Folders in the Memory
87
Clearing a Single File
87
Clearing Folders or the Entire Memory
87
Chapter 13 Automatic Storing of Data and Noise Monitoring
89
Automated Storage of Measured Data
89
Available Storage Modes
89
Synchro - an Example
90
Setting the Storage Mode
91
Chapter 14 Making Hardcopies
92
Setting up for Printouts
92
Printing out Measured Data
92
Chapter 15 Transfer of Data to a PC
94
Select USB or Serial
95
Norxfer Installation Procedure
95
Installation of USB Drivers for Nor140
96
Quick Reference Guide - Transfer and Convert a Measurement to Excel
98
Virtual Instrument - Nor1036 Installation Procedure
100
Using Virtual Instrument Nor1036
100
Chapter 16 Signal Input and Output
101
Signal Input
101
Iepe
101
Noise Output
102
Rpm
102
Signal Output
102
Chapter 17 Trigger
103
General
103
Setting the Trigger Condition
104
Manual Trigger
104
Clock Trigger
104
External Trigger
105
Level Above-Trigger
105
Chapter 18 Recording the Sound
107
Formats
107
Recording Gain
107
Recording Duration
108
Making a Recording
108
Setup for a Recording
109
Setup How to Start a Recording
109
Manual Trigger
109
External Trigger
109
Level Above-Trigger
110
Listening
110
Insert a Reference Tone as a Recording
111
Chapter 19 Reference Spectrum
112
General
112
Activating the Reference Spectrum Features
112
Selecting the Reference Spectra
112
Using a Previously Measured Spectrum
113
Entering a New Reference Spectrum Manually
113
Editing a Selected Reference Spectrum
114
A-Pre-Weighted Reference Spectrum
114
Go / Nogo" Quality Control Feature
114
Digital Output Lines
115
Chapter 20 Noise Generator
116
General
116
Selecting Noise Type and Level
116
Adjustments for Reverberation Measurement
117
Standard Set up
117
Equalization of Noise Spectrum
117
Chapter 21 Compensation and Correction
118
General
118
Use of Windscreen
118
Preamplifier Correction
119
Random Incidence and Diffuse Sound Fields
119
Measurement of Low Sound Levels
119
Measuring the Self-Noise
120
Measurement of High Sound Levels
120
Chapter 22 Reverberation Time Measurements
122
What Is Reverberation Time
122
Calculating the Reverberation Time
123
Measurement with Noise Excitation
123
Measurement with Impulse Excitation
124
Measurement with Swept Sine Excitation
125
Implementation in Nor140
126
Excitation Signals
127
Minimum Reverberation Time Possible
127
Maximum Reverberation Times
127
Measuring According to the Integrated Impulse Response Method
129
Measuring According to Interrupted Noise Method
131
Measuring According to Interrupted Noise Method with External Noise
133
Measuring According to the Swept Sine Method
134
Chapter 23 Sound Power
136
About Sound Power Measurements
136
Rectangular Parallelepiped
137
Hemispherical Measurement Surface
137
Hemispherical Microphone Positions
138
Additional Microphone Positions
138
Parallelepiped Measurement Surface
140
Microphone Positions
140
Additional Microphone Positions
140
Reducing the Number of Positions
141
MIC. Positions - One Reflecting Plane
141
More than One Reflecting Plane
141
Sound Power - Acoustic Environment Requirements
143
Specific Requirements
144
The K 2A
144
The K Factor
144
Approximate Method
144
Using Reverberation Time Instead
144
Test Room Qualification Requirements
145
Measuring the Sound Power
145
Making Measurements
145
Background Noise
148
Measurement Surface
148
Sound Power Results
149
Chapter 24 Building Acoustics
150
Introduction
150
Terms and Definitions for Airborne Sound Insulation
152
Terms and Definitions for Impact Sound Insulation
153
Survey and Engineering Methods
153
Airborne Sound Insulation
154
General
154
Noise Excitation
154
Measurement of Sound Level
154
Measurement of Reverberation Time
154
Calculating the Airborne Sound Insulation According to the Survey Method
155
Displaying of Results
155
Calculating the Airborne Sound Insulation According to the Engineering Method
157
Source Room Level
157
Receiving Room Level
158
Background Noise
158
Reverberation Time
159
Display of Results
160
Spectrum Adaptation Terms
161
Alternative National Standards
161
Store and Recall
162
Averaging Levels or Level-Differences
162
Corner Measurement for Small Rooms
163
Equalizing the Excitation Level
163
Impact Sound Insulation
164
Impact Excitation
164
Measurement of Sound Level
164
Reverberation Time
164
Calculating the Survey Result
164
Impact Sound Insulation According to the French National Standard
165
Calculating the Impact Sound Insulation According to the Engineering Method
166
Receiving Room Level
166
Background Noise
167
Reverberation Time
167
Display of Results
167
Alternative National Standards
168
Store and Recall
168
Averaging Levels from Multiple Tapping Machine Positions
168
Corner Measurement for Small Rooms
169
Partly Re-Use of Previous Measurements
169
Facade Insulation
169
General
169
Terms and Definitions
169
Noise Excitation
170
Measurement of Sound Level
171
Measurement of Reverberation Time
171
Calculating the Result
171
Service Equipment Sound Pressure Levels
171
Terms and Definitions for Service Equipment Measurements
172
Service Equipment Sound Pressure Levels - Survey Method
172
Corner Position Sound Pressure Level
172
Reverberant Position Sound Pressure Level
172
Reverberation Time
173
Display of Results
173
Service Equipment Sound Pressure Levels -Engineering Method
173
Corner Position Sound Pressure Level
173
Reverberant Position Sound Pressure Level
174
Reverberation Time
174
Display of Results
174
Remote Operation from a PC
176
Swept-Sine Measurement Technique
176
Swept-Sine Measurement of Sound Level
177
Swept-Sine Measurement of Reverberation Time
177
Chapter 25 Speech Intelligibility by STIPA
178
Introduction - What Is STIPA
178
Speech Transmission Index - STI
178
Development of STI
178
RASTI and STIPA
179
How Is STIPA Measured
180
Cis
181
Units Included in Delivery
181
Software Option for Nor140
181
Excitation File - a Zipped File
181
Excel Sheet
181
Measurement Overview
182
General Instrument Description
182
Selecting a Loudspeaker for the Excitation
183
Loudspeaker or Electrical Excitation
183
Performing a Measurement
184
Set-Up
184
Set the Speech Level
184
Select the STI-Mode
184
Making a Measurement
184
Store and Recall the Result
185
Correcting for Background and Occupancy Noise
186
Real Background Noise
187
Precision of the STIPA Method
187
Analysis and Interpretation of the Results
187
Limitations of the STIPA Method
187
Using Excel for Further Calculations
188
STI-Calc
188
Specifications
188
Chapter 26 FFT Measurement Mode
189
Introduction
189
How to Select the FFT-Mode
189
Making a Measurement
189
Calibration
190
Corrections
190
Storing the Result
191
Specification for FFT
191
Chapter 27 Measuring Vibration Using Nor140
192
Introduction
192
Accelerometer
192
IEPE-Type
193
Charge Type
194
Velocity and Displacement
195
Chapter 28 Audiometer Calibration
196
Chapter 29 Technical Specifications
197
Type of Instrument
197
Analogue Inputs
197
Microphone Input Socket
198
Highpass Filter
198
Analogue to Digital Conversion
198
Frequency Weightings
199
Weighting Networks
199
Filters
199
Level Detector
199
Time Weightings and Measured Functions
199
Level Distribution
200
Indication Range
200
Self-Noise Levels
200
Z-Wide Considerations
200
Measurement Duration and Resolution
201
Timing Accuracy
201
Measurement Range
202
Power Supply
202
Display
203
Keyboard
203
Adjustment of Indicated Levels
203
Windscreen
204
High Levels
204
Preamplifier Attenuation
205
Self-Noise Compensation
206
Diffraction Around the Instrument Casing
206
Signal Output
208
Serial I/O Port
208
Digital Inputs
208
Digital Outputs
208
Digital Output Control Lines
209
AC-Out
210
Rpm
210
USB Interface
210
SD-Card
210
Data Storage
210
Environmental Conditions
210
Warm-Up Time
211
Sensitivity for Vibration
211
Sensitivity for Magnetic Fields
211
Size and Weight
211
Information for Conformance Testing
211
Declaration of Conformity
219
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Norsonic nor140 Manual (19 pages)
Brand:
Norsonic
| Category:
Measuring Instruments
| Size: 0 MB
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