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Manuals and User Guides for Norsonic nor118. We have
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Norsonic nor118 manual available for free PDF download: Instruction Manual
Norsonic nor118 Instruction Manual (116 pages)
REAL TIME ANALYSER
Brand:
Norsonic
| Category:
Measuring Instruments
| Size: 5 MB
Table of Contents
Table of Contents
6
Chapter 1 Introducing the Nor118
14
Introducing the Sound Level Meter Nor118
14
No External Modules
14
The Functions Available
15
The Main Features - an Overview
15
Real Time Frequency Analysis
16
Time Profile Measurements
17
Multispectral Measurements
19
Source Coding
19
Excellent for Noise Monitoring
20
The Principle of Optional Extensions
20
Check Which Extensions Are Installed
21
Chapter 2 Taking a Closer Look
22
Taking a Closer Look at the Instrument
22
Battery Voltage Vs. Time
23
Setting the Polarisation Voltage
23
Setting the Time and Date
24
Chapter 3 Calibrating the Instrument
26
Carrying out the Calibration
26
No Need to Adjust the Full Scale Setting
26
When to Calibrate
26
Chapter 4 Simple Sound Measurements
29
Statistics
30
C or Z as Spectral Weighting Network
31
Instruments with Multiple Time Constants
31
Instruments with Time Profile Installed
31
Multiple Time Constants and Statistics
31
Setting the Time Constant
31
Making a Measurement
32
Displaying the Functions Measured
33
E Back-Erase Feature
33
Resuming an Ended Measurement
33
Displaying the Result Tables
34
Statistics - Displaying the Percentiles
35
Displaying the Percentiles Table
36
Printing out the Results
36
Storing the Acquired Data
36
On the Use of Batteries
22
Setting the Duration
29
Chapter 5
37
Frequency Analysis
37
Setting up
37
Setting the Duration
37
Statistics
38
Instruments with Time Profile Installed
38
Consider Setting the Time Constant
38
Setting C or Z as Spectral Weighting Network
39
Activating the Frequency Mode
39
Switching to Displaying the Spectrum
40
Making a Frequency Analysis
40
Resuming an Ended Measurement
41
E Back-Erase Feature
41
If You've Measured for Less than Ten Seconds
41
Displaying the Functions Measured
41
No SPL after the Measurement
42
Displaying the Result Tables
42
Statistics - Displaying the Percentiles
42
Storing the Acquired Data
46
Printing out the Results
46
Chapter 6
47
Basic Time Profile Measurements
47
Global Vs. Profile
47
Making Measurements
50
Presenting the L(T) as a Table
51
Chapter 7 Enhanced Time Profile Measurements
52
Selecting Which Functions to Log
52
Copy the Setting to Prnt/Xfer
53
Setting the Resolution
53
Measuring in Enhanced Mode
55
Displaying the Functions Measured
55
Presenting the L(T) as a Table
55
Chapter 8 Adding Markers to a Measurement
56
E Keys to Use
57
Other Markers Inserted by the Instrument
57
P and S Markers Have Priority
57
Chapter 9 Multispectrum Measurements
58
Setting up for Multispectrum
58
Units Equipped with Basic Profile Extension
58
Units Equipped with Enhanced Profile Extension
58
Making Multispectrum Measurements
59
E Result Tables
61
Chapter 10 Reverberation Time Measurements
64
What Is Reverberation Time
64
Excitation Signals
64
How We Measure the Reverberation Time
65
Backward Integration
65
Least Square Fit
65
Minimum Reverberation Times Possible
66
Making Reverberation Measurements
67
Saving the Measurement
69
Recalling a Stored Measurement
69
Making Another Measurement
69
Leaving the Table Returning to Ready Mode
69
Chapter 11 About Sound Power Measurements
70
Rectangular Parallelepiped
71
Hemispherical Measurement Surface
71
Hemispherical Microphone Positions
72
Additional Microphone Positions
72
Parallelepiped Measurement Surface
74
Microphone Positions
74
Additional Microphone Positions
74
Reducing the Number of Positions
75
MIC. Positions - One Reflecting Plane
75
More than One Reflecting Plane
75
Chapter 12
77
Sound Power - Acoustic Environment Requirements
77
Specific Requirements
78
K Factor
78
Approximate Method
78
Using Reverberation Time Instead
79
Test Room Qualification Requirements
79
Chapter 13 Measuring the Sound Power
80
Making Measurements
80
Background Noise
80
Measurement Surface
83
Sound Power Results
83
Chapter 14 Memory Handling
84
Memory Structure
84
Memory Size
84
Storing a Measurement Setup
85
Storing a Measurement
85
Retrieving Stored Setups and Data
85
Clearing Files and Folders in the Memory
86
Clearing a Single File
86
Clearing Folders or the Entire Memory
87
Chapter 15 Making Hardcopies
88
Setting up for Printouts
88
Printing out Measured Data
89
Chapter 16 Noise Monitoring
90
Automated Storage of Measured Data
90
Available Storage Modes
90
Synchro - an Example
91
Setting the Storage Mode
92
Other Setup Aspects
92
Chapter 17 Transfer of Data to a
93
Chapter 18 Technical Specifications
94
Type of Instrument
94
Analogue Inputs
94
Microphone Input Socket
95
Highpass Filter
95
Analogue to Digital Conversion
95
Frequency Weightings
95
Level Detector
95
Time Weightings and Measured Functions
96
Level Distribution
96
Indication Range
96
Self-Noise Levels
96
Field Calibration
97
Measurement Duration and Resolution
97
Total Range for Measurement of A-Weighted Levels
97
Total Range for Measurement of C-Weighted Levels
97
Total Range for Measurement of Z-Weighted Levels
97
Measurement Range for C-Weighted Peak Levels
98
Power Supply
98
Display
98
Keyboard
98
Adjustment of Indicated Levels
98
Windscreen
99
High Levels
99
Preamplifier Attenuation
100
Self-Noise Compensation
101
Diffraction Around the Instrument Casing
101
General I/O Socket
101
Analogue Output
102
Serial I/O Port
102
Digital Inputs
102
Digital Outputs
102
Microphone Heating
102
Data Storage
102
Environmental Conditions
103
Warm-Up Time
103
Sensitivity for Vibration
103
Sensitivity for Magnetic Fields
103
Size and Weight
103
Information for Conformance Testing
104
Index
105
Appendix
106
Declaration of Conformity
113
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