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Hand-held Analyzer 2250 Light – User Manual
134
SAMPLING RATE AND PRE-RECORDING
The signal is buffered for the pre-recording of the
signal. This allows the beginning of events to be
recorded even if they are only detected later.
PLAYBACK (with Hardware Version 4 only)
Playback of signal recordings can be listened to using
the earphone/headphones connected to the
headphone socket
RECORDING FORMAT
The recording format is either 24-bit or 16-bit wave
files (extension .wav) attached to the data in the
project, easily played-back afterwards on a PC using
BZ-5503, Type 7820 or 7825. Calibration information is
stored in the wav file, allowing PULSE to analyse the
recordings
Functions with BZ-7130 and BZ-7131
Manual Control of Recording: Recording can be
manually started and stopped during a measurement
using a pushbutton or an external signal
Automatic Control of Recording: Start of recording
when measurement is started. Minimum and Maximum
recording time can be preset
Functions with BZ-7133
Manual Control of Recording (using Manual Event
or Back-erase pushbutton, or an external signal):
Recording during all of the event, or for preset
minimum and maximum duration. A Sound marker is
set while recording. Selectable pre- and post-recording
time
Manual Control of Recording (using touch screen):
Recording for the selected time period (subject to the
limitations of the pre-recording buffer). A Sound
marker is set for the selected time period
Automatic Control of Recording: Recording during
all of the event or for preset minimum and maximum
duration. Selectable pre- and post-recording time
Playback: Playback of signal recordings can be
listened to using earphone/headphones connected to
the headphone socket
Gain Adjustment: –60 dB to 60 dB
Software Specifications – Tone Assessment Option BZ-7231
LICENSE
Tone Assessment Option BZ-7231 is enabled with a
separate license and can be used with the 1/3-octave
and logging template (BZ-7132 and BZ-7133)
TONE ASSESSMENT
Tone assessment is based on the measured 1/3-
octave spectrum in accordance with either the interna-
tional ‘ISO 1996:2007 Acoustics – Description,
assessment and measurement of environmental noise
– part 2: Determination of environmental noise levels.
Annex D (informative) Objective method for assessing
the audibility of tones in noise – Simplified method’
SPECTRA ASSESSED
The displayed 1/3-octave spectrum (L
eq
)
may be assessed. Assessment is made as post-
processing, that is, when measurement is paused or
stopped
SETUP ACCORDING TO STANDARD
Setups in violation of the standard are indicated as
such on the display. You can then accept to apply the
default setup. Tone assessment will be made if
possible, in spite of standard violations. For tone
assessment according to ISO 1996-2, Annex D, you
can set the division between the Low and Middle
frequency range, the division between the Middle and
High frequency range, and the limits for the level differ-
ences between adjacent bands
RESULTS
Tones are indicated above the spectrum when Tone is
selected as spectrum parameter. The resulting
adjustment can be viewed on the Value panel. It is not
saved with the measurement
QUALITY INDICATORS
On the display, a quality indicator (smiley) will indicate
that a hint is available for tone assessment quality.
Click on the indicator to see the hint
Sampling
Rate
(kHz)
Maximum
Pre-recording (s)
16-bit
Maximum
Pre-recording (s)
24-bit
Memory
(KB/s)
16-bit
Memory
(KB/s)
24-bit
HW 1 – 3
HW G4 HW 1 – 3 HW G4
8100470 70 310 16 24
16 50 230 30 150 32 48
24 30 150 16 96 48 72
48 10 70 3 43 96 144
- Technical 1
- Documentation 1
- Hand-held Analyzer 3
- 2250 Light 3
- Safety Considerations 4
- Table of Contents 5
- APPENDIX A 7
- APPENDIX C 7
- Chapter 1 9
- 1.2.2 Beginners 10
- Chapter 2 11
- 2.2 Instrument Components 12
- CHAPTER 2 13
- 2.3 Analyzer Inputs/Outputs 14
- 2.3.2 Hardware Version 4: 15
- 2.4 Hardware Setup 19
- 2.5 Assembling 2250 Light 20
- Chapter 3 23
- 3.3 Making a Measurement 24
- 3.3.2 Switching On 25
- CHAPTER 3 27
- 3.4 Save your Measurement 29
- 3.6 Switching Off 31
- Chapter 4 33
- CHAPTER 4 35
- 4.2.6 Built-in Help 36
- The ‘Star’ navigation concept 38
- 4.4.2 The Display Screen 40
- Typical screen when 41
- Chapter 5 47
- 5.3 Standard Calibration 48
- 5.3.1 Calibration Settings 49
- 5.4 Calibration History 50
- 5.5 Transducer Database 51
- 5.6 Calibration Reminder 52
- CHAPTER 5 53
- ( ) 54
- Chapter 6 57
- 6.1.2 Navigating in Jobs 58
- 6.3 Recalling Measurements 59
- Example of annotations 60
- Chapter 7 61
- Connection overview 62
- 7.2.1 Connect to Your PC 63
- 2250 home page 64
- On-line display and 66
- Chapter 8 67
- 8.1.2 Power Settings 68
- CHAPTER 8 69
- Power Settings overview 69
- 8.1.3 Regional Settings 70
- 8.1.4 Storage Settings 71
- 8.1.5 Headphone Settings 72
- 8.1.6 Printer Settings 72
- 8.2 Modem/DynDNS Settings 73
- 8.2.3 DynDNS 75
- 8.3 Network Settings 76
- 8.4 Notifications 79
- 8.4.2 Text/SMS Notifications 80
- 8.5 Web Server 81
- 8.6.1 Weather Stations 82
- 8.6.2 GPS Receivers 83
- Chapter 9 87
- CHAPTER 9 89
- 9.3 Troubleshooting 90
- 9.3.4 Touch Screen 92
- 9.3.5 Reset Options 93
- 9.4.1 Accredited Calibration 96
- 9.4.2 Initial Calibration 96
- 9.4.3 Regular Recalibration 96
- 9.4.4 Filter Calibration 96
- 9.4.5 Service and Repair 96
- 9.4.7 Rental 97
- 9.4.8 Training 97
- 9.5.1 Handling the Instrument 97
- 9.5.2 Cleaning the Instrument 97
- 9.5.3 Storing the Instrument 98
- Chapter 10 99
- 10.3 Displaying the Results 100
- CHAPTER 10 101
- Displaying the results 101
- – spectrum screen 101
- Spectrum display 102
- Adjusting the X-axis 102
- Scaling the Y-axis on the 102
- Spectrum table 103
- 10.4 Saving Results 104
- Chapter 11 105
- CHAPTER 11 107
- 11.3 Displaying the Results 108
- 11.3.1 The Profile View 109
- Chapter 12 115
- 12.1.3 Playing the Recording 117
- 12.2 With Logging Software 118
- CHAPTER 12 119
- 12.2.4 Playing the Recording 121
- Chapter 13 125
- 13.3 Setting up the Analyzer 127
- 13.4 Measuring 130
- CHAPTER 13 131
- 13.6 Status Codes (Smileys) 132
- Chapter 14 135
- Microphone 136
- Interface 136
- Inputs/Outputs 136
- Environmental 137
- User Interface 137
- Analysis 138
- Measurement Status 139
- Calibration 139
- Signal Monitoring 139
- Aeq,T,mov 141
- Functions with BZ-7133 142
- CHAPTER 14 143
- Ordering Information 144
- Separately 144
- Compliance with Standards 145
- Appendix A 147
- A.2 Frequency Settings 148
- A.3 Statistics 149
- A.4 Measurement Control 150
- A.5 Logged Broadband 151
- A.6 Logged Broadband (100 ms) 153
- A.7 Logged Spectrum 153
- A.8 Markers 154
- A.9 Signal Recording 155
- A.10 Occupational Health 157
- A.11 Tone Assessment 159
- Appendix B 161
- B.1 Total Measurement 162
- APPENDIX B 163
- B.2 Logged Measurement 165
- General Parameters 168
- Table B.2 Statistics 169
- Appendix C 171
- C.2.2 Calibration History 173
- C.3 Calibration Setup 174
- Appendix D 175
- D.2 Power Settings 176
- D.3 Regional Settings 177
- D.4 Storage Settings 178
- D.5 Headphone Settings 178
- APPENDIX D 179
- D.6 Printer Settings 180
- D.7 Modem/DynDNS Settings 181
- D.8 Network Settings 182
- D.9 Notification Settings 184
- D.10 Remote Access Settings 186
- Appendix E 187
- APPENDIX E 189
- Numerics 197
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