User manual for Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2
- Manufacturer: Dorrough
- Basic description and contents of package
- Product classification: Pro Audio - General Accessories - Metering
- Safety instructions
- Startup and operation of the metering
- Tips for setting up your Dorrough
- Settings and expert assistance
- Contact Dorrough service
- Warranty information
- Price: 808 USD
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User manual for the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2
The user manual for the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2 provides
necessary instructions for the proper use of the product Pro Audio - General Accessories - Metering.
The Dorrough 280D2 Digital Double Scale Loudness Meter-39dB 32-96k is a two channel digital loudness meter in AES/EBU linear style, designed for insertion directly into the digital data-stream. It has a dual-channel horizontal linear display with 39dB headroom, and an external power supply.
If you own a Dorrough metering and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2 in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
Additional parameters of the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2:
| Input Impedance || 20k Ohm balanced, 10k Ohm single-ended, +/- 2% |
| Common Mode Rejection Ratio || 80 dB at 60 Hz, 60 dB at 20 kHz (balanced mode) |
| Input Sensitivity || -10 dB for full-scale display |
| Maximum Input Level || +24 dB before clipping |
| Signal Path Bandwidth || 10 Hz - 25 kHz, +/- .25 dB |
| Signal Path Distortion || Less than 1% THD at 1 kHz, +24 dB input |
| Sum Error || Less than 0.1 dB at 1 kHz |
| Difference Error || Less than 0.1 dB at 1 kHz |
| Display Resolution || 40 LEDs, 1 dB/LED except model 60D, +/- 0.25 dB. |
| Step Size Error || +/- 0.25 dB |
| Absolute Error || Full Scale -39 dBu: +/- 0.25 dB model |
| Drift || +/- 0.25 dB |
| Average Time Constant || 600 mS, +/- 6% |
| Peak Acquisition Period || 10 uS, to full-scale, sine input 25kHz |
| Peak Attack Period || Virtually Instantaneous |
| Peak Decay Period || 180 mS, from full-scale to all LEDs off |
| Display Update Rate || Approximately 10 mS |
| Display Duty Cycle || Display Time, AVERAGE, PEAK HOLD - 75%; Display Time, PEAK - 100% |
| Power Supply Input Range || 117/237 VAC RMS, -20% to +10%, 50-60 Hz |
| Calibration Controls || None needed |
| User Controls || Left/Right input sensitivity Option DIP Switch |
A) Peak Auto [ON]
B) Difference Mode [ON/OFF]
C) Over Level Alarm [ENABLE]
D) Under Level Alarm [ENABLE]
E) Auto ARMP
| User Port || DB-9 Connector |
A) Alarm relay closure contacts 1 form C, 1A, 30V AC or DC
B) Mode control switch (user supplied)
C) PEAK function switch (user supplied)
| Dimensions (WxDxH) || 5.0 x 7.0 x 1.5" (in.) (2.0 x 2.8 x 0.6cm) |
| Weight || Not Specified by Manufacturer |
| Package Weight || 0.3 lb |
| Box Dimensions (LxWxH) || 18.0 x 9.0 x 4.0" |
The user manual for the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2 can be downloaded in .pdf
format if it did not come with your new metering, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Dorrough users keep a unique electronic library
for Dorrough meterings,
where you can use our link to download the user manual for the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2.
The user manual lists all of the functions of the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2,
all the basic and advanced features and tells you how to use the metering.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Dorrough service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the Dorrough Digital Double Scale Loudness Meter-39dB 32-96k 280-D2. User manuals are also
available on the Dorrough website under Pro Audio - General Accessories - Metering.
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