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ViRTé 3000+ Real-time Analyzer
You really can have it all. In order to perform the variety of measurements encountered by a noise and vibration specialist, numerous instruments were required. The Larson Davis model ViRTé 3000+ has transformed this mind-set. 
- Aircraft & Transportation Noise
- Industrial & Community Noise
- Acoustic Intensity
- Building & Room Acoustics
- Room Acoustics
- Modal Analysis
- Order Tracking
- Sound Power Determination
- Vibration Measurements
- Statistics
- Transient Capture
- Machinery Noise
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By utilizing the latest in digital signal processing (DSP), this small, lightweight instrument functions as both a precision sound level meter and a dual channel real-time frequency analyzer.
Incorporating true digital 1/1, 1/3 Octave or 100 to 800 line FFT filters, measuring applications are many. The inclusion of true Type 1 sound level meter functionality in two channels enables the user to take concurrent Fast, Slow, and Impulse sound pressure level measurements over a wide dynamic range while simultaneously gathering frequency data saving an enormous amount of user time but increasing validity of measured data.
The ViRTé 3000+ can be used in myriad applications and are upgradeable to incorporate the latest developments in measuring techniques providing the user with an up-to-date instrument at the forefront of leading edge technology.
FEATURES
- Dual channel frequency analyzer - 1/1 octave filters (1Hz to 14kHz), 1/3 octave filters (0.8Hz to 20kHz) or FFT, up to 800 lines (.01 Hz to 20kHz).
- Dual channel digital SLM - ANSI/IEC Type 1 accuracy
- Acoustic Intensity and Sound Power (optional)
- Transient Event Measurements
- Architectural Acoustics
- Structural Testing and Modal Analysis
- FDSA - Frequency Domain Synchronous Averaging
- MLS - Maximum Length Sequence (optional)
- Statistics (Ln's) for noise and vibration as a function of 1/3 octave band frequencies
- Large memory: 1 MB standard, expandable to 4M bytes
- Advanced Signal Generator - Pink and White Noise, and Swept Sine
- Large, back-lit display
- External 3 1/2" floppy disc drive (optional)
- RS-232 interface
- Direct printout of stored data
- Windows based software for setup, control and high speed data downloading
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| SPECIFICATIONS |
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| Measuring Range |
-10 to 172 dB SPL with proper transducer |
| Digitization |
16 bit A:D per channel |
| Anti-aliasing |
Oversampled delta-sigma conversion offers anti-aliasing stopband rejection > 96 dB |
| Detector |
Digital true RMS with 0.1 dB resolution |
| Dynamic Range |
> 80 dB (> 100 dB using WDR SLM) |
| Filters |
1/1 and 1/3 octave real-time digital filters meeting or exceeding ANSI S1.11-1986 Type 0-AA and Type 1-D, IEC225, IEC1260 Class 0 and Class 1. 100, 200, 400, and 800-line FFT analysis. |
| AC output |
5 volt full scale |
Display Character-
istics |
Internal flat panel supertwist LCD measuring 2.6 inches X 9.3 inches with a resolution of 128 X 489. |
| Power Supply |
| Internal |
Removable NiCd battery pack with an operating time of 4 hours. |
| Dimensions |
11.0" L x 7.8" W x 2.4" D |
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Operator's and training manual |
| PSA004 |
90-264 Vac power supply |
| CCS004 |
soft shell carrying case |
| CCS008 |
Conforming soft case |
| CCS007 |
Carrying case for ViRTé 3000+ and accessories |
| DVX003 |
External disk drive |
| PSA013 |
External NICd battery charger |
| 2226 |
Twelve channel external microphone multiplexer |
| PRM951 |
ICP® accelerometer preamplifier |
| ADP012 |
Direct input adapter |
| ADP006 |
BNC to ½ inch preamp adapter |
| ADP007 |
Microdot to ½ inch preamp adapter |
| 2260 |
Sound intensity probe |
| System Configuration Options included with 3000+ |
| 2900 OPT 80 |
Sound Intensity/Sound Power |
| 2900 OPT 81 |
Maximum Length Sequence (MLS) |
| 2800 OPT 11 |
Noise Generator; Sine, White, Pink |
| 2800 OPT 90-4 |
4 MB CMOS RAM |
| System Configuration Options available for 3000+ |
| 2800 OPT 225 |
Class Lines for classifying spectra |
| 2900 OPT 85 |
Vehicle Passby |
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