Real Time Acoustic Analyzer VT RTA-168C



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VT RTA-168C

PC based USB Real Time Acoustic Analyzer, Sound Level Meter, Distortion Analyzer, Polarity Tester ... Manual

VT RTA-168C US$309.95 Free Express Shipping

VT RTA-168C, a PC based USB Real Time Anayzer, Sound Level Meter, Distortion Analyzer, Acoustic Analyzer

Download and try the fully functional Multi-Instrument software using your sound card as the ADC and DAC device!

1. Package Contents
1) USB measurement microphone and its accessories (a windshield, a microphone clip and a small microphone stand)
2) USB cable (3 m)
3) CD (contains the copy-protected Multi-Instrument Software)
4) USB hardkey (contains a Multi-Instrument Standard License)
5) Audio Test WAV files (contains a list of audio test tones and noises) (download at AudioTestCD.zip or AudioTestCD.rar)
6) 1/8” TRS cable (1.8m)
7) Black Soft Pouch Case
8) Unique Sound Level Calibration Data (in CD)
9) Unique Microphone On-Axis and 90-degree Calibration Data (in CD)

     Unique Calibration Files Download:
                   Serial Number (7 digits xxxxxxx)


2. Specifications

Transducer Type	6mm electret condenser
Polar Pattern	Omni-directional
Frequency Range	20Hz ~ 20kHz (±1dB with the frequency response calibration file loaded)
Sampling Rate	48kHz
Bit Depth	24 Bits
Number of Input Channels	1
Frequency Accuracy	0.01%
Frequency Weighting	Flat, A, B, C, ITU-R 468
Time Weighting	Linear, Exponential (Equivalent Continuous Sound Level (Leq) fully complies with IEC61672)
Max. SPL (THD<1%, 1kHz)	133 dBSPL @ 0dB analog gain
Sound Level Measurement Range	35dB ~ 125dB (typical), adjustable through software gain slider. Recalibration is not required after the gain setting changes.
Sound Level Measurement Accuracy	± 0.3 dB at 94dB, 1kHz after calibration
Sound Level Calibration	Calibrated using Type 1 Sound Level Calibrator
Octave Analysis	1/1, 1/3, 1/6, 1/12, 1/24, 1/48, 1/96 (Complies with IEC61260)
Other Functions	THD, THD+N, SINAD, SNR, SMPTE IMD, DIN IMD, CCIF2 IMD, Frequency Response, etc. Much more functions are described in the software manual.
USB Audio	USB Audio Class 1.0 (no driver installation required)
Connector	Mini USB socket (Version 1), USB Type C socket (Version 2)
Case Material	Die cast aluminum
Weight	120 g
Dimensions	Φ21.0 × 181.0 mm
Power Supply	USB bus powered (5V)
System Requirements	Windows XP/VISTA/7/8/8.1/10/11, 32 bit or 64 bit. Minimum Screen Resolution: 1024 × 600
Calibration	Individually calibrated. Calibration files for on-axis and 90 degree included.

Typical Frequency Response

3. Some Applications
(1) Polarity Check for Speakers, Microphones and Amplifiers using Multi-Instrument

(2) Magnitude Frequency Response Measurement using Octave Analysis with Periodic Pink Noise Excitation (no averaging is required unlike the case of pink noise)

(3) Measurement of Reverberation and Its Related Acoustic Parameters using the Interrupted Noise Method (Note: Multi-Instrument Pro or above is required)

Reverberation Time RT60 Measurement using Interrupted Noise

(4) Measurement of Reverberation and Speech Intelligibility Parameters using the Integrated Impulse Response Method (Note: Multi-Instrument Pro or above is required)

Reverberation Time RT60 and Speech Transmission Index STI Measurement using Integrated Impulse Response

Reverberation and Speech Intelligibility Measurement using Integrated Impulse Response

(5) Discontinuity Measurement for Detection of Glitch, Digital Dropout, Speaker Rub and Buzz (Note: Multi-Instrument Pro or above is required)

Discontinuity Measurement for the Detection of Glitch, Digital Dropout, Speaker Rub and Buzz

(6) Sound Quality Measurement
dBSPL, Loudness, Loudness Level, Sharpness, Articulation Index and Open Articulation Index of a white noise in a Free Field (Note: Multi-Instrument Pro or above is required)

Sound Quality Measurement - Loudness, Loudness Level, Sharpness of White Noise in a Free Field