Related Manuals for Svantek Shawcity SV 33B
Summary of Contents for Svantek Shawcity SV 33B
- Page 1 USER MANUAL SV 33B ACOUSTIC CALIBRATOR Warsaw, 2019-03-20 Copyright © 2019 SVANTEK. Rev. 1.01 All rights reserved.
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Page 2: Table Of Contents
SV 33B User Manual Contents Introduction ......................3 1.1. Calibration ..................... 3 1.2. Accuracy of calibration .................. 3 Acoustic calibrator SV 33B ................... 5 2.1. General description ..................5 2.2. Using the calibrator ..................6 2.2.1. Button functions ..................6 2.2.2. -
Page 3: Introduction
It is important to carefully check who should perform such monitoring: - internally by the monitoring body, - SVANTEK's own calibration laboratory according to ILAC, - externally from PTB = Physikalisch-Technische Bundesanstalt or - another local accredited laboratory. - Page 4 SV 33B User Manual Type LS is subject to the strictest requirements of the device. Devices of this class are classified as the most precise. Each of the following types (LS, 1 and 2) allow a wider tolerance range (see Table 1). Table 1.
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Page 5: Acoustic Calibrator Sv 33B
SV 33B User Manual 2. ACOUSTIC CALIBRATOR SV 33B 2.1. General description The SV 33B acoustic calibrator is a small, portable one-range Class 1 device (sound source), see Picture 1. The SV 33B is suitable for calibration of Class 1 and Class 2 sound level meters ½”... -
Page 6: Using The Calibrator
SV 33B User Manual Picture 2. Calibration of the SVAN 971 sound level meter with a ½” measurement microphone Note: For calibration of a meter with a ¼” microphone the SA 30 reduction adapter must be applied. 2.2. Using the calibrator 2.2.1. -
Page 7: Indicators
SV 33B User Manual Table 2. Functional description of the calibrator’s button. Button press Function description Short, less than 10 sec. Turn the device on/off Long, over 10 sec. Full reset of the system 2.2.2. Indicators There are two LEDs to indicate the state of the SV 33B calibrator. One of them is titled “114 dB” and shows the condition of the generated level. -
Page 8: Replacing The Batteries
SV 33B User Manual 2.3. Replacing the batteries The batteries should be replaced as follows: a) remove the rubber cover on the button and diodes’ side b) holding the cover unscrew four fixing screws with your fingers c) take off the cover and remove discharged batteries d) put two new batteries in place of the discharged ones with polarization as indicated on... - Page 9 SV 33B User Manual g) put on the rubber cover...
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Page 10: 33B Technical Specifications
SV 33B User Manual 3. SV 33B TECHNICAL SPECIFICATIONS Output signal 114 dB, with respect to 20 Pa in reference conditions Sound Pressure Level (SPL): Output frequency 1000 Hz Accuracy: IEC 60942: 2003 standard, Class 1 0.3 dB SPL Accuracy: 0.2 % Frequency accuracy: Total Harmonic Distortion (THD) - Page 11 SV 33B User Manual Dimensions and weight Weight: 280 g with batteries Dimensions: 65 x 65 x 70 mm EMC properties • The configuration with the highest RF emission in the direction parallel to the axis of the calibrated microphone in the acoustic chamber •...
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