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Summary of Contents for Svantek SV 34B
- Page 1 USER MANUAL SV 34B ACOUSTIC CALIBRATOR Warsaw, 2019-03-20 Copyright © 2019 SVANTEK. Rev. 1.01 All rights reserved.
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Page 2: Table Of Contents
Contents Introduction ......................3 1.1. Calibration ..................... 3 1.2. Accuracy of calibration .................. 3 Acoustic calibrator SV 34B ................... 5 2.1. General description ..................5 2.2. Using the calibrator ..................6 2.2.1. Button functions ..................6 2.2.2. Indicators ....................7 2.3. -
Page 3: Introduction
The displayed value of the measured variable will therefore usually deviate from the true value of the measured variable. It is recommended to check the SV 34B every 2 years with periodic testing of the test equipment to ensure that the level values do not change, and the test results are reliable. - Page 4 SV 34B 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).
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Page 5: Acoustic Calibrator Sv 34B
2. ACOUSTIC CALIBRATOR SV 34B 2.1. General description The SV 34B acoustic calibrator is a small, portable one-range Class 2 device (sound source), see Picture 1. The SV 34B is suitable for calibration of Class 2 sound level meters and ½” microphones dosimeters with . -
Page 6: Using The Calibrator
ON and OFF. In this case the button pushing has immediate effect. When the SV 34B is either ON or OFF pressing the button over 10 seconds and releasing it will cause full reset of the system. Normally this function is not necessary. It has been... -
Page 7: Indicators
SV 34B User Manual 2.2.2. Indicators There are two LEDs to indicate the state of the SV 34B calibrator. One of them is titled “114 dB” and shows the condition of the generated level. After the calibrator is put on the microphone and switched on, acoustic pressure inside the calibrator’s chamber is automatically adjusted to the desired level. - Page 8 SV 34B User Manual 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 the printed board and calibrator’s case...
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Page 9: 34B Technical Specifications
SV 34B User Manual 3. SV 34B 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 0.5 dB SPL Accuracy: 0.02 %... - Page 10 SV 34B User Manual EMC properties • The configuration with the highest RF emission in the direction parallel to the axis of the calibrated microphone in the acoustic chamber • The lowest level of noise immunity is parallel to the axis of the calibrated microphone in the acoustic chamber.
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