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Summary of Contents for Svantek SV 35A
- Page 1 USER MANUAL SV 35A ACOUSTIC CALIBRATOR Warsaw, March 2017 Copyright © 2017 SVANTEK. All rights reserved.
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Page 2: Table Of Contents
SV 35A User Manual Contents Introduction ......................3 Acoustic calibrator SV 35A ................... 3 2.1. General description ..................3 2.2. Use of the calibrator ..................5 2.2.1. Automatic calibration ................5 2.2.2. Button functions ..................5 2.2.3. Range diodes ..................6 2.3. -
Page 3: Introduction
Due to the feedback regulation loop the SV 35A calibrator does not require adjusting and operates in a wide range of temperatures and humidity (see SV 35A Datasheet). - Page 4 SV 35A User Manual The SV 35A is designed for calibration of sound level meters with ½” and ¼” microphones. Picture 2 shows the calibration of Class 1 sound level meter SVAN 971 with a ½” microphone. Picture 2. Calibration of the SVAN 971 sound level meter with a ½” measurement microphone Notice: For calibration of a meter with a ¼”...
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Page 5: Use Of The Calibrator
For this reason, usage of the SV 35A calibrator is as simple as putting it on the microphone, performing the calibration and taking it off the microphone. -
Page 6: Range Diodes
SV 35A User Manual Notice: Leaving the SA 30 reduction adapter in the chamber of the calibrator is equivalent with the state of the microphone being left inside. Hence, the calibrator will switch off automatically after 3-5 minutes from the moment the adapter is put inside the calibrator. - Page 7 Picture 4. The top view of the SV 35A calibrator with one diode on The diodes blinking alternately indicate the low voltage of the battery. It is recommended to not use the SV 35A calibrator in this state as the generated level may differ from the declared values.
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Page 8: Replacing The Battery
SV 35A User Manual 2.3. Replacing the battery The battery 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... -
Page 9: Sv 35A Technical Specifications
3. SV 35A Technical specifications Output signal 94 dB and 114 dB, with respect to 20 Pa in reference Sound Pressure Level (SPL):... - Page 10 SV 35A User Manual General data Effective load volume sensitivity: 0.00027 dB / mm Level stabilization time: typical 10 sec., max. 25 sec. Microphone dimensions: ½” and ¼” with reduction adapter SA 30 -25 C do + 70 C Storage temperature range:...
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