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Svantek SV 36 User Manual

Acoustic calibrator
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USER MANUAL
SV 36
ACOUSTIC CALIBRATOR
Warsaw, 2018-09-04
Copyright © 2018 SVANTEK. All rights reserved.
Rev. 02

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  • Page 1 USER MANUAL SV 36 ACOUSTIC CALIBRATOR Warsaw, 2018-09-04 Copyright © 2018 SVANTEK. All rights reserved. Rev. 02...

  • Page 2: Table Of Contents

    SV 36 User Manual Contents Introduction ......................3 Acoustic calibrator SV 36 ..................5 2.1. General description ..................5 2.2. Using the calibrator..................6 2.2.1. Automatic calibration ................6 2.2.2. Button functions ..................7 2.2.3. Range diodes ..................7 2.3. Replacing the battery ..................8...

  • 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 36 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 36 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).

  • Page 5: Acoustic Calibrator Sv 36

    Datasheet). Picture 1. Acoustic calibrator SV 36 The SV 36 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.

  • Page 6: Using The Calibrator

    For this reason, usage of the SV 36 calibrator is as simple as putting it on the microphone, performing the calibration and taking it off the microphone.

  • Page 7: Button Functions

    94 dB to 114 dB or the other way round. Either when the SV 36 is 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 implemented in the case of inappropriate operation of the calibrator caused by external (EM radiation, subnormal atmospheric conditions, etc.) or internal (inappropriate system reset as...

  • Page 8: Replacing The Battery

    Picture 4. The top view of the SV 36 calibrator with one diode on The diodes blinking alternately indicate the low voltage of the battery. It is recommended to not use the SV 36 calibrator in this state as the generated level may differ from the declared values.
  • Page 9 SV 36 User Manual b) holding the cover unscrew four fixing screws with your fingers c) take off the cover and remove discharged batteries d) put new batteries in place of the discharged ones with polarization as indicated on the printed board and calibrator’s case...
  • Page 10 SV 36 User Manual g) put on the rubber cover...

  • Page 11: 36 Technical Specifications

    SV 36 User Manual 3. SV 36 TECHNICAL SPECIFICATIONS Output signal 94 dB and 114 dB, with respect to 20 Pa in reference Sound Pressure Level (SPL): conditions Output frequency 1000 Hz Accuracy: IEC 60942: 2003 standard, Class 1 0.3 dB SPL Accuracy: 0.2 %...
  • Page 12 SV 36 User Manual Environmental conditions influence (typical) 5·10 Temperature coefficient: dB/C 1·10 Pressure coefficient: dB/hPa 1.25·10 Humidity coefficient: dB/% Power supply Battery type: two LR03 (IEC)/AAA (ANSI) alkaline batteries Continuous operation time: 40 hours in 94 dB range and 30 hours in 114 dB range Standby mode: approx.

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