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Svantek | SV36

Calibreur acoustique - Classe 1 - homologué - 94 & 114dB, 1kHz - pour sonomètres et dosimètres avec microphone 1/2"

Svantek
Reference : SVASV36
Purchase Order Reference : SV 36
Brand : Svantek
Calibreur acoustique - Classe 1 - homologué - 94 & 114dB, 1kHz - pour sonomètres et dosimètres avec microphone 1/2"
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Details

SVANTEK SV 36

Class 1 Acoustic Calibrator

The SV 36 acoustic calibrator is a small, portable dual-range Class 1 device (sound source). Powered by two LR03/AAA batteries, it contains a loudspeaker producing acoustic pressure of defined level 94 db & 114 dB at frequency of 1 kHz.

Reference piezoresistive sensor for monitoring generated level, pressure and temperature sensors for measurements of atmospheric conditions and a microprocessor system controlling the operation of the calibrator. Sinusoidal waveform of 1 kHz frequency is digitally generated and feeds the loudspeaker. Sampled signal from the reference piezoresistive sensor indicates the level of currently generated signal in a feedback loop. On the basis of information about the level of the signal, actual values of pressure and temperature, microprocessor adjusts amplification of the loudspeaker signal in order to produce appropriate sound pressure level in the calibrator’s chamber.

Calibration Signal Parameters:
Sound Pressure Level (SPL) 114 dB or 94 dB
IEC 60942:2003 Accuracy Class 1
SPL Tolerance ± 0.3 dB
Frequency Tolerance ± 0.2
Total Harmonic Distortion (THD) < 0.50 % for 94 dB
< 0.75 % for 114 dB level
General Information:
Effective Load Volume Sensitivity 0.00027 dB / mm3
Level Stabilisation Time typically 15 s, max 30 s
Calibrated Microphones  1/2” and 1/4” with SA 30 adapter
Storage Temperature Range -25 °C ÷ +70 °C
CE Classification EN 61010-1: 2010
EN 61326-1:2006
EN 61326-1:2006
EN 60942:2003
Working Conditions:
Temperature Range from -10 °C to +50 °C
  (related SPL error ≤ ±0.15 dB)
Atmospheric Pressure Range from 65 kPa to 108 kPa
(related SPL error ≤ ±0.10 dB)
Humidity Range from 25 % to 90 % RH
(related SPL error ≤ ±0.05 dB)
Reference conditions:
Ambient Temperature 23 °C
Atmospheric Pressure 101.3 kPa
Humidity 30 % ÷ 80 % RH
Effective Microphone Load Volume 250 mm3 for microphone type B&K 4134
Power supply:
Battery Type 2 x LR03 (IEC) / AAA (ANSI) alkaline batteries
Continuous Operating Time 40 hours for 94 dB level,
30 hours for 114 dB level
Stand-by Period around two years
Minimal Voltage Requirements 2.1 V

The policy of Svantek company is to continually innovate and develop our products. Therefore, Svantek reserve the right to change the specifications without prior notice.

Product Details
132-Package includes
  • SV36,
  • 2 piles AAA,
  • étui
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