SV 34A Class 2 Acoustic Calibrator generates reference signal of 114 dB at 1 kHz and is designed to calibrate Class 2 sound level meters and noise dosimeters with1/2 microphones. Unlike many others, the robust housing of the calibrator gives comfort of a secure grip to its users.
Similarly to other SVANTEK acoustic calibrators, the SV 34A does not require adjusting as it compensates automatically for the temperature and humidity changes. Thanks to the MEMS technology the calibrator presents the best price versus performance ration in a current noise market.
FEATURES
Calibration signal parameters: | |
| Sound Pressure Level (SPL) | 114 dB |
| Accuracy to IEC 60942:2003 | Class 2 |
| SPL accuracy | ± 0.5 dB |
| Frequency accuracy | ± 0.2 % |
| Total Harmonic Distortion (THD) | < 0.75 % |
General Information | |
| Effective load volume sensitivity | 0.00027 dB / mm3 0.00027 dB / mm3 |
| Level stabilisation time | typically 15 s, max 30 |
| Calibrated microphones | 1/2” |
| Storage temperature range | -25oC ÷ +70oC |
| CE classification | EN 61010-1: 2010 EN 61326-1:2006 EN 55022:2010 EN 60942:2003 |
Working Conditions | |
| Temperature range | from 0 °C to +40 °C (related SPL error ≤ ±0.2 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 oC |
| Atmospheric pressure | 101.3 kPa |
| Humidity | 30 % ÷ 80 % |
| 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 | 30 hours |
| Stand-by period | around two years (auto switch OFF) |
| Minimal voltage requirements | 2.1 V |
*Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice.