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The SV 973A from Svantek is a Class 2 sound level meter with a wide frequency range up to 10 kHz. The unique feature of the SV 973A is the microphone in MEMS technology with a lifetime warranty. The meter’s measurement range from 25 to 128 dB enables its use in industrial and environmental noise measurements. For measurements of noise at work, the intelligent sound exposure meter function limits the frequency range to 10 kHz and shifts the dynamic measuring range of sound level meter to 141 dB Peak. The instrument is easily calibrated in the field using an acoustic calibrator as the calibration begins automatically when the microphone is inserted into the calibrator.
| Measurement Parameters | Dose, Ln, Leq |
|---|---|
| Weightings | A, C, Z |
| Application | Noise at Work |
| Noise Features | 1/3 Octaves, 1/1 Octaves, Data Logging |
| Brand | Svantek |
| Available Outside the UK? | No |
The SV 973A can measure broad-band results with all the necessary weighting filters as well as options for 1/1 octave or 1/3 octave band filters. The optional audio events recording function works together with sound level meter mode. The data is stored on built-in 8 GB memory and can be easily downloaded to a PC using the Supervisor or SVANPC++ software.
Please Note - This product is available for sale in the UK only from this site
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| Standards Class 2 | IEC 61672-1:2013 |
| Weighting Filters | A,B, C, Z, LF |
| Time Constants | Slow, Fast, Impulse |
| RMS Detector | Digital True RMS detector with Peak detection, resolution 0.1 dB |
| Microphone | ST973 MEMS Microphone in 1/2" housing |
| Calibration | Automatic calibration |
| Preamplifier | Integrated |
| Linear Operating Range | 32 dBA RMS ÷ 128 dBA Peak (in accordance to IEC 61672) |
| Internal Noise Level | less than 25dBA RMS |
| Total Dynamic Range | 25 dBA RMS ÷ 128 dBA Peak (typical from noise floor to the maximum level) |
| Frequency Range | 20 Hz ÷ 10 kHz |
| Meter Mode Results | Elapsed time, Lxy, Leqx (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN), LEx, Lden, LEPd, Ltm3, Ltm5, where x - weighting filter A/ B/ C/ Z; y - time constant Fast/ Slow/ Impulse EX (expected LEQ value), SD (standard LEQ deviation), OVL (overload time %) |
| Statistics | Ln (L1-L99), complete histogram in meter mode |
| Data Logger | Time-history logging of summary results, spectra with two adjustable logging steps down to 100 ms |
| Audio Recording | Audio events recording, trigger and continuous mode, 12 kHz sampling rate, wav format (option) |
| Voice Comments | Audio records on demand, created before or after measurement, added to measurement file |
| Sound Exposure Meter Results | Lxy, Leqx (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN), LEx, Lden, LEPd, Ltm3, Ltm5, Ln (Leq statistics), where x - weighting filter A/ C/ Z; y - time constant Fast/ Slow/ Impulse Lc-a, DOSE, D_8h, PrDOSE, LAV, LAE8 (SEL8), PLAE (PSEL), E, E_8h, PTC (peak counter), PTP (peak threshold), ULT (upper limit time), TWA, PrTWA, EX (expected LEQ value), SD (standard LEQ deviation), OVL (overload time %). |
| Sound Analyser 1/1 Octave Analysis | Real-time analysis meeting Type 1 requirements of IEC 61260, centre frequencies from 31.5 Hz to 8 kHz (option) |
| Sound Analyser 1/3 Octave Analysis | Real-time analysis meeting Type 1 requirements of IEC 61260, centre frequencies from 20 Hz to 10 kHz (option) |
| RT 60 | RT 60 reverberation time analysis in 1/1 or 1/3 octave bands (optional) |
| Memory | built in 8 GB memory |
| Display | Colour 96 x 96 pixels OLED type |
| Keyboard | 8 push buttons |
| Communication Interfaces | USB 2.0 , Bluetooth 4.2 |
| Power Supply | Four AAA alkaline or rechargeable NiMH batteries, operation time 20 h ÷ 38 h (depending on usage), USB interface 100 mA |
| Environmental Conditions | Temperature from -10 oC to 50 oC, Humidity up to 95 % RH, non-condensed |
| Physical Characteristics | Dimensions 205mm x 52mm x 20mm (including microphone) |
| Weight | Approx. 225 grams with batteries |
