SVAN 949
Sound & Vibration Data Analyser
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OVERVIEW
The SVAN 949 is all digital, Type 1 sound level and vibration meter and analyser. It is intended to general acoustic measurements, environmental noise monitoring, occupational health and safety monitoring. Three acoustic or vibration profiles can measure simultaneously with independently defined filters and RMS detector time constants (e.g. concurrent Impulse, Fast and Slow measurements are possible). All required weighting filters including the latest ISO 2631-1 standard are available with this instrument. RMQ detector enables direct measurement of the Vibration Dose Value.
Using computational power of its digital signal processor the SVAN 949 can perform real time 1/1 & 1/3 octave analysis including statistical calculations. The high resolution FFT option further extends the capabilities of this unit.
Fast USB 1.1 interface (12 MHz) creates real time link for the application of the SVAN 949 as a PC “front-end”. Measurement results can be stored in large 8 MB or 32 MB, non-volatile memory and easy downloaded to any PC using the USB interface and SvanPC software.
Thanks to robust, lightweight construction, the SVAN 949 can be used in hard environmental conditions
FEATURES
Sound Level Meter & Analyser
- Noise measurements with Type 1 accuracy
- Parallel Impulse, Fast and Slow detectors for the measurements with A, C or Lin (Z) filters
- Measurement range 24 dBA RMS - 140 dBA Peak in the SLM mode
- 1/1 and 1/3 octave real time analysis simultaneously with the SLM operation (optional)
- FFT spectra calculation (1920 lines in real time up to 22.4 kHz) simultaneously with the SLM operation (optional)
Vibration Meter & Analyser (Optional)
- Simultaneous Peak, RMS (incl. MTVV) and RMQ (incl. VDV) measurements
- 1/1 and 1/3 octave real time analysis (optional)
- FFT spectra calculation (1920 lines in real time up to 22.4 kHz) simultaneously with the Vibration Meter mode operation (optional)
General
- Internal buffer for logging more than 1 500 000 of 1 sec results (8 MB memory) or more then 7 000 000 of 1 sec results (32 MB memory)
- USB 1.1 interface
- Battery operational time up to 24 h (with alkaline batteries and in SLM mode) (> 24 h with external battery unit SA 17A)
- Handheld, robust case
- Light weight (only ca 600 grams)
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TECHNICAL SPECIFICATIONS
| Sound level meter | Type 1: IEC 651, IEC 804 and IEC 61672-1 |
| Leq,
Lmax, Lmin, LPeak, Spl, SEL, Lden, Ltm3, Ltm5, statistics: Ln (L1-L99), Time History for all A, C, Lin (Z) filters in parallel |
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| Vibration meter (optional) | Type 1: ISO 8041, RMS, Peak, Max (MTVV), Min, VDV (RMQ), Time History |
| Sound & Vibration Analyser (optional) | Real time 1/1 & 1/3 octave analysis with statistics for sound (spectra logging speed down to 2 ms) |
| 1920-line FFT spectra calculated in the real time for 22.4 kHz and sub-bands with Hanning window (optional) | |
| Input | TNC with IEPE power supply for the microphone preamplifier or accelerometer |
| Microphones | SV 22 prepolarised 1/2” condenser microphone (sensitivity 50 mV/Pa) with SV 12 preamplifier |
| Accelerometers (optional) | SV 3220B
(IEPE, 3.5 grams, 1 mV/ms-2) for the Hand-Arm measurements Other IEPE accelerometers available (including SV 39A/S seat accelerometer) |
| Measurement range | 24 dBA -
140 dBA Peak (with 50 mV/Pa microphone) or 0.1 ms-2 - 10000 ms-2 RMS (with 1 mV/ms-2 accelerometer) |
| Internal noise level | < 17 dBA |
| Dynamic range | 100 dB |
| A/D conversion: 20 bits | |
| Frequency range | 10 Hz - 20 kHz for sound and 1 Hz - 20 kHz for vibration, |
| Sampling rate: 48 kHz | |
| Weighting filters | A, C and
Lin (Z) (Type 1: IEC 651, IEC 804 and IEC 61672-1) and W-Bxy, W-Bz, W-Bc, H-A, Wk, Wc, Wd, Wj, Wh (ISO 8041 and ISO 2631-1) |
| 1/1 octave filters (optional) | 15 filters with centre frequencies 1 Hz - 16 kHz, Type 1- IEC 1260 |
| 1/3 octave filters (optional) | 45 filters with centre frequencies 0.8 Hz - 20 kHz, Type 1- IEC 1260 |
| RMS & RMQ detector | Digital
True RMS & RMQ with Peak detection, resolution 0.1 dB, Integration time programmable up to 24 h |
| Time constants | Slow,
Fast, Impulse in the SLM mode (any three simultanously) 100 ms to 10 s in the Vibration Meter mode |
| Display | LCD 97x32 pixels plus icons with backlight |
| Memory | 8 MB or 32 MB, non-volatile (Flash type) |
| External I/O | AC Output or External Trigger Input |
| Interfaces | USB 1.1 |
| Power supply | 4 x AA batteries: operating time up to 24 h (with alkaline batteries – operation mode dependent) |
| External power supply 6-24 VDC / 250 mA | |
| USB interface: 5V@150mA | |
| Environmental conditions | Temperature from -10 ˚C to 50 ˚C |
| Humidity up to 90% RH, non condensed | |
| Dimensions | 336 x 82 x 42 mm |
| Weight | approx. 0.5 kg with batteries |
PICTURE
SVAN 949 Analyser
Screen Shots
