Sustainable Construction
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Noise Dosimeter [SV 104]
SV 104 Noise Dosimeter brings incredible functionality into a compact style instrument. The SV 104 instrument is a revolutionary new approach to occupational health and safety noise monitoring offering voice comments and audio events recording functions which are a new concept in an instrument of this size. The measurement data is safely stored in the large 8 GB memory and the amazing OLED screen displays information in both text and graphical form and offers excellent visibility even in full daylight.
This personal dosimeter has a robust 1/2 MEMS microphone enabling easy calibration using most commonly available acoustic calibrators. The SV 104 is a cable-free dosimeter and is typically attached to the user’s shoulder, close to the ear using the mounting clips supplied. The instrument works with Svantek’s specialist health and safety software package, “Supervisor” and is powered using built-in rechargeable batteries or through the USB interface which also enables easy connection between the SV 104 and a PC.
Specifications
| Standards | IEC 61252; ANSI S1.25-1991; Class 2: IEC 61672:2002 |
| Weighting filters | A, C and Z |
| Time constants | Slow, Fast, Impulse |
| Exchange rates | 2, 3, 4, 5, 6 |
| Measurement results | Lavg/Leq, SPL, Max, Min, SEL, SEL8, PSEL, LEPd, Dose (%), TWA, E, E_8h, Peak, Run Time, Upper Limit, Time (ULT), L(C-A), Projected Dose (D_8h) |
| Measurement profiles | 3 |
| Measurement range | 55 dBA RMS - 140.1 dBA Peak |
| Frequency range | 30 Hz - 8 kHz |
| Dynamic range | 95 dB |
| Data logging | Summary results for the measurement time Time-history logging of Leq/Max/Min/Peak with 1s logger step |
| Voice comments | Audio records on demand, created before or after measurement, added to measurement file |
| Audio recording | Audio events recording, trigger and continuous mode, 12 or 24 kHz sampling rate, wav format (option) |
| 1/1 octave | Real-time analysis in octave band filters, Class 1, IEC 61260 9 filters with centre frequencies from 31.5 Hz to 8 kHz (option) |
| Display | 128 x 64 pixels OLED |
| Memory | 8 GB |
| Power supply | Ni-MH rechargeable cells: operation time > 40 hours USB interface: 500 mA HUB |
| Dimensions | 88 x 49.5 x 19.2 mm |
| Weight | 100 grams with batteries |