Sound and Vibration Instrument Hire and Calibration
SVAN 945A Specifications

| SVAN 935A : Sound Level Meter - Class 1 |
Standards :
IEC61672-1:2002 Class 1
IEC60651 Type 1 (1979) with amendments 1 and 2
IEC60804 Type 1 (2000)
Parameters
Time history for
A, C Lin (Z) weightings in parallel
Real time Frequency Analysis -
1/1 octave and
1/3 octave
Other Specifications
| Sound Analysis | Real time 1/1 & 1/3 octave analysis with statistics |
| Preamplifier Input | 24 dBA - 140 dBA |
| Dynamic Range | 120 dB sound level meter mode, 100 dB analyser mode |
| A/D conversion | 2 x 20 bits |
| Frequency Range | 1 Hz - 20 kHz |
| Sampling Rate | 48 kHz |
| Weighting Filters | A, C, Lin (Z) Type 1 |
| 1/1 Octave Filters | 15 filters with centre frequencies 1 Hz - 16 kHz |
| 1/3 Octave Filters | 45 filters with centre frequencies 0.8 Hz - 20 kHz |
|
RMS Detector | Digital true RMS and
Peak detection |
| Resolution | 0.1 dB |
| Time Constants | Fast, Slow Impulsive (all in parallel) |
| Microphone | GRAS 40AN: 50 mV/Pa, condenser |
| Display | LCD plus icons with back-lighting |
| Analogue Output | AC 0.5 Vrms |
| Interfaces | USB and RS-232 |
| Power Supply | Internal:- more than 8 hours, rechargeable
|
| Power Supply | External:- 230 Vrms to DC meter supply charger |
| Environmental | |
| Temperature | -10 °C to 50 °C |
| Humidity | up to 90% RH, no condensation |
| Dimensions | 298 x 84 x 44 mm excluding microphone and preamplifier |
| Weight | 0.6 kg approximately, including microphone and preamplifier |
Instrument Description
E&OE - specifications subject to change without notice.
* Our standard hire charges are based on a 4-day minimum period,
details other options.
