Sensidyne Industrial Health and Safety

SV 307 Noise Monitoring Terminal Specifications

SV 307 Noise Monitoring Terminal Specifications
Standards Class 1: IEC 61672-1:2013, Class 1: IEC 61260:2002
Weighting Filters A, B, C, Z, LF
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB
Time constants: Slow, Fast, Impulse
Microphone Patented MEMS design microphone ST30 in 1/2” housing
Preamplifier Integrated
Linear Operating Range 30 dBA RMS ÷ 126 dBA Peak (in accordance to IEC 61672)
Total Dynamic Measurement Range 20 dBA RMS ÷ 126 dBA Peak (typical from noise floor to the maximum level)
Internal Noise Level  less than 20 dBA RMS
Frequency Range

20 Hz ÷ 20 kHz

Meter Mode Results Elapsed time, Lxy (SPL), Lxeq (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN),
Lxye (SEL), 10 x LN (LEQ STATISTICS), Lden, LEPd, Ltm3, Ltm5
Simultaneous measurement in three profiles with independent set of filters (x) and detectors (y)

Ln (L1-L99), complete histogram in meter mode

Ln (L1-L99) statistics in 1/1 or 1/3 octaves (if option is active)

Data Logger

logging of summary results with step from 1 s (auto-save function)

logging of time history with step from 2 ms

1/1 Octave Analysis (option) Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 31.5 Hz to 16 kHz
1/3 Octave Analysis (option) Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 20 Hz to 20 kHz (full band), selectable weighting filter, detector linear
Audio Recording (option) Audio events recording during measurement, trigger or continuous mode, 12 / 24 / 48 kHz sampling rate, 16 or 24 bit, wav format
Ingress Protection Rating IP 65
Inputs Power supply LEMO 4-pin, extended I/O port LEMO 5-pin
Remote system check Inbuilt reference sound source producing level of 100 dB at 1 kHz
Memory Micro SD card 16 GB (removable)
Display & Keyboard OLED colour display 128 x 160 px and 10 push-button keyboard
Communication Interfaces USB, 3G modem
Power supply 3G modem (included in SV 200_3G)
     Operation time on battery (8.2V / 10Ah)
  Modem off up to 6 days
  Modem on up to 5 days
  Solar Panel (not included) MPPT voltage 17.0 V ÷ 20.0 V
  AC power supply (included) – Input 100 ÷ 240 VAC, output +15 VDC 2.5 A, IP 67 housing
  External DC source (not included) voltage range 10.5 V – 24 V
Environmental Conditions

Temperature from -20 oC* to 50 oC

*Only with external powering otherwise -10oC to 50 oC

  Humidity up to 95% RH, non-condensed
Dimensions 680 mm length; 80 mm diameter excluding windscreen; windscreen diameter 130 mm
Weight  Approx. 1.8 kg with batteries