Sensidyne Industrial Health and Safety

SV 102 Plus Specifications

SV 102 Plus Specifications



IEC 61252-1993; ANSI S1.25-1991, Class 2 : IEC 61672:2002

Acoustic dosimeter mode

Leq, Spl, LPeak, SEL, DOSE, D_8h, LAV, SEL8, PSEL, E, E_8h, ?__Peaks Counter?_? and more 
Measurement simultaneous to the 1/1 octave analysis or 1/3 octave analysis and event recording

SLM Mode

Leq, Spl, SEL, LEP,d , Lden, Ltm3, Ltm5, Statistics - Ln (L1-L99), LMax, LMin, LPeak
Simultaneous measurement in three profiles with independent set of filters and detector

Weighting filters

A, C and Z

RMS Detector

Digital True RMS detector with Peak detection, resolution 0.1 dB
Time Constants: Slow, Fast, Impulse


SV 25D, Class 2, ceramic microphone, 1/2" casing with built-in preamplifier & integrated cable
SV 25S, Class 2, ceramic microphone, special version of the SV25D for measurements in real ear - under ear-protectors (option). 
SV25D and SV25S have built in TEDS functionality for the automatic calibration.

Measurement Range

45 dBA RMS ?? 141 dBA Peak

Frequency Range

20 Hz ??20  kHz, sampling rate 48 kHz

Dynamic Range

100 dB

 Data Logger1

Time History logging of RMS / Max / Min / Peak results to internal memory with time step down to 1 second, up to 24 measurement results logged simultaneously

Audio Recorder1

Time domain signal events recorder (option)

Dual channel mode

Dual channel measurement mode with second microphone SV 25D or SV 25S (option)

1/1 octave1

Dual channel 1/1 octave real time analysis and spectra logging, 10 filters with center frequencies from 31.5 Hz to 16 kHz, Type 1, IEC 61260 (option)

1/3 octave1

Dual channel 1/3 octave real time analysis and spectra logging, 31 filters with center frequencies from 20Hz to 20 kHz, Type 1, IEC 61260 (option)



2 x Lemo 2 pin


Color 160 x 128 pixels OLED type


MicroSD card 4GB


USB 1.1 Client, 
Extended I/O - AC output (1 V Peak) / Digital Output (Alarm trigger) / Digital Input (Input trigger)

Power supply

Two AA batteries 

operation time > 16 h 
(3 V / 1.6 Ah)2

Two rechargeable batteries 
(not included)

operation time > 20 h 
(2.4 V / 2.6 Ah)2

USB interface

150 mA HUB

Environmental Conditions


from -10oC to 50oC


up to 90 % RH, non-condensed


95 x 83 x 33 mm (without microphones)


260 grams with batteries (without microphones)

1function parallel to the acoustic dosimeter mode or meter mode
2display off