Sensidyne Industrial Health and Safety

SV 102+ Dual Channel Noise Dosimeter Specifications

SV 102+ Dual Channel Noise Dosimeter Specifications

SV 102+ Dual-Channel Acoustic Dosimeter Specification 


Standards IEC 61252; ANSI S1.25-1991; Class 2: IEC 61672:2002, ISO 11904-1
Acoustic Dosimeter Mode Lav/Leq, SPL, Lmax, Lmin, SEL, SEL8, PSEL, LEPd, Dose (%),
TWA, E, E_8h, Peak, Run Time, Upper Limit Time (ULT),
L(C-A), Projected Dose (D_8h)
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 detectors
Weighting Filters A, C and Z
RMS Detector Digital true RMS detector with Peak detection, resolution 0.1 dB
Time constants: Slow, Fast, Impulse
Microphone SV 25D, Class 2, ceramic microphone, 1/2" housing with built-in
preamplifier & integrated cable
SV 25S, special microphone with dedicated probe for
Microphone-In-Real-Ear technique (option)
SV 25D and SV 25S have built-in TEDS functionality for the automatic calibration
Measurement Range 45 dBA RMS ÷ 141 dBA Peak (with SV 25D microphone)
Frequency Range 20 Hz ÷ 20 kHz, sampling rate 48 kHz
Dynamic Range 100 dB
Data Logger1 Time-history logging of Leq/Lmax/Lmin/Peak/Lav results to internal memory with time step down to 100 millisecond to microSD card
Audio Recorder1 Time-domain signal events recorder (option)
Dual-channel Mode Dual-channel measurement mode with second microphone SV 25D or SV 25S
1/1 Octave1 Dual-channel 1/1 octave real-time analysis and spectra logging,
10 filters with centre 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 centre frequencies from 20 Hz to 20 kHz, Type 1, IEC 61260 (option)

Basic Data

Input 2 x LEMO 2-pin, Direct
Display Colour 160 x 128 pixels OLED type
Memory MicroSD card 8 GB (removable & upgradeable)
Interfaces 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 (alkaline): operation time > 16 h (3.0 V / 1.6 Ah)2
Two rechargeable batteries (not included): operation time > 20h (2.4 V / 2.6 Ah)2
USB interface: 150 mA HUB
Environmental Conditions Temperature: from -10 oC to 50 oC
Humidity: up to 90 % RH, non-condensed
Dimensions 95 x 83 x 33 mm (without microphones)
Weight 260 grams with batteries (without microphones)


1 function parallel to the acoustic dosimeter mode or meter mode

2 depends on instrument operation mode