Dual-channel Sound Level Meter conforming to Class 1: IEC 61672
Prepolarised 1/2" microphone
Dual channel 1/1 and 1/3 octave bａnd analysis (option)
Single measurement range
Measurement range 45 dBA RMS ÷ 141 dBA Peak
MIRE measurement technique with SV 25S (option)
Three parallel independent profiles
Advanced data logger, up to 12 results per channel logged simultaneously including spectral analysis
Audio-events-recording (option)
MicroSD card
USB interface
Large OLED display
Integration time programmable up to 24 h
Power supply by two AA rechargeable or standard batteries
Extremely compact, light weight and robust case
SV 102A+ Dual-Channel Acoustic Dosimeter Specification
Dosimeter/SLM/Analyser
Standards IEC 61252; ANSI S1.25-1991; Class 1: 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 detectorsWeighting Filters A, C and Z RMS Detector Digital true RMS detector with Peak detection, resolution 0.1 dB
Time constants: Slow, Fast, ImpulseMicrophone SV 7052E, prepolarised, 1/2" housing
SV 25S, special microphone with dedicated probe for
Microphone-In-Real-Ear technique (option)Preamplifier SV 15 with integrated cable Measurement Range 45 dBA RMS ÷ 141 dBA Peak (with SV 7052E microphone) Typical noise floor less than 35 dBA 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 7052E or SV 25S (option) 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 HUBEnvironmental Conditions Temperature: from -10 oC to 50 oC
Humidity: up to 90 % RH, non-condensedDimensions 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
