SV 104 Personal Noise Dosimeter
Enhanced Design
Rugged enclosure with durable MEMS microphone for greater shock and damage resistance
Color OLED display makes it easy to read results in dim light or direct sunlight
Precision Measurement
Three simultaneous, independent dosimeter measurements for OSHA PEL, OSHA HCA, ACGIH, or custom configurations
Real-time octave band analysis provides hearing protector selection data
Results Verification
Audio recording for peak or threshold noise-source identification
MEMS triaxial vibration sensor records possible instrument impacts
Data Analysis & Reporting
Customizable viewing, report generation and history database
Instrument manager and profile configuration
Standards ANSI S1.25-1991; IEC 61252;
Weighting filters A, C and Z
Time constants Slow, Fast, Impulse
Exchange rates 5, 3 (plus 2, 4, and 6)
Measurement results Lavg/Leq, SPL, Max, Min, SEL, SEL8, PSEL, LEPd, Dose (%), TWA, E, E_8h, Peak, Run Time, Upper Limit Time (ULT), L(C-A), Projected Dose (D_8h)
Measurement profiles 3 unique real-time virtual dosimeters with independent setup profiles
Microphone Class 2 microphone, 1/2” housing
Measurement range 55 dBA RMS ÷ 140.1 dBA Peak
Frequency range 30Hz to 8kHz
Dynamic range 95 dB
Data logging Summary results for measurement time; Time-history logging of Leq/Max/Min/Peak with 1s logger step
Voice comments Audio records on demand, created before or after measurement, added to measurement file
Audio recording Audio events recording, trigger and continuous mode, 12 kHz sampling rate, wav format (option)
1/1 octave Real-time analysis in octave band filters 9 filters with centre frequencies from 31.5 Hz to 8 kHz (option)
Threshold Any level between 70 and 90 dB in 5 dB steps