SVANTEK Noise Dosimeter SV 104
SV 104 is a body-worn personal sound exposure meter (PSEM) for full-shift, near-ear monitoring in industrial and field environments. It meets IEC 61252:2017 and ANSI/ASA S1.25-1991 (R2020) requirements for personal noise dosimeters and—when used with listed accessories—meets IEC 61672-1:2013 Class 2 for integrating-averaging sound level meters. For hearing-conservation and compliance reporting it integrates sound pressure over time to compute Dose (%), TWA8h, and LEX,8h / LEP,d under OSHA, MSHA, ACGIH, and ISO 9612.
The SV 104 records A-weighted SPL and supports three independent measurement profiles in parallel (e.g., 2/3/4/5/6 dB exchange rates; Fast/Slow/Impulse time weightings) across a typical range of 55–140 dB(A). A patented ½″ MEMS microphone with lifetime warranty enables straightforward acoustic calibration and long-term stability. The instrument ships ready to use with core accessories; an intrinsically safe (IS) variant and a Bluetooth®-enabled (SV 104A) variant are available for hazardous locations and real-time app monitoring.
Product Highlights
- Compliance-ready: validates measurements under OSHA 29 CFR 1910.95, MSHA, ACGIH, and ISO 9612 profiles.
- Standards met: IEC 61252:2017; ANSI/ASA S1.25-1991 (R2020); with accessories, IEC 61672-1:2013 Class 2.
- Parallel profiles: run three profiles at once (separate exchange rates and time constants) to compare programs without repeat runs.
- A-weighted logging: dual-step time-history of Leq/Max/Min/Peak for traceable reports.
- Patented MEMS mic (lifetime warranty): shock-resistant capsule designed for long-term stability and easy field calibration.
- Anti-misuse protection: built-in vibration sensor flags bumps/handling events to protect data validity.
- High-contrast OLED: readable in bright or low light; essential data on one screen.
- Full-shift power: typical operation >40 h (profile-dependent), supporting multi-day campaigns.
- Software & app: PC software and mobile app included; firmware upgradable.
- Optional analytics: add 1/1- and 1/3-octave bands and audio recording via perpetual licenses.
- Warranty coverage: 36-month instrument warranty plus extended microphone coverage.
- IS & Bluetooth options: SV 104IS kits for hazardous areas; SV 104A with Bluetooth for real-time alarms.
- Fleet bundle: 5-Pack Team (5 dosimeters, 1× calibrator, multi-bay USB hub, carrying case) for fast deployment.
SV 104 – Noise Dosimeter
Applications
Communication Interfaces
USB, infrared
Battery type
Ni-MH rechargeable cells
Operating time
> 40 hours
Operating temperature range
-10 °C ÷ +50 °C
Humidity range
up to 95 % RH
Standards
IEC 61252 Ed 1.2 (R2017); ANSI S1.25-1991 (R2020)
Microphone type
ST 104C MEMS microphone
Linear operating range to IEC 61672
55 dBA RMS ÷ 140.1 dBA Peak
Total measurement range
50 dBA RMS ÷ 140.1 dBA Peak
Frequency range
20 Hz ÷ 10 kHz
Weighting filters
A, C and Z
Time constants
Slow, Fast, Impulse
Exchange rates
2, 3, 4, 5, 6
Criterion levels
selectable
Profiles per channel
3 with independent filters (x) and time constants (y)
Min logging step
1s logger step
Statistics in octaves or third octaves
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