SVANTEK Personal noise dosimeter SV 104A
SV 104A is a standards-compliant personal noise dosimeter for occupational noise assessments that minimizes workflow interruptions and improves data reliability. It streamlines monitoring with three independent profiles and time-history logging (TWA, DOSE, LEX,8h, Leq/Peak/Max/Min), while Bluetooth® remote readout—the key upgrade as the successor to SV 104—allows checks without disturbing the worker.
Designed to IEC 61252 and ANSI S1.25-1991 (R2020) and used under ISO 9612, OSHA 29 CFR 1910.95, and MSHA, it supports flexible exchange rates (2/3/4/5/6 dB) and criterion levels. A built-in triaxial vibration sensor flags shock- or motion-induced artefacts, while optional firmware add-ons—1/1-octave, 1/3-octave, and triggered audio recording—aid source recognition and hearing-protection selection.
Product Highlights
Highlights summarize what is included by default and what can be added later to tailor SV 104A to specific tasks.
- Noise dosimeter ready to use out of the box: Supplied with essentials for immediate occupational health and safety measurements
- Fully standards compliant: ISO 9612, OSHA 29 CFR 1910.95, MSHA; designed to IEC 61252 & ANSI S1.25 (R2020)
- PC software & mobile app included: Free updates
- Firmware add-ons: Activate anytime, never expire, free updates (optional licenses for: 1/1 octave, 1/3 octave, audio recording)
- 36-month instrument warranty: Plus extended microphone warranty
- MEMS microphone with lifetime warranty: Shock-resistant, stable over years
- Three independent profiles: Parallel recording with separate filters/time constants
- Time-history logging: Dual-step Leq/Max/Min/Peak
- Bluetooth® connectivity: Real-time monitoring and alarms via app
- Built-in vibration sensor: Detects misuse, protects data validity
- High-contrast OLED: Readable in bright/low light
- Up to 48 hours operation: Multi-day campaigns
- Ecosystem & variants: dual-channel SV 102A+ for left/right or under-headset + reference measurements; SV 104IS intrinsically safe kits for
SV 104A – Personal noise dosimeter
Applications
Communication Interfaces
USB 2.0, Bluetooth® 4.0, electrical contacts
Battery type
Li-Ion rechargeable cell
Operating time
operation time > 48 hours
Operating temperature range
from -10 o C to 50 o C
Humidity range
up to 90 % RH
Standards
IEC 61252 Ed 1.2 (R2017); ANSI S1.25-1991 (R2020) Class 2 IEC 61672-1 (2013)
Microphone type
ST 104CIS MEMS microphone, 1/2” housing, patented
Preamplifier type
Integrated
Linear operating range to IEC 61672
53 dBA RMS ÷ 141 dBA Peak
Total measurement range
43 dBA RMS ÷ 141 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 settings of filters (x) and time constants (y)
Min logging step
1s logger step
Statistics
LN (LEQ STATISTICS)
Statistics in octaves or third octaves
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Terima kasih!
