SV271A by Svantek - Outdoor Noise Monitoring Kit

Area Monitoring Datalogging
Enclosure Manufacturer: Svantek
SV271A by Svantek - Outdoor Noise Monitoring Kit
SV271A by Svantek - Outdoor Noise Monitoring Kit
SV271A by Svantek - Outdoor Noise Monitoring Kit
SV271A by Svantek - Outdoor Noise Monitoring Kit
SV271A by Svantek - Outdoor Noise Monitoring Kit

The Svantek SV271A is a Class 1 sound level meter built to IEC 61672-1:2013, offering a wide frequency range of 10 Hz–20 kHz, a dynamic range exceeding 110 dB, and a measurement range of 25–140 dBA with a noise floor below 15 dBA. It delivers an exceptional 21-day battery life on a 17 Ah battery pack and stores data on an 8 GB microSD card, making it one of the most capable instruments for long-term unattended outdoor noise monitoring, environmental compliance surveys, and community noise impact studies requiring precision Class 1 accuracy. The unit is rated IP65 for full weather resistance.

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SV271A by Svantek - Outdoor Noise Monitoring Kit
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About This Product

The Svantek SV271A is a Class 1 sound level meter built to IEC 61672-1:2013, offering a wide frequency range of 10 Hz–20 kHz, a dynamic range exceeding 110 dB, and a measurement range of 25–140 dBA with a noise floor below 15 dBA. It delivers an exceptional 21-day battery life on a 17 Ah battery pack and stores data on an 8 GB microSD card, making it one of the most capable instruments for long-term unattended outdoor noise monitoring, environmental compliance surveys, and community noise impact studies requiring precision Class 1 accuracy. The unit is rated IP65 for full weather resistance.

Exposure Hazards This Equipment Detects

Noise (dBA)

CAS: N/A
Learn More
PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Features & Capabilities

Calibration Certificate Available: ✓ Yes
Datalogging: ✓ Yes
Monitoring Scope: Area Monitoring

Equipment Specifications

Core Instrumentation

  • Sound Level Meter: Svantek SV971A (Class 1, IEC 61672-1:2013)
  • Outdoor Kit: SA271A microphone protection system with windscreen and bird spike
  • Measurement Type: Type 1/Class 1 sound level measurements and frequency analysis
  • Frequency Range: 10 Hz–20 kHz
  • Dynamic Range: >110 dB
  • Linear Operating Range: 25 dBA RMS–140 dBA Peak
  • Internal Noise Floor: <15 dBA RMS

Measuring Parameters

  • Broadband Sound Level Metrics:

    Lpeak, Lmax, Lmin, SPL (L), Leq, LE (SEL), LEPd
    Lden, Ltm3, Ltm5, Overload %, Measurement Time
    EX (Expected Leq), SD (Standard Deviation)
    Rolling Leq (LR1 & LR2)

  • Statistical Analysis:

    Ln (L1–L99) with programmable percentile levels
    Complete histogram logging in meter mode

  • Dosimetry Mode (optional license):

    DOSE, D_8h, PrDOSE, TWA, PrTWA
    LAV, SEL8 (LAE8), PSEL, E, E_8h
    ULT (Upper Limit Time), PTC (Peak Counter), PTP (Peak Threshold), Lc-a

  • Frequency Weighting Filters: A, B, C, Z (simultaneously measured across 3 profiles)
  • Time Weighting Detectors: Fast, Slow, Impulse (parallel across all profiles)
  • Octave Band Analysis (optional):

    1/1 Octave: Real-time, 31.5 Hz to 16 kHz
    1/3 Octave: Real-time, 20 Hz to 20 kHz
    Meets IEC 61260-1:2014 Class 1 requirements

  • Audio Recording (optional):

    Triggered or continuous
    WAV format, 12 kHz or 24 kHz sampling rate
    Pre/Post-trigger settings, configurable recording window
    Useful for event correlation and playback

Data Logging & Storage

  • Logging Capabilities:

    Dual time-history logging with separate summary and time-step files
    Adjustable logging intervals: 100 ms to 1 hour
    Logging and summary data stored simultaneously

  • Memory Storage:

    8 GB microSD card standard (upgradeable to 128 GB)
    FAT32 format required
    Logger and audio files auto-named and time/date stamped

  • Interface & Download:

    USB Type-C for fast data transfer
    Compatible with SvanPC++ and Supervisor software for post-processing

Power & Runtime

  • Internal Battery:

    17 Ah sealed lead-acid battery (in case)
    Up to 21 days continuous operation under standard logging conditions
    Supports battery preservation mode

Kit Contents

SA271 Outdoor Enclosure Case, Battery Pack with USB A-C Cable and Power Adapter, Preamp/SLM Connector Cable, Windscreen and Bird Spike, Cone Assembly (all 4 pieces with installed O-rings), Dummy Microphone, Desiccator (placed inside cone), Inlet Gland for securing preamp cable, Tripod Mount Adapter (threaded onto cone), Small Container with spare O-rings, 3mm Hex Key, and extra Dummy Mic, Printed/Laminated Setup Guide for Outdoor Kit, Carrying Case with all items.

Manufacturer Resources

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