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SM4 Song Meter

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    Description

    The Wildlife Acoustics SM4 Song Meter is a dual-channel acoustic recorder protected by in a weatherproof housing. Which is capable of capturing large volumes of data from your target area such as birds, frogs and aquatic life.

    It features two built-in microphones, extensive scheduling options, large data storage and low power consumption, giving you the longest deployment times of any acoustic recorder available.

    Wildlife Acoustic’s SM4 Song Meter features a new generation, built in microphones to ensure higher quality recordings than those from all previous Song Meters. The SM4 has two additional microphone ports adding flexibility to record additional data from a cabled microphone.

    Two channels gives you the flexibility record two sources of audio at the same time, the SM4 has dual channels. Record in stereo or mono using the built-in microphones alternatively connect one or two cabled microphones to have the ability to record audio from points further away of wildlife such as birds in the forest canopy, or frogs at a nearby pond.

    Record up to 650 scheduled hours on your Song Meter over months while using four D cell batteries, 350 hours using NiMH batteries or even longer using external power.  When the SM4 is in Sleep Mode, between scheduled recordings, it uses almost no power.

    The SM4’s new Quick Start menu and Scheduler feature are an industry first. The Song Meter comes with standard recording programs; including daytime, nighttime, and continuous recording schedules. Simply choose the schedule and press the Start button. The SM4’s new Scheduler features makes it easy to create custom schedules that suit your exact needs.

    Wildlife Acoustics has installed two SD card slots into the SM4 Song Meter, that accept SDHC and SDXC cards. When fitted with two 512GB cards, the SM4 can store over a terabyte of data.

    Listen to your recordings in the field, the SM4 features an integrated headphone jack to monitor activity in real-time.

     

     

    Specifications

    Recording Technology:  Two-channel, 16 bit .wav

    Recording Bandwidth:  20Hz – 48kHz

    Sample Rates: Supports the following sample rates in samples per second on one or two channels: 8000, 12000, 16000, 22050, 24000, 32000, 44000, 48000,96000

    Built-in Microphones: 2 Directional Characteristic: Omni-Directional
    Sensitivity: -33.5 dB /- 3 dB at 1 kHz (0 dB=1 V/Pa)

    Signal to Noise Ratio: 80 dB Typ. at 1kHz (1 Pa, A weighted network)

    Max Input Sound Level: 122 dB SPL Typ.

    Run-Time:
    Record up to 650 hours scheduled over months using four D cell Alkaline batteries, 350 hours using NiMH batteries or even longer using external power.

    NOTE: Run times can vary by as much as 50% depending on the characteristics of specific brands and models of flash cards, the kind and quality of batteries used (alkaline versus rechargeable), temperature and configuration.

    Power Options:
    Internal power using 4 D-size alkaline or NiHM batteries
    External power: Optional – SM3/SM4 Power Cable

    Storage:
    2 SDHC/SDXC flash card slots (Class 4 or greater)* More than 1 terabyte total capacity using 2 512GB SDXC cards. We recommend SanDisk brand SDHC/SDXC cards.

    Dimensions: H 218 mm x W 186 mm x D 78 mm

    Weight: 0.7 kg no batteries / 1.3 kg with batteries

    Enclosure Material: Polycarbonate – Fully weatherproof

    Operating Temps: -20°C to 50°C

    Warranty: 3 years Manufacturers

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