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    The Ultramic384K is a high quality, professional digital device that can work as:

    • an USB ultrasonic microphone
    • and as a smart autonomous full spectrum recorder

    The Bluetooth connection is used only for an easy configuration of the microphone if used as autonomous recorder. The ultrasonic transfer is done via USB.

    The Ultramic384K BLE has an integrated analog-to-digital converter able to achieve a 384 kHz data sampling rate. The USB 2.0 full speed port allows an easy connection to a PC, iOS, Android smartphone or tablet and embedded Linux systems. The Ultramic384K BLE is composed of a main body with digital and differential analog amplification, a waterproof, high performance audio and ultrasonic microphone with a FG sensor, and a preamplification circuit. The ultrasonic sensor can be replaced with other sensors such as an infrasonic microphone, a vibration sensor, or a hydrophone. When used with an external USB battery, the Ultramic384K BLE's low power, integrated 32 bit microcontroller makes it the perfect device for long term autonomous recording.

    Features

    • The Ultramic384K BLE is a high performance – omnidirectional audio and ultrasonic microphone
    • USB 2.0 full speed connection using a driverless – standard audio class UAC 1.1 interface for an easier communication with host devices
    • Hardware amplification gain is settled via two switches
    • Easy disassembly to access the SD card slot, the backup battery, the preamplification switches and button.

     

    Applications
    The Ultramic384K BLE can be used in scientific research for: Bioacoustics and Industrial research:

    • Detecting and recording of biological ultrasounds for bioacoustics studies on insects, cetaceans, rodents, and of course bats.
    • Environmental studies to assess the impact of wind farms on bats.
    • Recording and analyzing mice ultrasonic vocalizations for pharmacological studies.
    • Soundtracks and special effects (such as slowing down the recorded ultrasounds).
    • LEAK detection
    • Predictive motor fault monitoring
    • Detection of high-frequency noises emitted by switching power supplies, LCD screens, or the turbines of car and truck engines, energy saving lamps.

     

    Technical Specifications

    Recording format Linear PCM (Pulse Code Modulation) format
    Recording medium

    SD card (512MB to 2GB)

    SDHC card (4GB to 32GB)

    SDXC card (64GB to 512GB)

    Input

    IN+ IN- 0 – 1 V differential voltage input

    USB B connector

    USB 2.0 Full Speed

    USB audio class 1.1

    External dimensions

    Total length 160 mm

    Diameter 25.4 mm

    Weight

    129g (coin battery included.)

    Reference input level

    Switch setting       Level Value
    HI                        114dBSPL
    LOW                     74dBSPL

    Sampling frequency

    384 K sampling per second

    Resolution

    16 bit

    Amplification

    Hign quality and low noise, differential analog amplification with no filter

    CPU

    32 bit integrated ARM Cortex M4 microcontroller

    Power

    35 mA power requirement in USB mode
    30 mA mean power requirement in autonomous
    recording mode
    140 mA maximum peak while recording

    Update 

    Software upgradable via firmware file stored in the micro
    SD card

    Microphone sensor

    FG23629 from Knowles

    Backup battery

    CR1220 coin cell backup battery

    Handleiding

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    Ultramic384K BLE
    € 339,-
    Ultramic384K BLE
    1 Op voorraad: Op werkdagen voor 17:00 besteld, zelfde dag verzonden.
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