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    HD-18N Bolt-on outdoor pickups

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      Pointing characteristics: Omni-directional
      Indoor and outdoor: outdoor installation
      Shell material: aluminum alloy
      Installation method: desktop installation, buried wall installation
      Industry applications: judicial prisons, financial banks, public pro
    • 介绍说明
    • 产品参数
    • 产品尺寸

    1、Outdoor waterproof proximity omnidirectional pickup, a pickup designed for outdoor patrol cars, toll booths and other environments.

    2、Sturdy, beautiful and durable metal shell, fully sealed processing, bolt-on design, can be easily fixed to the equipment panel.

    3、Professional directional capacitive microphone, automatic suppression of high-intensity sound, very clear sound pickup at close range within 5 meters.

    4、Strong directional design can effectively prevent interference from highways, shopping malls and pedestrian noise.

    5, built-in AGC and DTS noise reduction signal microprocessing circuit, waterproof, moisture-proof, dustproof performance, in line with IP65 standards.

    6, a good partner of network video server, can be used for safe city emergency alarm help column / box.

    7, in line with the digital age of high broadband, high linearity, flat and stable response.

    8, array technology multi-level dynamic audio noise reduction processing, low noise, suitable for high demand outdoor engineering applications.

    9, waterproof and moisture-proof good, long shelf life, convenient for highway alarm points, toll stations and other audio monitoring.

    10, -40 ℃ ~ 75 ℃ super ambient temperature work to ensure that the back end of high-quality recording effect.

    11, ultra-long line transmission patent technology, using 3-core 1.5mm square RVVP shielded cable transmission 1 km without distortion.

    12, integrated professional pre-audio amplifier, monitor head directly drive active speakers, hard disk recorders, recorders, etc.

    13, through the Ministry of Public Security and Police Electronic Product Quality Testing Center test.

    14、Obtained the patent certificate of the State Intellectual Property Office of the People's Republic of China.

    15、Obtained the computer software copyright of the National Copyright Administration of the People's Republic of China.

    16、Passed the EU environmental protection ROHS directive 2002/95/EC construction specification.

    17、Passed the EU CE standard and the construction specification of synchronous audio and video recording system of the highest inspection.

    18、Passed the Federal Communications Commission of the United States, that is, the FCC related standards testing and the corresponding system construction specifications.

    Pickup range: 5 meters
    Pickup head: advanced dynamic pointing head
    Pointing characteristics: Omni-directional
    Sensitivity:-48 dB(10.0 mV e 1V at 1 Pa)
    S/N Ratio:60 dB (1 kHz at 1 Pa);Distortion1≧0.5% (74dB sound pressure, A-weighted);Distortion2≧0.5% (110dB sound pressure, A-weighted)
    Distortion:≧ 0.3% (74dB sound pressure, A-weighted)
    Maximum Sound Pressure:120dB Sound Pressure (1 kHz ≤ 3% THD, A-weighted.)
    Frequency Response:100Hz ~ 15kHz (90dB sound pressure, A-weighted)
    Signal processing: Digital filtering digital filtering
    Output level: 2.5Vpp/94dB SPL (A-weighted)
    Output impedance:600 ohms unbalanced
    Protection circuit: polarity protection, misconnection protection, lightning protection, ESD protection
    Dynamic range:90dB (1 kHz@94dB SPL)
    Connection:Three-wire system: power line (red), audio (white), common ground (black)
    Signal transmission:3000m Twisted pair, shielded cable (please use shielded cable or transmitter for electromagnetic complex environment)
    Power supply voltage:Linear regulated power supply DC 9V-20V (12V recommended)
    Power supply current:30mA
    Operating environment: -40 ℃ ~ 75 ℃
    Electromagnetic compatibility:Comply with GB 9254-2008
    Reliability index:MTNF≧80000hours
    Dimensions:40mm(H)×30mm(Diameter)
    Comply with the standard: in line with the standard EU CE standards, the United States FCC certification, the Supreme Court synchronous recording system construction specifications

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