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  • Voice Alarm Transmitter Vx400 - Korea

    price: check with company for price

    Convenient Voice Alarm Recording and Response Set
    All the functions including voice message recording and phone number registration are set by phone.

    Multiple Transmission and Centralised Control
    Up to 7 phone numbers(landline or cellular) can be registered(No.1~7) for voice alarm and
    it is suitable to notify a number of persons. For centralized control, a recorded message
    in No.1 is transmitted to a remote server.

    Various User Settings
    Registration of receivers, duration of monitoring channel changes, channel emergency, number of
    retransmission, repeat interval, and device ID can be configured. Device ID set is to
    identify the receivers and not to retransmit until a new alarm.

    Wide Range of Input Voltage
    The default range of imput voltage is AC or DC 10V~220V and it can be used for other ranges by
    replacing a sensing error.

    Auxiliary Battery Connection for Emergency
    A rechargeable battery(lead-acid battery: 1.2Ah) can be used as an auxiliary battery to monitor a
    blackout or operate in emergency. There is no need to connect an adapter when 12V is plugged
    into the terminal of rechargeable battery.


    Company Contact:


    • Phone: 82314953767

    • Address: 30 Dongsan-Ro, Ansan-Si, Korea

    • Email: Email


    Published date: January 19, 2017 -

    • Business Description: Supplying a Broad Range of Controllers
      DOTECH INC, located in Ansan-Si, Gyeonggi-DO, Korea, is one of the fastest growing manufacturing companies supplying a broad range of controllers for HVAC&R applications to both domestic and overseas markets.

      Our controllers range from the simplest one with single board to sophisticated and intelligent microprocessor based products capable of RS485 communication with upper systems such as HMI, personal computer, touch screen and more; and displaying status of equipments, storing trip messages in non-volatile memory as well.

      Wide Product Range to Choose From
      In addition to this, our product line includes various kinds of temperature and humidity transmitters (sensors) with 4 to 20mA output or RS485 (Modbus), thermostat and humidistat for general use purpose and refrigeration applications such as showcase and cold room, air compressor controllers, clean room, air shower, particle sensor, spare parts and many more.

      High Quality is Guaranteed
      We aim to become one of the best, faithful and trustworthy worldwide manufacturers and suppliers who is dedicated and committed to provide goods to valued and potential customers at a very high quality, reliability and reasonable price.

      Benefit from Our Advantages
      Since our establishment, DOTECH INC has been continuously investing in and focusing on technological improvement and will provide valued customers with better service, technical advice, product selection that fit their expectations and needs through these ongoing efforts to develop new products based on practical experiences in the field.

      Contact us now.

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