Microcontroller-based Timers/Counters/Stop Watch

Libratherm Instruments Pvt Ltd (Manufacturer)
Microcontroller-based Timers/Counters/Stop Watch

Model ID

  • DTR-721/ DCT-721/LSW-72

Product Categories

Product Profile

Libratherm offers Microcontroller-based Timers, Counters and Stop Watch, models DTR-721, DCT-721 and LSW-72. Timers are available in the range of 0 – 9999 time count. These timers have 4-digit 0.5” 7-segment red LED upper display for actual time value and 4 digit 0.3” 7-segment red LED lower d...

Company Profile

Libratherm is an ISO 9001: 2008 certified Indian Company engaged in the manufacturing activity of Electronic Process Control Instruments since 1991. Product Range includes Digital and Microprocessor based Temperature Indicators / Controllers having different configurations, such as simple ON/OFF, Time Proportional, PID, Programmable Ramp / Soak, Multi-loop PID, Data Loggers with Printer and PC interface, Temperature Scanners, etc...

At Libratherm, the instruments are designed and developed by highly qualified and experienced team of Engineers with in-house Design and Development facilities for both hardware and software. Their products are economically priced, elegant in appearance, reliable and excellent in quality and are conforming to EN61010 international safety standards. Sales and service support is available by dealer's network in the major cities.
Technical Specifications

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  • Specification for DCT-721:
  • New Page 1

    Input

    Proximity switch / Photo sensor, encoder, potential free contact etc.

    Sensor Supply

    5 to 24 VDC.

    Set Point

    Single or Dual Adjustable using soft touch keyboard.

    Output

    Two relays with single change over potential free contact (5A@230VAC) at the end of the set count.

    Remote Start/Stop

    Can be provided using potential free contacts.

    Memory Back Up

    Retention of last count value in the event of power failure.

    Supply

    SMPS - 100 to 240VAC, 50/60 Hz.

    Size

    72 x72 x 65 mm.

    Enclosure

    ABS plastic with polycarbonate front.

  • Specification for DTR-721:
  • New Page 1

    Time Resolution

    0.01Sec (10mS), 0.1Sec (100mS), 1 Sec / Min / Hour – user programmable.

    Time Base

    Using high frequency quartz crystal.

    Time Count

    UP or DOWN – programmable.

    Reset

    Using front panel switch

    Function/Mode – Programmable

    ON delayed (Relay to turn ON after the end of the set time)

    or OFF delayed (Relay to remain ON till the end of the set time)

    or CYCLIC – (Relay will remain On and Off  as per the programmed time)

    Set Point

    Single (On/Off delay) or Dual (Cyclic) - adjustable using soft touch keyboard.

    Output

    Two relays with single change over potential free contact (5A@230VAC) at the end of the set time.

    RemoteStart/Stop

    Can be provided using potential free contacts.

    Memory Back Up

    Retention of last count value in the event of power failure.

    Supply

    SMPS - 100 to 240VAC, 50/60 Hz.

    Size

    72 x72 x 65 mm.

    Enclosure

    ABS plastic with polycarbonate front.

  • Specification for LSW-72:
  • New Page 1

    Time Resolution

    0.01Sec (10mS), 0.1Sec (100mS), 1 Sec / Min / Hour – user programmable.

    Time Base

    Using high frequency quartz crystal.

    Time Count

    UP counting from 0 time.

    Function/Mode – Programmable

    Stop Watch function to Start the timer, Stop the timer or Reset the Timer using front panel or remote contact switches.

    Set Point

    Single - Adjustable using soft touch keyboard.

    Remote Start/Stop

    Can be provided using potential free contacts.

    Output

    Single relay with single change over potential free contact (5A@230VAC) at the end of the set time.

    Supply

    SMPS - 100 to 240VAC, 50/60 Hz.

    Size

    72 x72 x 65 mm.

    Enclosure

    ABS plastic with polycarbonate front.



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