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PRECIMEASURE Exhibiting its Products in AFRICA ELECTRICITY, 15-17 November 2011, Gallagher Convention Centre, Johannesburg, SOUTH AFRICA. STAND No.: D19

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For Oil Cooled Transformers

This scheme is used to Indicate Oil & Winding Temperature of the oil-immersed transformers. It will indicate the corresponding oil & winding temperature and control as per settings. This has independent 4-20 mA DC signal outputs for OTI&WTI and RS-485 communication are available for connection to DAS / SCADA.
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Model 2243

Digital Temperature Indicator and Controllers are used for Measuring and Controlling the Oil Temperature and Winding Temperature of Oil cooled Transformers.

This Scheme Consists of:

  • Pt-100 Sensor
  • Electronic temperature Controller
  • Thermometer Pocket (Optional)

    • Temperature Sensor
    RTD (Pt-100 DIN 43760)
    No. of sensor inputs
    One
    Range
    0-150°C
    Resolution
    0.1°C
    Accuracy
    ±1°C
    Display
    4 Digit Seven Segment LED’s for displaying OTI And another 4 Digit for WTI
    Communication
    RS-485 (Optional)
    Overall Dimension
    215(H) x 265(W) x 130(D) mm
    Enclosure
    IP-55, Aluminum Pressure Die-casted, powder coated all side Enclosure with acrylic Viewing window
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    Model 2243
    No. of Contact for OTI
    Two Independent Output Relays for Alarm and Trip.
    No. of Cintacts for WTI
    Four Independent Output Relays for Alarm, Trip, Fan1 and Fan2
    Contact Rating
    5A at 240VAC / 5A at 30VDC Resistive Load
    Switch Contact Type
    1 Changeover SPDT Relay Contacts
    Supply Voltage
    90-260V AC/DC
    CT Sec Current Input for WTI
    5A Maximum
    Analogue Outputs
    Two Independent 4-20mA Outputs for OTI & WTI
    Terminals
    Screwed Caged suitable for one 2.5 SQ.mm wire
    Power Consumption
    8 Watts (Max.)
    Insulation Resistance
    IR More than100Mohm when measured with 500V DC Megger
    High Voltage
    2KV RMS at 50/60 Hz for1minute, Between All Terminals to Earth
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    Model 2220-R1

    This scheme is used to indicate Oil / Winding Temperature of oil-immersed transformers in remote control room. This has got Analog outputs of 4–20 mA DC Proportional to the Temperature Range which can be used for Data Acquisition System or Recorder.

    This Scheme Consists of:

    • Pt-100 Sensor
    • Current Converter Unit
    • Remote Indicator
    • Thermometer Pocket (Optional)

      • Temperature Sensor
      RTD (Pt-100 Sensor, Class-B, DIN 43760)
      No. of sensor inputs
      One
      Range
      0-150 °C (Other Ranges on Request)
      Resolution
      0.1 °C (Remote Indicator)
      Accuracy
      ±1% of F.S.D
      Remote indicator Display
      3 ½ Digits, 7 segment LED display
      Enclosure - CCU
      IP-55, Aluminium casting, Powder coated all side
      Enclosure - Remote Indicator
      IP-40, DIN Box
      Download PDF
      Model 2220-R1
      Supply Voltage
      90-260 V AC/DC
      CT Sec Current Input for WTI
      5A Maximum
      Analogue Output
      4–20mA DC Corresponding to temperature
      Click Here for Enquiry
      Model 2220-R2

      This scheme is used to indicate Top Oil Temperature / Winding Temperature Indicator of oil-immersed transformers in remote control room. 2 Nos. of 4–20 mA DC Signal outputs Proportional to the Temperature Range. Output-1 shall be connected to Remote Indicator and Output-2 shall be connected to Data Acquisition System or Recorder.

      This Scheme Consists of:

      • Pt-100 Sensor
      • Current Converter Unit
      • Remote Indicator
      • Thermometer Pocket (Optional)

        • Temperature Sensor
        RTD (Pt-100 Sensor, Class-B, DIN 43760)
        No. of sensor inputs
        One
        Range
        0-150°C (Other Ranges on Request)
        Resolution
        0.1 °C (Remote Indicator)
        Accuracy
        ±1% of F.S.D
        Remote indicator Display
        3 ½ Digits, 7 segment LED display
        Enclosure - CCU
        IP-40, DIN Box
        Enclosure - Remote Indicator
        IP-40, DIN Box
        Download PDF
        Model 2220-R2
        Supply Voltage
        90-260 V AC/DC
        CT Sec Current Input for WTI
        5A Maximum
        Analogue Output
        4–20mA DC Corresponding to temperature
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