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4 -20MA LOOP POWERED DISPLAY

  • Mã sản phẩm:

    STR215
  • Loop powered display for the EVOMINI series temperature transmitters

    4 digit display designed to be connected to the evomini series loop powered temperature transmitters; it requires no auxiliary power and is supplied directly from the measured current. The measured values are scalable and the programmation is done by the 3 integrated buttons key. The display has a compact, standardized
    design and it fits into a standard 22.5mm borehole for signal lamps.

    TECHNICAL DATA

     

    Power supply
     
    from loop current
     
    Signal
    4 ÷20 mA
    PCB input range
    3,8 ÷22,5 mA (guaranteed up from 3.2 to 25 mA)
    Voltage drop (I=20mA)
     
    = 7 V
     
    Input resistance
     
    = 200 O
     
    Accuracy
     
    0,2 % vfs + 1 digit
     
    Type of display
     
    4 digit (segment red), height 14 mm
     
    Input signal sampling
     
    1 sample/second
     
    Protection class (*)
    (*) Protection class
    III
     
    Ambient tightness degree (*)
    (*) in accordance with IEC 60529
    Front panel IP65
     
    Rear IP20
     
    Dimensions
     
    48 mm x 26 mm x 65 mm
     
    Weight
     
    abaut 30 gr
     
    Operating and storage conditions
     
    Operating temperature: -30 ÷ 70°C
     
    Storage temperature: -40 ÷ 80°C
     
    Humidity: >80% (non condensing)
     
    Other characteristics
     
    3 keys for the programmation
     
    Password protection to prevent unauthorised changes of settings
     
    Display alarm for values outside the specified range (Hi, Lo)
     
    Calculation of the square root
     
    Damping of the measured signal (filter time programmable)
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