Weschler Instruments – Manufacturer & distributor of measurement & control equipment
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 All Categories    BG Series Circular BarGraphs
Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
All Categories > Bargraph Meters > BG Series Circular BarGraphs 
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BG Series Circular BarGraphs


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BG Series Circular BarGraphs

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The Weschler BG Series Circular BarGraphs include the BG241, BG251, BG261 and BG281. The panel footprint, shape and mounting meets direct retrofit applications for 4 1/2" and 8 1/2" switchboard meters, as well as 6" and 8" pressure gauge meters. The electronics housing is identical for both sizes.

Bars are available in red, green or amber for easy viewing. Weschler BarGraphs combine the visual indication of an analog gauge with the precision of a digital instrument.

Digital displays are available with either 3 1/2 or 4 1/2 digit resolution. The 101 segment bar gives the operator a quick view of the measured signal and the control setpoints. Separate setpoint LEDs provide an added visual indication of control/alarm status. Signal direction is shown by two trend arrows Setpoints and other parameters are easily entered from the front panel.

Weschler BarGraph instruments can be configured for a wide range of input signals. Retrofit sizes are available for most panel and switchboard meters in use today. These instruments satisfy the high quality standards of the utility, OEM and process industries.

Features
  • High resolution 101 segment LED bar array
  • 3 1/2, 4 1/2 or 5 digit display with resolution to 0.01%
  • Programmable functions
    Zero point location, Setpoint location, Hysteresis (setpoint, trend), Span and zero, Digital display for engineering units, Enable/disable front buttons, I.D. selection for communication
  • Form-C relay outputs

  • Normally Open
    • 5A, resistive at 250V AC
    • 5A, resistive at 28V DC
    Normally Closed
    • 3A, resistive at 250V AC
    • 2A, resistive at 28V DC
  • Peak and Valley hold
  • Trend indication for signal direction
  • Communication
    RS-232, RS-485, SCADA, DCS
  • Analog retransmit
    4-20, 10-50, 0-1mA DC
    1-5, 0-1, 0-5V DC
  • Retrofit sizes for:
    GE/Yokogawa AB/DB40 4 1/2" and AB/DB16 8 3/4" switchboard meters; Crompton 075/077 4 1/2" and 8" switchboard meters Ashcroft, Heise 6" and 8" gauges; Dixson BW051/P, Weschler K241
  • Versatile selection of inputs
    DC – Up to 5A & 250V
    AC – Up to 5A & 250V
    Thermocouple – J, K, T
    RTD – 10ohm Cu or 100ohm Pt
    Power – Watts, VARS, power factor, phase angle
    Frequency – Line or mag pickup
    Process Control – ma, V



 DOWNLOADS 

 width= BG Series Circular BarGraphs Brochure
(PDF, 348KB)

 width= Weschler Bargraph Selector Guide
(PDF, 147KB)