KEP meter ES-747 Flow Computer for Liquid and Gas Applications - Wiratama Mitra Abadi | Industrial Equipment

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13.1.21

KEP meter ES-747 Flow Computer for Liquid and Gas Applications




The ES-747 Flow Computer satisfies the instrument requirements for pulse producing flowmeters in liquid and gas applications. Multiple flow equations and instrument functions are available in a single unit with many advanced features. The alphanumeric display shows measured and calculated parameters in easy to understand format. Single key direct access to measurements and display scrolling is supported. The versatility of the ES-747 permits a wide measure of versatility within the instrument package. The various hardware inputs and outputs can be “soft” assigned to meet a variety of common application needs. The user “soft selects” the usage of each input/output while configuring the instrument.

The isolated analog output can be chosen to follow volume flow, corrected volume flow, mass flow, temperature, pressure or density by means of a menu selection. Most hardware features are assignable by this method. The user can assign the standard RS-232 Serial Port for data recording, transaction printing, or for connection to a computer. Front panel selection of fluid type is supported. Linearization options include UVC, Strouhal/Roshko and 40 point linearization tables. A Service or Test mode is provided to assist the user during startup system check out by monitoring inputs and exercising outputs
and printing system setup.

Features

  • Supports Pulse Producing Flowmeters
  • Rate/Total and Batching Functions
  • Universal Viscosity Curve (UVC) and Strouhal/Roshko Advanced Linearization Methods
  • Gas & Liquid Flow Equations (Volume, Mass, Corrected Volume)
  • API 2540, AGA-7 Equations
  • 10 Selectable Fluid Tables
  • Advanced Batching Features: Overrun Compensation, Print End of Batch
  • Menu Selectable Hardware & Software Features
  • Data Logging
  • Two Line LCD, OLED or VFD Display
  • Isolated Pulse and Analog Outputs Standard
  • RS-232 Port Standard, RS-485 Optional
  • Windows™ Setup Software
  • DDE Server & HMI Software Available

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Specifications

Flow Meters and Computations

  • Meter Types: Supports pulse producing meters including: vortex, single rotor turbine, magnetic, PD flowmeter
  • Linearization: 40 point table, UVC table or Strouhal/Roshko
  • Computations: Volume, Corrected Volume & Mass
    Fluid Computations: Density, Viscosity

Environmental

  • Operating Temperature: 0°C to +50°C
  • Storage Temperature: -40°C to +85 C
  • Humidity: 0-95% Non-condensing main supply voltage
  • Materials: U.L. approved

Listing

CE Compliant, UL/CUL Listed

Display

  • Type: 2 lines of 20 characters
  • Types: Backlit LCD or OLED or VFD
  • Character Size: 0.2” nominal
  • User-programmable label descriptors and units of measure

Keypad

  • Keypad Type: Membrane Keypad with 16 keys
  • Keypad Rating: Sealed to NEMA 4X / IP65

Enclosure

  • Size: See Dimensions at the datasheet
  • Depth behind panel: 6.5” including mating connector
  • Type: DIN
  • Materials: Plastic, UL94V-0, Flame retardant
  • Bezel: Textured per matt finish

Real-Time Clock

  • The MS-747 is equipped with a battery-backed real-time clock with a display of time and date.
    Format:

12 or 24 hour time display
Day, Month, Year date display

Power Input

  • The factory equipped power option is internally fused. An internal line to line filter capacitor and MOV are provided for added transient suppression.

110 VAC Power: 85 to 127 Vrms, 50/60 Hz
220 VAC Power: 170 to 276 Vrms, 50/60 Hz
DC Power:

12 VDC (10 to 14 VDC)
24 VDC (14 to 28 VDC)

  • Power Consumption:

AC: 11.0 VA (11W)
DC: 300 mA max.

Pulse Inputs:

  • Number of Flow Inputs: one with or without quadrature Input Impedance: 10 KΩ nominal
  • Pullup Resistance: 10 KΩ to 5 VDC (menu selectable)
  • Pull Down Resistance: 10 KΩ to common
  • Trigger Level: (menu selectable)

High-Level Input

Logic On: 3 to 30 VDC
Logic Off: 0 to 1 VDC

Low-Level Input (mag pickup)

Sensitivity: 10 mV or 100 mV

  • Minimum Count Speed: Menu selectable
  • Maximum Count Speed: Menu Selectable: 40Hz, 3000Hz or 20 kHz
  • Overvoltage Protection: 50 VDC

More Info Check Data Sheet: KEP meter es747

Reference: https://kepmeters.com/

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