NEMA 4X Large Display Batcher


The Tek-Batch 7900B satisfies the instrument requirements for a variety of flow meter types in liquid batching applications. Multiple flow equations and instrument functions are available in a single unit with many advanced features. The large digit 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 LDB permits a wide range of functions within the instrument’s attractive wall mount 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.

  • Large Digit LCD Display
  • Rate/Total and Batching Functions
  • Advanced Batching Features: Overrun Compensation, Print End of Batch, Slow Start of Batch Fill, Slow End of Batch Fill, 2 Stage Batching
  • Advanced Printing Capabilities
  • “EZ Setup” Guided Setup for First Time Users
  • Menu Selectable Hardware and Software Features
  • Isolated Pulse, Analog and Relay Outputs Standard on AC Powered Models
  • RS-232 Port Standard, Modbus RTU RS-485 Optional
  • Windows™ Setup Software
  • On Board Data Logging
  • DDE Server & HMI Software Available
  • Environmental Compliance Monitoring and Report Generation
  • Enhanced Modem Features for Remote Metering
Flow Meters and ComputationsMeter Types: All linear and square law meters supported including: vortex, turbine, magnetic, PD, target, orifice, venturi, v-cone, coriollis and many others.
Linearization: Square root, 16 point table or UVC table Computations: Volume, Corrected Volume and Mass.
Fluid Computations: Temperature, Density, Viscosity and API 2540 for petroleum.
Operating Temperature0 °C to 50 °C
Storage Temperature-40 °C to 85 °C
Humidity0-95% Non-condensing
Extended TemperatureLevel display flashes to 699 FT 11 15/16 IN Volume display flashes 9999999 if over range
Listing DisplayUL/C-UL Listed (File No. E192404), CE Compliant, Type: 2 lines of 20 characters, Types: Backlit LCD, Character Size: 0.35” (8.3mm) nominal user programmable label descriptors and units of measure
KeypadKeypad Type: Membrane Keypad with 16 keys
MaterialsPlastic, UL94V-0, Flame retardant Bezel: Textured per matt finish
Real Time ClockThe Tek-Batch is equipped with a battery backed real time clock with display of time and date.
Format: 12 or 24 hour time display; Day, Month, Year, date display
Power InputThe 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: 2 VDC (10 to 14 VDC), 24 VDC (14 to 28 VDC)
Power Consumption: AC: 11.0 VA (11W), DC: 300 mA max.
Accuracy0.02% FS at 20 ° C
RangesVoltage: 0-10 VDC, 0-5 VDC, 1-5 VDC, Current: 4-20 mA, 0-20 mA
Basic Measurement Resolution16 bit
Update Rate4 updates/sec
Automatic Fault DetectionSignal over/under-range, Current Loop Broken
CalibrationSoftware Calibration (no trimmers) and Auto-zero Continuously
Extended CalibrationLearns Zero and Full Scale of each range using special test mode.
Fault ProtectionReverse Polarity: No ill effects
Over-Voltage Limit: 50 VDC Over voltage protection
Over-Current Protection: Internally current limited protected to 24VDC

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