0Measurement Specialists, Inc. - The Load Cell Source

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The Load Cell Source

1-800-899-9988

690 Discovery Dr. N.W.,   Huntsville, AL      35806

 


link to Measurement Specialists' home page clear Summing
Junction Box
Link to Load Cell catalog
Link to Technical Tips
Ask us for solutions to your Application.
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National Scales' Summing Junction Box-
Model SJB

Design Features

  • Quick load cell signal isolation via switching.
  • Independent offset and trim adjustment.
  • Quick load cell disconnect.
  • Convenient signal test points.
  • Switched shunt calibration resistor.
  • Expansion / Option port.
  • Typical excitation burden is less than 140 microamps@ 10Vdc. excitation.
  • Offset adjustment (zero) range is +/- 30 mVdc.
  • Typical @ 10Vdc. excitation.
  • Signal trim (span) range is from 1% to approximately 50%.
  • End to end resistance for excitation is less than 10 milliohms.
  • End to end resistance for signal is 1 Kohm.
  • Signal loss is less than 200 nanovolts (span disabled).
  • Temperature coefficient less than 200 ppm per º C each circuit.

For more information, or special pricing, contact us at
sales@measurespec.com


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Applications include:
Process Control, System Integration, Agricultural, Food Processing, Parts Counting, General Industrial Weighing.


Summing Junction Box Schematic
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  • High Impact ABS sealed to IP65 (NEMA 4).
  • Light grey color.
  • Cover is retained by 1/4 turn captive stainless steel fasteners and sealed by continous neoprene gasket.
  • Bulkhead mounting holes(1/4") are located under cover.
  • Six nylon IP68 cable glands are installed which accept cable diameters from 5mm to 10mm.
  • Other cable gland sizes are available.
  • A diecast aluminum version is also avaiable for rough service and EMI/RFI shielding.

Check our Technical Tips for  notes on Summing Junction Box  installation, wiring, etc.

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