load cell junction box

SJB-4 Series Load Cell Junction Box – Stainless Steel Enclosure



Combine up 2-4 load cell inputs in parallel, includes corner trim adjustment.

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The SJB-4 series load cell junction boxes are housed in a stainless steel enclosure sealed to IP65.  Available in signal trim or excitation trim and with optional surge protection.  This load cell j-box is used to combine the signals from 2-4 load cells and output an average millivolt signal to the connected load cell electronics.

Excitation Trim Junction Box:
Pros:  Possible to trim the individual load cells outputs with a multi-meter allowing Load Cell Systems to pre-calibrate your weighing system.
Cons:  More difficult to setup in the field using test weights, or when replacing a damaged load cell.

Signal Trim Junction Box:
Pros:  Easier to adjust the corners using test weights when installing and calibrating the load cell system in the field or when replacing a load cell.
Cons:  Does not allow setup without test weights being applied to the scale.

Note: When weighing self leveling materials such as liquids the corner adjustment is not necessary, although it is still required to do a calibration of the system.

See our article about the advantages of a digital load cell junction box.


Additional information

2-4 Load Cell J-Box Variations

SSJB-4 / Signal Trim, SSJB-4-SP / Signal Trim – Surge Protection, ESJB-4 / Excitation Trim, ESJB-4-SP / Excitation Trim – Surge Protection


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