background image

O.D.

I.D.

H

BLACK -EXC
GREEN +OUT
WHITE -OUT

CABLE

HOW LOAD CELLS WORK

Load cells have an output or sensitivity in mV/V. What this sensitivity/output represents is as follows:

Change in millivolt output
from zero load to the full
scale capacity of the load cell
(21.3 mV in this example)
No load cell has exactly zero millivolts at no load. Most cells have a small millivolt DC offset of a few millivolts
which is normal. To scale a system the end user just scales his recorder/meter for a full scale change of (21.3 mV
per example), and connects the load cell in a no load situation and rezeros the pens/display for a correct zero
reading.

DIMENSIONS

INSTALLATION SCHEMATIC

WIRING DIAGRAM

TYPICAL EXAMPLE

RADIUS

BUTTON

LOAD CELL

BUTTON

H

H

T

BOLT

LOAD CELL

FLAT WASHER
(NOT INCLUDED)

SPHERICAL
WASHER SET

STRUCTURE

10 VDC REGULATED 
POWER 

S

UPPLY 

WA

S

HER 

LOAD CELL 

METER 

GREEN (+

S

IG)

BLACK (–EXC) 

RED (+EXC) 

WHITE (–

S

IG)

– 

– 

= output/sensitivity   x   excitation

(2.13 mV/V)

(10.0 VDC)

BOLT

FLAT WASHER

SPHERICAL WASHER

LOAD CELL

STRUCTURE

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