Typical belt scales
Difficult installation
1-2 day installation, requiring the fitting of the scale into the conveyor bracing,
running wire from the integrator out of the conveyor and test weights for calibration.
|
Moving parts
Multiple moving parts that often fail and/or are subject to damage.
|
Susceptible to damage
Blown load cells due to exposure and maintenance are a common occurrence.
|
Rigorous maintenance
Rigorous maintenance is essential; not well suited to the harsh quarry environment.
|
Inaccurate
Theoretically accurate, however this accuracy is never realized in the real aggregate
world.
|
|
Etheridge Software ScalesTM
Easy installation
1-2 hour installation, requiring a sensor to be installed in the starter and run
to the integrator in the same MCC. Calibration is completed with the push of a button.
|
Zero moving parts
Nothing mounts to the conveyor.
|
Safe from damage
No exposed parts on conveyor eliminates risk.
|
No maintenance
No maintenance required; designed for the quarry environment.
|
Very accurate
2.5% accuracy in practice. No loss of accuracy over time.
|
|