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Collimator vs errProof

A side-by-side look at Collimator and errProof. For an in-depth review of either product, follow the links below.

Collimator

Collimator

Science & Engineering

A collimator is a device that narrows a beam of particles or waves. It can be used to align beams or filter out unwanted particles.

opticsphysicsalignmentfiltering
errProof

errProof

Office & Productivity

errProof is a data validation and error prevention tool for Microsoft Excel. It helps ensure accurate data entry by defining validation rules, conditional formatting, input masks, and drop downs.

data-validationerror-preventionexcel-addin