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The FOWLER 54-422-550-0 is a digital angle protractor designed for precise angular measurement in fabrication, machining, pipefitting, carpentry, and general trade layout work. It delivers a full 360-degree measuring range with a resolution of 0.01 degrees and an accuracy of 0.02 degrees, making it suitable for applications where tight angular tolerances matter. The unit features a super large 18mm backlit display for clear readout in low-light environments such as mechanical rooms or jobsite interiors. A built-in magnetic base allows secure, hands-free positioning on ferrous surfaces during measurement.
This protractor is intended for use by machinists, pipefitters, sheet metal workers, HVAC technicians, and other trade professionals who require reliable angle measurement during layout, fabrication, or installation. It ships with a 6-inch straight edge that includes a beveled edge and 1/64th-inch graduations, extending its utility for direct linear layout work alongside angle measurement. The rechargeable battery eliminates the need for replacement batteries during regular use.
Designed as a general-purpose digital angle protractor suitable for trade and industrial measurement applications requiring full 360-degree angular measurement capability.
This instrument requires no installation but should be handled according to standard metrology practices. Keep the measuring surfaces and magnetic base clean and free of debris before use to maintain accuracy. Do not expose the unit to excessive shock, vibration, or fluids that could damage the electronic components. Calibration should be verified periodically against a known reference angle, especially after the unit has been dropped or subjected to impact.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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