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Tester

DOT Code: 730.684-086

Industry: musical inst.

Tests pitch of reed and brass instruments by sounding note and observing effect on stroboscope: Sets dial on stroboscope to note to be tested. Plays note on musical instrument into microphone connected to stroboscope. Observes whether revolving lights on stroboscope appear to stand still, indicating correctness of pitch, or move slowly to right or left, indicating sharp or flat. Pushes or pulls tuning slide or pulls out mouthpiece to adjust instrument until exact pitch is obtained. Rejects defective instruments. Tests accuracy of stroboscope by striking standard pitch chime and noting indicator.

GOE: 06.03.02 STRENGTH: L GED: R3 M2 L2 SVP: 6 DLU: 77