WARRANTY EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.
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5. If the RPM value is < 50, apply additional pieces of reflective tape (four pieces are shown below). Divide the LCD reading by the number of reflective tapes to compute the actual RPM (Actual RPM = Reading / 4). Light source and reflection Photo Tachometer Reflective tape Rotating object Model 461893 Ver. 1.3 Oct. 2002...
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