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产品介绍
Extech 461920 计数器
Extech Instruments - 461920 - Mini Laser Photo Tachometer Counter Extec
461920
Provides noncontact rpm measurements up to 20" from target. Rugged, double-molded housing provides better grip. This listing is for each. See other products in some related categories (click to browse): Industrial & Scientific > Installation Test & Maintenance > Test Equipment > Nonelectrical Properties Testing Technical Specification Item Laser Tachometer Contact / Noncontact Noncontact Noncontact RPM Range 2 to 99, 999 RPM Accuracy +/-0.05% Working Distance 1.6 ft. Working Angle +/-45 Degrees RPM Resolution 0.100 Light Source Laser Display 5 Digit LCD Memory Last/Min/Max Features Last Reading Hold, Min/Max Indicator On Target Standards Class 2 Laser Calibration Certificate Available Separately Includes 9V Battery, 24" (600mm) Reflective Tape and Instructions