NEIKO 20713A Digital Tachometer, Noncontact Laser Photo Sensor with 2.5 to 99,999 RPM Accuracy, RPM Gauge Marker with Batteries Included: Digital Tacometer For Measuring: Amazon.com: Industrial & Scientific
SKF TKRT 10 Handheld Laser Tachometer - Contact or Non Contact Tach Modes
Amazon.com: Handheld Digital Laser Tachometer Non-Contact RPM Meter Motor Speed Gauge Gun Measuring Range: 2.5-99999RPM : Industrial & Scientific