Protmex Digital Tachometer, 50-19999 RPM Contact Tachometer, 100 Groups Data Store Handheld Speed Meter with Backlight, Max/Min/AVG RPM Rotation Speed Gauge, PT6208A (Batteries Included) Contact Digital Tachometer Size:Contact Digital Tachometer the error range is between

the error range is between 1-3mm

Package Include4 x Sliver Cabinet Hinges with 32 x Mounting Screws

Compatible with MDF Spoilboard with 6mm(0

much larger than mounting holes

wood boards and other materials are insulators or weakly conductive

Protmex Digital Tachometer, 50-19999 RPM Contact Tachometer, 100 Groups Data Store Handheld Speed Meter with Backlight, Max/Min/AVG RPM Rotation Speed Gauge, PT6208A (Batteries Included) Contact Digital Tachometer Size:Contact Digital Tachometer the error range is betweenProtmex Digital Tachometer, 50 19999 RPM Contact Tachometer, 100 Groups Data Store Handheld Speed Meter with Backlight, Max Min AVG RPM Rotation Speed Gauge, PT6208A (Batteries Included) Protmexs Story PROTMEX offers a high tech enterprise that concentrates on research, development, production manufacture, and sales. We manufacture and sell professional measurement instruments, such as Infrared Thermometers, Anemometers, Sound Level Meters, Humidity,