Description
features: * fast and accurate contact or non-contact rpm and surface speed measurements of rotating objects * offers 3 measurement options: photo/laser, contact and surface speed * 5 digits 18mm (0.6") lcd, high visible and backlight display * automatically switch the detect range * 5 digits 18mm (0.6") lcd * accuracy: ±(0.05%+1 digit) * sampling time: 0.5sec(over 120rpm)* range select: auto-ranging * test base: 6mhz quartz crystal * detecting distance: 50~500mm * power consumption: approx 45ma * measuring range: * photo tach: 2.5~99,999rpm * contact tach: 0.5~19,999rpm * surface speed: 0.05~1,999.9(m/min) * resolution: * photo tach: 0.01rpm(2.5~999.99rpm) * 0.1rpm(1,000~9,999.9rpm) * 1rpm(over 10,000rpm) * contact tach: 0.01rpm(0.5~999.99rpm) * 0.1rpm(1,000~9,999.9rpm) * 1rpm(over 10,000rpm) * surface speed: 0.01m/min(0.05~99.99m/min) * 0.1m/min(over 100m/min) * package includes: * 1 * tachometer* 1 * user manual