Product overview: The innovative dual-frequency laser interferometer of sams-100 type, the laser doppler shift measurement system is a combination of the innovative doppler laser measurement technology and the most advanced optoelectronic technology of the optical company, which is an innovation of the laser measurement system, mainly used for linear measurement such as length (position) accuracy. Main features: High precision; Easy to use; Compact and compact; With a super cost performance. Main technical parameters: Laser stability: 0.1 PPM Measurement accuracy: 1ppm (depending on environmental compensation) Resolution: 0.01 m Measurement range: 0-15 m Maximum speed: 1000mm/ s. Output: computer USB interface. Temperature range: 50 to 95 ° F (10 to 35 DHS C). Altitude: 0 to 10,000 feet (0 to 3,000 m) Humidity: 0 to 95 % (non-condensable) Power requirements: 90-230 V, 47-63hz, 100W Temperature and atmospheric pressure compensation: manual entry