... ZYT-0050-1 / 2 series High temperature laser distance measure device have IP66 heavy industry protection grade ,and the optional protective ... , dust, air cooling, water cooling and quickly change device of window,which can ensurethe instrument be used safely and ... Laser divergence angle 0.6mrad Weight 2Kg Laser level 2 Data interface RS232/RS422 Protection grade IP65,Aluminum shell Analog ...