LDM-100: Laser Distance Meter Laser Distance Meter à¤Ã×èèͧÇÑ´ÃÐÂРẺáʧàÅà«ÍÃì LDM-100: Laser Distance Meter à¤Ã×èͧÇÑ´ÃÐÂÐ MAX 50m , Measures from 2" to 164' (0.5 to 50m) Laser measurement accurate to 0.06 inches at 32 feet Features: Measures from 2" to 164' (0.5 to 50m) Historical Storage recalls the previous 20 records (measurements or calculated results) Automatically calculates Area and Volume Indirect measurement using Pythagorean theorem Continuous measurement function with Min/Max distance tracking updates every 5 seconds Addition/Subtraction, Front or rear edge reference Low battery indicator, Auto power off Complete with carrying case and 2 AAA batteries Specifications: LDM-100 Measuring Range 0.05 to 50m(0.15ft to 164ft) Measuring accuracy(2σ) Typically: ±1.5 mm(± 0.06 in) Smallest unit displayed 1mm Measuring units m,in,ft Measuring units Class II 635nm,<1mW Measuring units IP 54 History measurement records 20 Keyboard Type Soft-Touch Keypad Operating Temperature 0°C to 40°C(32°F to 104°F) Operating Temperature -10°C to 60°C(14°F to 140°F) Battery Life Up to 4,000 measurements Batteries 2x 1.5V, Type AAA Auto. laser switch-off after 0.5 min Auto instrument switch-off after 3 min Size(HxWxD) 115mm x 48mm x 28mm Weight 135g CEM Distance Distance Meter LDM-100 ÇÑ´ÃÐÂÐ ÇÑ´ÃÐÂзҧ à¤Ã×èͧÇÑ´ à¤Ã×èͧÇÑ´·Ò§ à¤Ã×èͧÇÑ´ÃÐÂÐ