DE-2B Series offers a tailored solution for precision alignment and angle measurement. Whether you need the foundational reliability of an optical model or the advanced, highly-visible pointing of a green laser Electronic Theodolite DE-2B Choose from a range of models distinguished by their rugged colored housing and advanced laser pointer configurations, all built on a foundation of solid optical and electronic performance. DE-2B Series Theodolites OR Electronic Theodolite DE-2B DE-2BR Theodolite, red casing, lower red laser, upper optical DE-2BY Theodolite, yellow casing, lower red laser, upper optical DE-2BG Theodolite, green casing, lower red laser, upper optical DEL-2BG Theodolite, green casing, lower red laser, upper red laser DEL-2BR Theodolite, red casing, lower red laser, upper red laser DEL-2BY Theodolite, yellow casing, lower red laser, upper red laser DEL-2BGG Theodolite, green casing, lower red laser, upper green laser DEL-2BRG Theodolite, red casing, lower red laser, upper green laser DEL-2BYG Theodolite, yellow casing, lower red laser, upper green laser DE-2B Series Theodolites Specifications Model No. DE-2BR/2BY/2BG DEL-2BR/2BY/2BG DEL-2BRG/2BYG/2BGG Tribrach Model Detachable Detachable Detachable Telescope Imaging Erect Erect Erect Magnification 30X 30X 30X Objective Aperture 45mm 45mm 45mm Resolution 3″ 3″ 3″ FOV 1°30′ 1°30′ 1°30′ Minimum Focus 1.35m 1.35m 1.35m Multiplication/Additive Constant 100/ 0 100/ 0 100/ 0 Length 155mm 155mm 155mm Angle Measurement Measuring Mode Absolute Encoder Absolute Encoder Absolute Encoder Minimum Reading 1″/ 5″ 1″/ 5″ 1″/ 5″ Reading Accuracy 2″/ 5″/ 10″ 2″/ 5″/ 10″ 2″/ 5″/ 10″ Circle Diameter 79mm 79mm 79mm Angle Units 360°/ 400gon/ 6400mil 360°/ 400gon/ 6400mil 360°/ 400gon/ 6400mil Compensator Tilt Sensor Yes Yes Yes Range ±3′ ±3′ ±3′ Laser Plummet Wave Length 635nm Red Beam 635nm Red Beam 635nm Red Beam Power 1mw 1mw 1mw Accuracy (1.5m) ±0.5mm ±0.5mm ±0.5mm Laser Grade ClassⅡ ClassⅡ ClassⅡ Optical Plummet(Optional) Magnification 3x 3x 3x Field of View 5° 5° 5° Focus Range 0.5m—∞ 0.5m—∞ 0.5m—∞ Laser Pointer Wave Length / 635nm Red 520nm Green Power / 5mw 5mw Laser range (Day Time) / 180m 250m Laser Coaxial Accuracy / ≤5″ ≤5″ Laser Spot Diameter / ≤2mm/100m ≤2mm/ 100m Vial Plate Vial 30″/ 2mm 30″/ 2mm 30″/ 2mm Circular Vial 8’/ 2mm 8’/ 2mm 8’/ 2mm Display Dual Face LED Backlight LED Backlight LED Backlight Power Power Resource Li-ion Battery 7.4V 1650mAh Li-ion Battery 7.4V 1650mAh Li-ion Battery 7.4V 1650mAh Working Temperature -20℃～ 50℃ -20℃～ 50℃ -20℃～ 50℃
