TOPCON Digital Theodolite DT-309LF DT-309LF 1 unit

Catalog number: DT-309LF Features: ●Long-term use (250 hours) is possible. ●Can be used for one month if used daily. *When measuring angles for 8 hours a day with the DT-309LF ●Optional Li-Ion battery can be used for even longer. *Charger CDC77 and power cable EDC113 (both sold separately) are required for charging. ●Higher quality using parts common to total stations. ●Laser pointer with focus function for pinpoint aiming. ●JIS protection class IP66, environmental resistance that can withstand sand, dust and heavy rain. Applications: ●Digital theodolite for measuring lines and angles. Specifications: ● Magnification (times): 30 ● Minimum focusing distance (m): 1.0 ● Minimum display: 20" ● Power supply: 4 AA alkaline batteries (sold separately) ● Protection class: IP66 ● Detection method: Horizontal angle: one side Vertical angle: one side ● Image: positive ● Field of view: 1°30' ● Wavelength (nm): 633 ● Laser safety standard: Class 2 ● Reach (m): 50 ● Magnification: 30x ● Power supply (V): 4 AA alkaline batteries (sold separately) ● Protection class: IP66 ● Laser section Emitting light source: Visible semiconductor laser ● Laser section Laser safety class / wavelength / output: Class 2 / 633nm / 0.6mW ● Laser section Reach (daytime, on a clear day): 50m ● Laser section Spot diameter (mmφ): 5m / 0.2, 20m / 0.8, 50m / 2.0 ● Telescope section Effective diameter: 45mm ● Angle measurement section Display unit: 20" (fixed), ：3.0mm、3.5mm、6.5mm、8.5mm、10.5mm、12.5mm、14.5mm、16.5mm、18.5mm、10.5mm、12.5mm、16.5mm、18.5mm、10.5mm、12.5mm、16.5mm、18.5mm、10.5mm、12.5mm、16.5mm、18.5mm、16 ...