Laser surveying instruments, Jinke instrumentation (certified), surveying instruments provided by the Instrument Co., Ltd. Qingdao Branch. Qingdao Branch of the Instrument Co., Ltd. (www.qdjk17.com) is specialized in the "mapping equipment, analytical instruments, testing equipment, flow meters, optical instruments, temperature instruments," the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Li Yongjie. Laser rangefinder to use: direct measurement of distance: first press the laser (be careful not facing the eye) mapping equipment wholesale, targeting and then click to complete the distance measurements. Indirect measurement of distances: can indirectly measure the height of the front wall of the Pythagorean theorem. Measured area / volume: Use the space calculation function can easily calculate the area and volume of space. Splash measure: Thanks to IP54 protection class design mapping equipment factory, allowing you to operate freely in the construction site, a variety of harsh environments. Chinese patented manufacturing, outstanding shock resistance; sealed waterproof construction, suitable for all-weather use; X-type hanging wire air damper compensation; damping brake mechanism of micro-level system; prism circular level viewing window. Widely used in construction, engineering supervision, decoration, elevator engineering, water supply and drainage, air decontamination, fire electrical engineering, swimming pool construction, engineering and other recreational facilities. Instrument parameters and models to measure the standard deviation per km Minimum sight distance magnification objective lens diameter FOV line of sight by a constant line of sight Additive constant Anping precision instrument range compensator type circular blisters precision dial dividing the value of water level tripod link DS- 321.0mm0.65m Just 32 x42mm1 ° 20'1000 ± 4 "± 15'X type hanged air damper 8 '/ 2mm1 ° or 1gonIP4M16 or 5/8"