| Customization: | Available |
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| Function of Measurement: | Reflectorless Total Station |
| Range Finding: | 4000m |
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| Model | ES-52 | |
| Spyglass | ||
| Magnification/resolution | 30X/2.5" | |
| Other | Tube length: 171mm, objective aperture: 45mm(EDM:48mm), imaging: positive Field of view: 1°30(26m/1,000m), minimum focal length: 1.3m, backlight brightness: level 5 |
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| Angle measuring unit | ||
| Minimum display | 1"/5" | |
| Angle measurement accuracy(ISO17123-3:2001) | 2" | |
| Biaxial compensator/collimation correction | liquid biaxial tilt sensor, compensation range ±6'/ collimation correction | |
| Ranging department | ||
| Laser output grade | No prism: 3R, prism/reflector: 1 | |
| Range (under general meteorological conditions) : non prism | 0.3~350m | |
| Reflector | RS90N-K:1.3~500m RS50N-K:1.3~300m RS10N-K:1.3~100m |
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| Micro prism | Prism-5:1.3~500m | |
| Single prism | Prism-2:1.3~4,000m | |
| Minimum display | fine test/quick test:0.001m Tracking test:0.01m |
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| Range accuracy(ISO17123-4:2001): prism-free | (3+2ppm×D)mm*6 | |
| Reflector | (3+2ppm×D)mm | |
| Prism | (2+2ppm×D)mm | |
| Measurement time | Fine test:0.9s,quick test:0.7s,tracking test:0.3s | |
| Interface and data management | ||
| Display/Keyboard | Adjustable contrast, 192×80 dot-matrix LCD graphic display with backlight / 25 keys with backlight (alphanumeric keyboard) |
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| Operation panel | double-sided | |
| Trigger key | Right side of the instrument, one click trigger | |
| Data storage | About 10,000 points | |
| Interface | RS-232C serial port | |
| other | ||
| Laser pointer | Coaxial red EDM laser beam | |
| A level: Graphic level | ±6'(inner circle) | |
| Circular level | 10°/2mm | |
| Optical centering device | Magnification: 3X, minimum focal length: 0.3m(from base) | |
| Dustproof and waterproof rating | IP66(ICE 60529:2001) | |
| Operating temperature | -20~+60ºC | |
| Size (including handle) | 177mm(W)×181mm(L)×348mm(H) | |
| Weight (including handle and battery) | 5.4kg | |
| Power supply system | ||
| Batteries(BDC46C standard ) | Rechargeable li-ion battery | |
| Working time | about 15 hours (angular interval: 1 time /30s) | |
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