Electronic Theodolite DE2A
Features:
l Absolute coding angle measurement system, angle measurement is digital, intelligent, stable and reliable
l Double sided LCD panel, clear display and convenient operation
l High integrated circuit board, high quality IC components, imported CCD sensor to ensure quality
l Steel shafting, imported lubricating grease, metal shell, long service life
l Independent tilt sensor to automatically correct tilt error
l Sealed waterproof telescope
l Coaxial locking screw and fine adjustment screw for easy measurement
l International universal function mode, simple and standard operation
Specification:
Model and Specification | DE2A | ||
Telescope | Image | Erect | |
Magnification | 30x | ||
Objective aperture | 47mm | ||
Field of view | 1°30′ | ||
Shortest viewing distance | 1m | ||
Stadia ratio | 100 | ||
Resolution | 3.75″ | ||
Angle measurement | Angle measurement mode | Absolute angle encoder system | |
Minimum count | 1″/5″/10″/20″ | ||
Angle units | DEG/MIL/GON | ||
Accuracy | 2″/5″/10″ | ||
Display | LCD LCD double sides | ||
compensator | Compensation range | ±3′ | |
Resolution | 1″ | ||
Up laser point | Wavelength | 635nm | |
Laser focusingpoint | 5mm/100m | ||
Deviation between laser focusing point and telescope collimation axis | ≤5″ | ||
Valid optical distance | 150m(Day) | ||
Down Point type | Down Laser plummet | ||
Precision of plate vial | 30″/2mm | ||
Precision of circular vial | 8′/2mm | ||
Working Temperature | -20℃～+50℃ | ||
Power | Battery | Chargeable NiMH battery | |
Voltage | 6.0V | ||
Instrument weight | 6.5kg | ||
Volume | 180mm×166mm×355mm | ||
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