Digital Theodolite De2a

The DE Series model numbers that reflect angle accuracy and have common features. All models have dual displays, and a detachable tribrach. The DE2A has 2", the DE5A has 5", and the DE10A has 10"angle accuracy. Horizontal and vertical angles can be observed simultaneously on the large 2 line, back-lit LCD displays. Other standard features include a horizontal angle zero set, automatic power off to conserve batteries, and a battery life indicator on the LCD display.FEATURE:1. Incremental code system is adopted and two sides of LCD display plates can save power and display clearly.
2. High integrated electronic boards and all famous IC elements are high quality.
3. Steel axes imported lubricating oil and metal shell are adopt
ModelDE2A/BDE5A/BDE10A/BTelescopeLength165mm165mm165mmObjective lens apertureφ 45mmφ 45mmφ 45mmMagnification30x30x30XImageErectErectErectField of view1° 30'1° 30'1° 30'Resolving power3.3' '3.3' '3.3' 'Shortest sighting dictance1m1m1mAdditive constant000Stadia proportion constant100100100Angle measurementMinimum reading1' ' /5' '1' ' /5' ' /10' '1' ' /5' ' /10' ' /20' 'accuracy2' '5' '10' 'DisplayDisplay modeDouble sides displayDouble sides displayOne sideilluminiationProvideProvideProvideCompensatorTilt sencorA Provide / B unprovideA Provide / B unprovideA Provide / B unprovideCompensating range± 3'± 3'± 3'Optical plummetMagnification3X3X3XField of view5°5°5°Focusing range0.5m~∞0.5m~∞0.5m~∞Level sensitivityPlate level30' ' /2mm30' ' /2mm30' ' /2mmCircle level8' /2mm8' /2mm8' /2mmData outputOutput interfaceRS232CRS232CRS232CPower supplyRechargeable battery1800mAh Ni-MH1800mAh Ni-MH1800mAh Ni-MHBattery working time10-20h10-20h10-20hOthersWaterproof classIP45IP45IP45Tribrach typeDetachableDetachableDetachableWorking temperature range-20centigrade~+50centigrade-20centigrade~+50centigrade-20centigrade~50centigradeDimension150x165X335150x165X335150x165X335Weight5kg5kg5kg