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Product Detail :-
Continuous operating time of 4AA Alkaline batteries is about 80 hours.
Absolute horizontal angle measurement. When he power off, turn on the instrument again and aim the same target, the horizontal angle displays the same reading.
The reading system of angle measurement is photoelectric incremental encoder
Optical plummet and laser plummet ( Factory optional)
Large LCD display
Wide temperature range foe LCD display : -20'C to + 50'C
