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GENERAL FEATURES & SPECIFICATIONS    һ�㹦�ܺ�Ҏ(gu��)��   

       AR-811   AR-821   AR-831         

Measuring Range    0.30��15m     0.30��15m     0.30��15m           

�y������       10inch��50foot      10inch��50foot      10inch��50foot            

Accuracy ±1%       ±1%       ±1%             

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Measure In Imperial/Metric   √     √     √           

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Dynamic Display    √     √     √           

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Laser Pointer Aiming     √     √     √           

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Data Store /Recall  √     ____       ______          

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Computer Area And Volume  √     √     √           

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Sum Of Length      √     √     √           

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Auto/Manual Shut-off    √     √     √           

�Ԅ�/�ք��P(gu��n)�C                                 

LCD Backlight       √     √     √           

LCD �����@ʾ                                 

response Time 2s    2s    2s          

푑�(y��ng)�r�g                                  

Measureing Benchmark Setup       √     √     √           

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KeySound,Beeps For Wrong Reading And Reading Confirmation      √     √     √           

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GENERAL CHARACTERISTICS һ������      

Power     9V Battery��6F22��   9V Battery��6F22��   4*1.5VAAA Battery      

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LCD size 35*23.5mm    35*23.5mm    35*23.5mm   

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