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To measure area of abnormiry figure quickly, used in agriculture, forestry, geology, water conservancy, city planning, land survey. It is in common use to measure area.
Digital planimeter Model ....
Listed by: harbin optical instrument factory (China)
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Digital planimeter Model QCJ-2000
Measure area 300mm in width unlimited length
Relative error <=±0.2%
Display 16 digits LCD
Voltage inner with DC6V
Weight 1.25kg
Size 260×....
Listed by: harbin optical instrument factory (China)
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Pocket Compass Model DQL-2A
Precision of air level 30'±5'/2mm
The reading error <=0.5°
Dial scale 1°
Weight 0.26kg
Size 77.5×66×20(mm)
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To measure direction, obliquity, gradient, upright, milemeter, horizontal. Used in geology perambulation, colliery and other mine exploitation military training.
Pocket Compass Model DQL-8
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CGQ-1 Height measure compass
Height measure 60m (MAX)
Elevation: 60° pronate : 30°
Distance setting 15m,20m,30m,40m
Error 1%
Size 156×127×25(mm)
Weight 0.4kg
Harbin Optical Ins....
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To measure area of plant leaf (alive or not alive) , abnormity, figure quickly, used in agriculture, forestry, weather.
Scanning Life Leaf Area
Meter Model SHY-150
Relative error 1000×150....
Listed by: harbin optical instrument factory (China)
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Height Measuring compass DQL-10
Damping time (90°turn back) <= 5 second
Reading error <=0.25°
Dial scale 0.5°
Size 150×53×15(mm)
Weight 0.2kg
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