Harbin Optical Instrument Factory Dql-8 Geological Compass


Harbin Optical Instrument Factory Dql-8 Geological Compass

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Harbin Optical Instrument Factory Dql-8 Geological Compass:
$70


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DQL-8 pocket theodolite is mainly used in the forestry, agriculture, mining, geological prospecting, water conservancy, meteorology departments.Compass use be sure to make it level, as well as to avoid needle not confused, to maintain a certain distance with barbed wire, power lines, cars and airplanes, as well as objects containing magnetic specific reference indicators are as follows:(1) away from the fence> 10 m;(2) away from the high-voltage lines> 55 m;(3) away from the car or plane> 20 m;(4) away from the magnetic-containing objects, such as magnets, external magnetic speaker> 10 m;(5) the weak from the magnetic objects such as magnetic snap> 0.5 m.The main performance(1) needle damping Time (needle deflection 90 ° to stay in the original position of the time) is less than 15 seconds.(2) reading error:a.needle rotates around the indication of the degree of error is less than 0.5 °;b.needle at 0-180 ° ,90-270 ° eccentricity caused by the error of not more than 0.5 °;c.goniometer reading error no greater than 0.5 °.(3) Level of sensitivity:a.Long level 20 '± 5' / 2mmb.Circular level 30 '± 5' / 2mm(4) Dimensions: 80 × 70 × 35(5) Weight: 0.24KGLarge shipments, and sometimes we can not guarantee items flawless.We receive your replacement and return requirements.Good communication is happy, do not let your shopping experience with us to reduce.Shipping method: China Post air parcel (traditional economy). Time :25-30 days.Payment: PayPal

Harbin Optical Instrument Factory Dql-8 Geological Compass:
$70

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