Map Scale Compass DC35-1A

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Product details

Model: DC35-1A

Name: Professional map compass, ruler compass

Product Origin: China

Supply Ability: 10,000 pcs/month

Minimum Order: 50 pcs

MOQ for OEM package: 500pcs

Product Size: 86*60*10 (mm)

Color: OEM

Features

1, professional usage: orientation, distance measuring, measuring slope, azimuth and pitching Angle measurement, drawing, a magnifying glass

2, high quality compass with neck rope, portable and rugged
3, ACRYLIC material, about 2mm thick
4, Damping Dial: to keep the stability of the pointer, more suitable for outdoor

environment.
5, Accuracy: accurate and clear, there were 360 degrees azimuth Angle, outer ring is 64-00 system, Liquid filled in the compass for reliable readings.

6, Magnifier function

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Q:Handheld GPS which brand is good
Now GPS can also do handheld measurement accuracy, precision can usually reach decimeter level, the industry there are relatively well-known Huace, professional GPS measurement instrument, high precision of handheld GPS the good.
Q:How to set the handheld GPS related parameters and coordinate conversion parameters throughout the country
Collect the application area of high grade control data in GPS receiver applied earth area (such as a county) find three (or more) uniform grade (accuracy better) or GPS "B" network, the best point is around without interference of electromagnetic wave, vision, the satellite signal is strong. To the local surveying and mapping management department (such as: the local bureau of Surveying and mapping, surveying and Mapping Institute) Gauss plane coordinate copy these points of the Beijing 54 Coordinate System (x, y), the elevation of H and WGS-84 coordinates of the geodetic coordinates (B, L), the high H.
Q:I would like to ask the outdoor adventure GPS are required to have what functions, a good GPS all aspects of the parameters are?
The first three factors: ability as a good tour pal, sun and rain fearless tramp over mountains and through ravines Rulvpingdi, GPS, his nature can not be weak, small knock a small touch can not have temper, off or out in the water dirty, also to be able to continue the work. So the waterproof / earthquake / dust and other indicators become the primary consideration factors GPS these are the protective ability of vehicle GPS, most of them do not have, and some professional GPS design, there will be more conducive to the harsh environment, such as some of the products designed to be capable of floating after falling into the water. The outdoor need to step back. What is it, if you can not do to prevent flooding, then rain proof ability is the minimum requirement.
Q:Handheld GPS navigation is what? Where to buy handheld GPS navigation, how to select GPS navigation?
Handheld GPS is mainly for GIS data acquisition, a lot of advanced GPS with PDA function, you can load navigation software for vehicle navigationBut the handheld GPS is mainly to do some engineering design, the main area can be measured, the location, and the boundary survey. GPS can do advanced vehicle navigation can also waypoint navigation, is a coordinate input to precise navigation to this position.Handheld GPS navigation is divided into 2 kinds, one is portable GPS navigation, one is used for surveying and mapping professional GPS handheld
Q:GPS method for highway survey?
Application of GPS in Highway SurveyHighway routes are generally in a ribbon corridor. It is often used in the plane control measurement, which includes the form of wire, closed wire, wire and so on. For important structures such as bridges, bridges, tunnels, etc., but also arranged into triangular network, linear lock and other forms.
Q:Magellan GPS handheld why so many people choose not to say that the map is not good
Each brand has its own unique, if you only care about a map, then you think of the handheld too one-sided
Q:GPS equipment accuracy and real-time single point positioning accuracy?
Oh, together with the exchange of learning, mutual verification, I said that is my experience. Software tells you that the accuracy is handled and limited, especially for some third party software. If you do not limit the scope of the conditions, the limit is too difficult to determine. If the satellite in poor condition, serious occlusion, satellite time difference, let alone ten meters, a few dozen a hundred meters are possible. Under normal circumstances, single point positioning accuracy is about ten meters, of course, sometimes all aspects of the conditions are very good, a few meters are also some. As for the accuracy of the GPS that you say htc10 and tablet computer, to this kind of navigation type GPS, from the respect of the respect that the instrument says, the accuracy should be in 10 meters to 15 meters (all the conditions are all right). Oh exchange!
Q:What factors affect the handheld GPS receive signal?
The hand-held GPS is generally accepted the satellite signal, a sheltered place will affect the signal delivery in different range of handset with method, sometimes, because of the incorrect operation, the human body is one of the obstacles
Q:Recommend a handheld GPS
At present, the formal channels genuine licensed not so cheap, some refurbished machines may have. The cheapest machines now have about 900-1000!
Q:What is GPS Mu meter ah, with the general said that the GPS measuring instrument what is the difference?
GPS Mu meter also known as land area measuring instrument, handheld meter meter, etc.. Integrated computational methods for understanding and intelligent high precision GPS positioning system, the precise area of the handheld computer system, can realize the irregular area of real-time measurement and dynamic graphical display and intelligent data processing and storage.GPS measurement of the meter is different from the general GPS measuring instrument is based on the latitude and longitude of its area calculation function, general GPS is generally used for positioning.

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