Acrylic Map Direction Compass DC455
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Model: DC455
Name: Professional map compass, ruler compass
Product Origin: China
Supply Ability: 10,000 pcs/month
Minimum Order: 30 pcs
MOQ for OEM package: 500pcs
Material: Acrylic
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
- Q: What factors affect the handheld GPS receive signal?
- Active ionosphere, large canopy, high voltage wire, high building.... Have influence.
- Q: I would like to ask the GPS handset and GPS receiver (Surveying and mapping qualification application needs) is there a difference? If yes, what is the difference?
- GPS handheld GPS operating manual, GPS receiver is to receive satellite signals, GPS consists of two components.
- Q: What is the difference between the phone's GPS and professional handheld GPS features and differences?
- If you travel enthusiasts so you still recommend buying the handheld bar dry batteries can be replaced immediately if it is built in deep mountains and forests where you go oh for charging software installation, you can go to the forum to see the relevant system is very simple and the most important point is that basically all the navigation software has cracked the free version allows you to use it here and I hope to help you
- Q: Mountaineering to buy a professional GPS or Mountaineering Watch
- There is no need to buy too many devices. Now the phone is an essential tool, the phone has GPS,
- Q: Hand held GPS coordinate conversion method
- By the 84 coordinates to Beijing 54 Coordinate. A collection of 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" dot, point the best is around without interference of electromagnetic wave, vision, satellite signal. 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: Jia Ming etre20 handheld GPS good
- The new generation of the eTrex series is the first generation of user level receivers that can track both GPS and GLONASS satellites. GLONASS global navigation satellite system developed by Russian Federation, fully put into use. When using the GLONASS satellite, the average time for the receiver to lock the target is about 20% faster than GPS. And, when using both GPS and GLONASS, the receiver has the ability to lock more than 24 satellites as compared to GPS alone.
- Q: Mobile GPS can replace professional handheld GPS
- No, the phone's GPS is used for navigation, professional handheld GPS is used for measurement. Navigation GPS cannot be used for measurement because of insufficient accuracy.
- Q: In addition to the parameters, that is the problem of the machine, what method can reduce the error of these two machines to a minimum. Because, at the same time to find a coordinate. The gap is too big.
- GPS was in error with 10 meters, with the star search results, related to the environment, if the precision is high, as long as the use of handheld GPS submeter or handheld RTK
- Q: I just bought a handheld GPS Magellan No. 1, showing the latitude and longitude coordinates, I want to set the geodetic coordinates of latitude and longitude, do not know where to set, I would like to ask you, how to set, there is a better picture shows the best, thank you so much.Magellan GPS 210 is not 2000 shy
- 2 map reference setting: [[map] - unit "benchmark is set to User, and input the DX, DY, DZ, DA, DF parameters, usually DX, DY, DZ vary from region to region, so need to know the high level control points to solve, solving methods are as follows:The handheld GPS is placed in the control point field buried pile, were measured, and then hand coordinate coordinates and the known control points of the GPS measurements obtained for the poor, can be obtained by local coordinates and elevation deviation value: DX, DY, DZ.
- Q: Handheld GPS, the measurement of arable land, fixed point and circle test, which is more accurate,
- So for you to measure the area, some of the 3cm point error surrounded by the graphics area and some millimeter level point error surrounded by the graphics area is not much difference.
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Acrylic Map Direction Compass DC455
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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