Map Scale Compass DC40-A

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Features

1, professional usage: orientation, distance measuring, measuring slope, azimuth and pitching Angle measurement,

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
.
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.

Product details

Model: DC40-3A

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: 126*60*10 (mm)

Payment term: TT/ LC

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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:Can a handheld navigator connect a cell phone? Thank you
Open the phone hotspot WiFi, handheld navigator connected to this wifi.
Q:Handheld GPS how to achieve decimeter
Hello A GPS is not up to the requirements of the class, if no one can buy that expensive submeter GPS, currently on the market with the best precision is GPS, is Derek GARMIN this year a new eTrex 10, 20 and 30, the three can be reached within 3 meters accuracy, you can look at
Q:Professional handheld GPS GARMIN (DR) how to use
Handheld GPS purposes, the measurement of soil area, linear navigation, auxiliary fishing waypoint navigation point information, traffic data display, such as the use of functional machines should be used manual
Q:Hand held GPS coordinate conversion method
Two. To coordinate the coordinate data of the control points obtained provide technical support unit of Beijing Unistrong companies around the branch responsible person to calculate the coordinate transformation parameters conversion parameters, or to obtain their own conversion conversion software. After the conversion parameters are calculated by the prompt input handheld GPS. Only after such a setup, after all the soil in the region when the coordinates of the GPS read out the coordinates of the point for the Beijing 54 coordinates.
Q:Handheld GPS market which there are several models can be used to measure the land area
Can only use professional GPS measuring instrument! Magellan and SIBAO!
Q:Handheld GPS locator measuring accuracy is about how many meters?
The handheld machine precision is generally divided into: centimeter decimeter level, 1 meters, 2 meters, 3 meters, 5 meters; the precision is higher, the higher the price. You can consult the Haida official website "mobile MGIS mall".
Q:What is the difference between professional navigation and professional GPS navigator
The same, but it is over. No practical significance.
Q:Professional GPS handheld and mobile navigation difference
Three, the map of the differenceIn terms of the difference between the two maps is relatively large, most of the hand-held machine using contour map, the city is only as a secondary auxiliary. The mobile map is just the opposite, very detailed description of the city streets.Refer toThere is no road for GPS routing calculation. Popular said, handheld GPS to do is to draw a straight line to the destination, to determine their own inflection point. Handheld GPS will tell you to the destination: distance, course, yaw distance and other information (a lot of parameters, you can choose to display). In addition, handheld GPS also has to add a new landmark, through the software to draw their own waypoints, the average position of the measurement function, and even can measure the height and temperature, highlighting the degree of professionalism of its application.Cell phone navigation is very different from the former. GPS will be in accordance with the routing algorithm to calculate the nearest path, the premise is to have a detailed street map. GPS will tell you the right to turn right at the intersection. Mobile GPS can also search the starting point near the point of interest information, and can calculate the fastest path to reach the land.
Q:Handheld GPS positioning, can be directly uploaded to the computer,
10 classification layer management, you can hide / show layer.11 support batch import export data.12 support for drawing straight lines, curves and any line segments, can change the color and width.

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