Map Scale Compass DC45-5W with Ruler

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Product details

Model: DC45-5W

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: 114*60.5*17 (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.

Payment term: TT/ LC

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Q:What is the difference between professional GPS handsets and mobile navigation?
Mobile phones are used for network navigation, no network will not work, professional GPS navigation satellite navigation,
Q:What is the difference between the phone's GPS and professional handheld GPS features and differences?
But because it is a built-in or external Bluetooth GPS so the accuracy is not good at least a few meters there will be a gap drift phenomenon is simple said you drive open what is displayed on the screen of your car has been in the car to go outside for a while after a while back lane unstable and power consumption a larger say to you if you are a fresh hand if there is WM or Symbian system that will buy a mobile phone Bluetooth GPS module in Internet search navigation software can be installed navigation
Q:Ask how to select a google satellite map into a handheld Area GPS
The ordinary mobile phone GPS, can install Orville interactive map support pre download any regional satellite map, support for offline use
Q:GPS equipment accuracy and real-time single point positioning accuracy?
10 meters.To the world in 2013 a total of four global satellite navigation system, in addition to the United States has been in the mature GPS system and commercial operation, the Beidou system, China the European Galileo system, the Russian GLONASS system are still under construction. "The Galileo satellite navigation project" was first conceived by the 30 satellite GPS network to compete with the United States, the beginning of the design proposed in 2008 formally put into operation, and later postponed to 2014, the entire system is only 4 satellites in orbit (as of 2012), in fact it is mainly used to further verify the relevant design and the working system of the system design, after the official start of Galileo satellite will launch. Formal networking satellites are being prepared. China satellite navigation system management office senior engineer Yang Qiangwen introduction, to 2012, the "system" in orbit satellites are also only verify satellite.
Q:Magellan GPS handheld why so many people choose not to say that the map is not good
Magellan navigation and positioning company with Taiwan Jia Ming Company as the world's leading outdoor handheld GPS, its product features have their own advantages. General Magellan price will be slightly higher, Derek source may be more, but in recent years, the 2 brands will be on a par with slowly, Magellan with the national topographic map, a detailed map of the vehicle with the navigation package, Derek product price has been lowered. If the old section of the handheld GPS feel Magellan's design is more fashionable, the new Magellan with better Ming products have their own characteristics, mainly to see their own habits and tastes.
Q:Seeking the similarities and differences between RTK and GPS
RTK full name is GPS-RTK real-time dynamic distribution, which you know.
Q:Fuxin coordinates with the mapping of the seven parameters are what ah
Three translation parameters Delta X, Delta Y, Delta Z, three rotation parameter w X, Omega Y, Omega Z and a zoom M, these parameters need to be calculated in a fixed point under different ellipsoid!
Q:Mountaineering to buy a professional GPS or Mountaineering Watch
Now the mobile phone is the essential tool, mobile phone has GPS, can pre download ordinary maps, satellite maps, and contour map, its function is far more than a handheld GPS or hiking watches, can better meet the needs of the mountain.
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:Handheld GPS how to achieve decimeter
Look at the handheld chip, and some can be directly achieved, some with differential signals to

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