Map Scale Compass DC40-A

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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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

Q:Hand held GPS coordinate conversion method: Three parameter test DX, DY, DZ, DA, DF after the conversion parameters of the five, must be prompted to enter the handheld GPS, while the input area of the central meridian longitude. E on behalf of the east longitude, projection ratio of 1, the deviation of things to the north and south of the deviation of 0, and set the unit for M. Enter these parameters, should be taken to the field test, check whether these five parameters are correct. The method is selected, vision, GPS receiving signal strength of the feature points in the field (such as linear object intersections, independent features, etc.) is the best stone control points were measured and compared with theory and find out the coordinates of these points. If the results of the comparison exceed the nominal accuracy of the instrument, the conversion parameters or the problems that should be found should be recalculated.

Q:Want to buy handheld GPS in Hongkong, I would like to ask what brand is better, the specific model? Where to buy? How much is the price? In the mainland can be used? More questions, thank you!: Basically what questions are like this, there are few domestic brands, low precision did not see any big price advantage, but high precision or cheaper than abroad, you belong to the individual leisure estimates do not need to read.

Q:How to use the handheld GPS whole watershed investigation: The critical value is an object from a physical state to another physical state, a physical quantity to meet the conditions, which is equivalent to the stagnation point in Mathematics

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: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:How do I still stay in the GPS navigation, GPS monitoring of the primary idea? FiveBusiness services, thank you!Future business services: 6 people travel and adventure7 personal communication terminal (with mobile phones, PDA, electronic map integration)8 time synchronization of electric power, post and telecommunication9 accurate timing of admission10 accurate frequency of admission

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: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:Handheld GPS, the measurement of arable land, fixed point and circle test, which is more accurate,: If the area is measured, are almost. However, if the measurement point is only the case, the dynamic GPS is now the general error can be guaranteed within 3cm, the total station can be guaranteed to the millimeter.

Q:Handheld GPS each brand has what difference; different price difference in where is the positioning accuracy is different or what function is not the same?What are the differences between the measurements and the cars?: I was engaged in car GPS positioning, the first difference between different prices is the biggest cost of different module determines the price, this is the precise positioning of the key, but also the guarantee of product quality, rather than low-cost copycat version, as a kind of different price mobile phone, why Apple four generation sell so expensive but, only a few hundred to copycat.

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