Acrylic Map compass DC45-5A

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 5000 pc/month

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Product details

Model: DC45-5A

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: 109*61*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.

6, Magnifier function

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: 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?: This is the case, GPS handheld refers to a thin hand, while the GPS receiver refers to the RTK host, equivalent to the base station in our industry said. The general application of Surveying and mapping qualifications are required for this application, referred to as RTK (1+1) set, level, theodolite, total station, walkie talkie, technical personnel.... And so on, are essential equipment.

Q: Handheld GPS need to put the phone card?: Hello, now the general GPS are required to put the card! Thanks

Q: Handheld GPS locator measuring accuracy is about how many meters?: The higher the accuracy, the higher the price. You can consult the Haida official website mobile MGIS mall

Q: Can a handheld navigator connect a cell phone? Thank you: Mobile navigator can downloadOther purchases can not beNow basically use the phoneEasy update and operation

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: Verify the accuracy of the GPS device to buy back, the way is to use Android under the'gps state 'software, to test the accuracy of real-time single point positioning.1 with two sets of the same Android Tablet Computer (custom machine, type of bad) in the same position for receiving, find that the accuracy is the same (software, are 1-2 meters), but the position would be poor 10 meters or more. It's in the same place.The 2 one is the Android tablet computer, a mobile phone is HTC G10, also received together in the same position, find that the accuracy is not the same as (the latter 20 meters or so), but also may be about 10 meters position difference.The accuracy of this GPS device can reach 1-2 meters, while the same location in real-time single point positioning error of 10 meters, a reasonable explanation.: You are very normal, the tablet computer and mobile phone antenna, not inside, the highest accuracy is about 10 meters, as ordinary navigation is good enough, to achieve centimeter level accuracy by GPS single is, that is to achieve the RTK measurement, is the application of professional measurement, now RTK or by the United States GPS satellite, not the United States GPS satellite as China Beidou mobile station and the base station is in need of mutual difference calculation to achieve accurate measurement. Now the single can receive SBAS signal, single precision up to 1-2 meters, the Northeast in some places to achieve sub meter level, which is the highest single precision can reach, is also used in field investigation using professional machine.

Q: How about the accuracy of the GPS handset?: Zhonghaida Q1:2 zhonghaida Q5:1 meters; meters; zhonghaida Q6: decimeter; zhonghaida Q8 cm;

Q: Ask how to select a google satellite map into a handheld Area GPS: If an ordinary mobile phone GPS, can install Orville interactive map support pre download any regional satellite map, support for offline use.