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√ Compasses
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Compass is an Italian word and means "measure in steps". And for good reason - some popular sports models have built-in pedometers. No one has been measuring distance with steps for a long time, and in order to determine the direction and course along which the object is located, precise instruments are needed. You can buy a suitable compass at an affordable price in the Sheriff store.
The price depends on the material from which the case is made - metal or plastic. From dial illumination: it can be expensive (tritium) or simple luminescent. The price also depends on the strength of the glass: it can be shock-resistant or ordinary, and some manufacturers use plastic instead of glass. The scope of application also depends on strength and reliability: civil or military, extreme sports or hiking and tourism.
The Sheriff online store presents two main types of these precision instruments. This is a lens (geological or artillery compass) and liquid (automotive, engineering or map compass) .
1. Artillery (geological) compass or Brunton compass is one of the types of precision measuring instruments.
The device, named after an American geologist, was patented in the 19th century. As then, it is now used to accurately determine the direction, degree and angle of an object. For this, a lens is used.
First of all, the lens compass is used by geologists, archaeologists, eco-engineers, topographers. For military purposes, with the help of lens compasses, calculations are made for accurate aiming of guns. That is why the Brunton lens compass is called artillery, and it is in official service with the US artillery, where it is marked M2.
At first glance, an artillery compass may seem like a confusing and complex device - it consists of several moving parts: a cover, a base, a lens, a floating dial, and several rulers. You will also have to deal with the markings (it glows for orientation at night), but do not be afraid, learning to determine the location of an object is quite simple.
Considering that, unlike most modern compasses, artillery uses magnetic field induction, when using , you need to pay attention to the presence of nearby metal objects and high voltage lines . The dial should “float” freely - this means that it is in good condition and the readings will be accurate.
If we compare the use of electronic gadgets and the good old lens compass , then the former are undoubtedly more convenient, but not at all more reliable. Using GPS navigators, you can expect an electronic device short circuit, software failures, network failure, discharged batteries in the field. In addition, a certain set of electronic cards is needed, some can be found on the Internet, and some are sometimes simply not there. Even if your choice is GPS, it is worth having an ordinary magnetic or liquid compass in stock.
2. Automotive, liquid compasses
The second common type is liquid compass . We advise motorists to get it, this device is not afraid of pits and potholes, it can be used even in cross-country running mode. The hermetically sealed case is filled with a special viscous liquid similar to kerosene, in the best versions proposed by manufacturers, the compass needle after shaking is at rest in 2 seconds.
Automotive liquid compasses are attached either with a special clip-fastener, or with thick double-sided tape. When choosing, you need to pay attention to the integrity and reliability of the case. This type of compass also does not require recharging, it is convenient to use, does not go astray, it is difficult to break it (except to crush it), it is very convenient in off-road conditions. The body of the car compass is plastic, shockproof, protected from moisture, the needle phosphoresces in the dark.
3. Keychain compass
It would seem that there is nothing to say about small compasses-trinkets . Often these are ordinary liquid compasses, the size of a matchbox or a little more than it. Despite the external "toy", their main function - to determine the direction and side of the world is completely preserved. They are often used as gifts. However, their story is far from festive. They began their origin in the department of British intelligence during the Second World War. Keyring compasses were disguised as various small items, and they became a lifesaver for many soldiers who escaped from captivity. Then they were called so - "escape compasses" (escape compass).
4. Compasses
Most of them are equipped with additional devices and parts. Compasses for maps or engineering - with a transparent ruler for measuring the scale and built-in pencils for writing. For tourists, a thermometer and a whistle will be useful if you take your dog on a hike. The compass, which has a flint and flint , will help to make a fire. The flint and flint looks like a small oblong piece of metal, usually it is a flammable and sparkling magnesium rod, about 30 millimeters in size. The device is supplemented with a magnifying lens - a retractable magnifier. More complex additional details can be called a curvimeter and a sight.
Roughly speaking, the curvimeter measures the distance from point A to B. Use a curvimeter to measure the length of the path if the path on the map or drawing is a winding line. The device itself looks like a gear roller with a handle and a counter of teeth. The roller is guided along the map and, using a simple formula, with a certain error (for mechanical curvimeters, it is approximately 0.5%), the path length is measured. It is not necessary to know the formula, since the curvimeter dial has a scale with units of length in inches and centimeters. Electronic instruments can also measure nautical miles. The error of the electronic curvimeter is much less.
The sight looks like a magnifying glass with a line of sight applied to it, it allows you to find out the azimuth with an accuracy of 1 degree. Azimuth is necessary for proper orientation in the terrain, in order to know where to go.
The Sheriff store presents compasses of well-known both European and Ukrainian buyers, manufacturing companies, among them MIL-TEC and Max Fuchs. The prices indicated in the catalog correspond to the quality and accuracy of the instrument. You can buy different types of compasses in the sherif.ua online store. We can deliver your order anywhere in Ukraine. Our store is located in Dnepropetrovsk. Sheriff's address: st. Artem, 9.
(068) 798-0000 (063) 798-9999
