Universal type goniometers allow you to quickly determine the angle. Modifications with a locking function are also available. Thus, the measurement results can be transferred. Devices with displays of various sizes are produced. It is also important to note that there are models with laser-type designators on the market. Calibration is not required for them. The devices are powered by 3 V batteries. An average quality universal protractor costs around 4,500 rubles.
GOST modifications
GOST 5378-88 defines the basic parameters of universal type goniometers. All models are divided into four classes. They differ in parameters, as well as design features. The first class includes devices with a long nonius. In this case, the ruler may have two scales. The square itself is used with a clamp. The second class includes goniometers with two rulers. In this case, the stopper is located in the middle part.
The square of the model can be of various lengths. The sector is applied on the measuring surface. The third type includes goniometers, which have an auxiliary ruler. Nonius in this case is located with a stopper. The base is small in size. The fourth class includes goniometers in which there is no base and auxiliary ruler. Nonius models are used for long lengths.
Application Models
Goniometers of the first type are actively used in engineering. In this case, the base is small. Goniometers of the second class are in demand among builders. Many modifications come with a bubble level. Third-class models are used in locksmith robots. They are also very convenient in designing. Goniometers of the fourth class are suitable for machine tools and topography. They are also used in the mining field.
Topex 30C321 device reviews
The specified goniometers universal (GOST 5378-88) belong to the first class. First of all, the model is praised for its quality foundation. The laser pointer in the presented modification is missing. Calibration to this goniometer is not required. If we talk about the shortcomings, it is important to note a lot of weight. The nonius of the model is provided with one scale.
An auxiliary line is not included in the standard kit. For design, the specified protractor is suitable. The measurement range is 0-220 degrees. The accuracy of the readings at the protractor does not exceed 0.1%. The length of the main line is 40 cm. For the machine tool industry, this model is not suitable. The display in the device uses a small diameter. The battery in the kit is included at 3 V. The user is able to buy the specified protractor at a price of 4600 rubles.
Topex 30C325 Review
The specified goniometer is actively used in topography. In this case, the base is used large width. There is no laser pointer at the protractor. The display is small. The battery for the device is selected at 3.5 V. The measurement range of the modification is 0-120 degrees.
The auxiliary ruler is used at 35 cm. There is no bubble level at the protractor. For the construction industry, the model is not unique. If you believe the reviews of experts, then the values can be transferred very easily. The accuracy of the measurements is 0.2%. It is also important to note that the price of the specified protractor ranges around 3,700 rubles.
Description of devices Topex 30C340
The specified goniometer belongs to the third group of devices. In this case, the accuracy rate is 0.2%. The bubble level of the model is available. It is also important to note that the device is well suited for builders. Calibration of the specified model is not required. The measurement range is 0-230 degrees. The locking function of the model is provided. According to customers, the vernier is used in high quality. The length of the main ruler is 35 cm. The base of the model is made of stainless steel. An auxiliary line is not provided in the kit. These goniometers are universal (market price) about 3500 rubles.
Characteristics of models Stanley 0-77
This goniometer has recently been in great demand. It belongs to the third class. In this case, the auxiliary ruler is not used. But nonius has two scales of measurement. The function of fixing the results in the device is. The display is small in size.
For printing, the device is rarely used. The accuracy of the measurements is 0.2%. It is also important to note the high quality of the substrate. The measurement range is 0-130 degrees. In order to understand how to use the goniometer (universal), just read the instructions. The user is able to buy the specified model for 4,500 rubles.
Stanley 0-23 device reviews
This goniometer (universal) receives good reviews from customers. Many owners praise it for its compactness. At the same time, nonius is used with two scales. The base of the model is made of plastic. The measurement range is 0-230 degrees. An additional line in the device is not provided. The total length of the model is 45 cm. It does not have a function for fixing measurements. If you believe the experts, the bubble level is used in high quality. The user can buy this goniometer for 4200 rubles.
Stanley 0-25 Review
The specified goniometer (universal) is sold with high-quality nonius. In this case, the laser level is not provided for the model. If you believe the experts, the display is used in high quality. If we talk about the shortcomings, it is important to note the great weight of the base. There are two scales on the nonius. The accuracy of measuring the bubble level is 0.3%.
For builders, this model is not suitable. However, in the mountain sphere, the goniometer is often used. It is still important to consider the high cost of the goods. Buy in our time the presented goniometer can be for 4600 rubles.
Description of Sparta 300 devices
The specified goniometers (universal) with Vernier absolutely do not require calibration. The measurement accuracy is excellent. It is also important to note that the standard set of the device has an auxiliary line. Nonius is used on two scales. There is no bubble level in the device. In this case, the measurement range is 0-230 degrees.
According to experts, the model is suitable for topography. It is also important to mention a solid foundation. The main line of the model is provided for 35 cm. The display is used of a small diameter, but the values on it are clearly visible. You can buy the presented goniometer on the market for 4300 rubles.
Characteristics of the Sparta 330 models
This is an inexpensive and versatile medical goniometer. The advantages of the model include a quality foundation. In this case, the auxiliary ruler is used with a length of 25 cm. According to customers, problems with measurement accuracy rarely occur. For builders, the model is not suitable. However, it is important to note that it is often used in topography. Nonius in the device is designed for three scales. The function of fixing the results of the model is missing. The price of the presented goniometer (medical, universal) varies around 3700 rubles.
Sparta 345 device reviews
This goniometer is made for builders. However, in engineering, it is also in demand. The model belongs to the third class of devices. In this case, the auxiliary ruler is designed for 35 cm. Directly nonius is used on two scales. Bubble level in the specified model is absent. The passport of the universal protractor states that the measurement accuracy is 0.3%. The base in the device is made of stainless steel. According to experts, the model is equipped with a high-quality display. You can buy a goniometer for just 4200 rubles.
Intertool MT-2050 Review
This goniometer (universal) is used primarily in the mining field. He is also in demand among engineers. The base of the model uses a small width. In total, the device has one latch. There are two scales on the nonius. According to customers, the base rarely breaks. In this case, a bubble level is not provided.
For topography, the device is not unique. First of all, it is important to note the large weight of the base. Customers also talk about the short length of the auxiliary line. If we talk about the parameters, the measurement accuracy is 0.2%. The battery in this case is used at 3 V. The main line is designed for 35 cm. You can buy this goniometer (universal) in the store for 4 thousand rubles.