Instruments for measuring the force - a mechanical dynamometer, electronic, hydraulic

What does the dynamometer show? The device is designed to determine the force. These devices are used in various spheres. First of all, it is important to note that mechanical, electronic and hydraulic modifications are distinguished. On the parameters they are quite different.

Also it is necessary to consider design features of models. The main parameters of the devices include accuracy, maximum load and dimensions. In order to understand this issue in more detail, we need to consider specific types of devices.

Mechanical modifications

Mechanical dynamometers are notoriously cheap. The limit of their load is in the region of 5 N. Some modifications are made with hooks. Also on the market are spring devices. The dials are of various types. The average division price is 120 mN. The accuracy of determining the force is 0.2%. The spring of the dynamometer is connected to a measuring lever, which is capable of turning up to 50 degrees.

The permissible temperature of mechanical modifications is at least -20 degrees. Elevated humidity devices are not afraid. The average mechanical dynamometer weighs about 400 g. Some modifications are made with two levers. To determine the grip strength , special curved handles are installed. In the shops there are models with two springs. The maximum load parameter reaches a maximum of 4 N.

Features of electronic devices

The electronic dynamometer is able to boast of high measurement accuracy. The pens in the devices are quite different. There are many compact models on the market. Displays are of text type. Many dynamometers have a backlight. On average, the maximum load parameter is 6 N. Also on the market there are industrial modifications.

Control units allow you to configure the device, as well as save data. Batteries in devices are installed at 1.2 A. It is also important to note that there are modifications with the function of quick calibration. Some models are able to work with weights. On the display systems the dynamometers are quite different. On average, the output sensitivity is 7 mV. There is a dynamometer (electronic) about 60 thousand rubles.

Hydraulic devices

Hydraulic dynamometers have many advantages. First of all, it is important to note the simplicity of the design. Hydraulic mechanism is located near the models under the handle. Holders are often used in a curved shape. For hospitals, these devices are good. However, for laboratory experiments they are rarely used. First and foremost, it is important to note that they are afraid of high temperatures. The maximum load parameter is on average 4.5 N. With high humidity, hydraulic devices must not be used.

Dynamometers of the series PCE-FB 50

This dynamometer is often used in laboratory studies. The stand is made of aluminum alloy. The parameter of the permissible error of the dynamometer is 0.5%. If you believe the feedback of experts, the adapter has good conductivity. Sensitivity of the sensor is at the level of 5.5 mV. The minimum load level is 1 N.

The charge indicator is in this case. The on-time does not exceed 1.3 sec. To measure the grip strength of the device is poor. The extender of the model is applied with two latches. The display is used with bright backlight. Overload protection is applied to the PK202 series. It is worth the specified dynamometer (market price) about 55 thousand rubles.

Features of the dynamometer series PCE-FB 60

The presented dynamometer has a high degree of conductivity. However, the maximum load of the device is 5.6 N. If you believe the feedback of experts, then for sports organizations the model is not suitable. The holder is used in this case a convex shape. In total, the model has two handles. They are made entirely of stainless steel.

The hydraulic mechanism is used with a wire adapter. Failures in his work occur infrequently. The dial is applied with a division of 30 mN. For laboratory studies, the model does not fit well. The output conductance of the dynamometer is at the level of 10 microns. The overload protection system is not available in this case. Buy a model can be priced from 22 thousand rubles.

Description of devices DPU-2-2

Dynamometer DPU-2-2 has a lot of advantages. First of all, it is important to note a special handle, to which you can hook the hook. The adapter is used in this case with a filter. In total, the device has two expanders. The minimum load parameter is 0.2 N. The moisture protection system is used first degree. The display in this case is installed with a bright backlight. If you believe the feedback of experts, then the units of measurement can be chosen very simply. Adapter for the model is used with two adapters.

The sensitivity of them is at the level of 2.2 mV. Conductivity, in turn, is 12 microns. The overload protection system is not provided by the manufacturer. For sports establishments the device approaches not bad. The maximum load indicator is 7 N. There is a quick calibration function for the dynamometer. The appearance of the results can be selected. The data storage function of the device is available. The battery of this dynamometer is used at 1.2 A. The battery life does not exceed ten hours. If necessary, the model can be put into standby mode. The turn-on time of the dynamometer is 1.3 seconds.

The nominal voltage is at the level of 12 V. The permissible temperature of the dynamometer is 55 degrees maximum. The system of compensation of gravity in the device is absent. The image rotation function is not provided by the manufacturer. There is no way to connect the model to the weights. There is a dynamometer DPU-2-2 on the market in the area of 60 thousand rubles.

Dynamometers of the DK-140 series

This dynamometer (laboratory) is manufactured with an overload protection system. The minimum temperature of the device is -30 degrees. The discharge indicator in the device is. If necessary, the units of measurement can be changed. The interface is provided for the PC300 series. Batteries for the dynamometer are of lithium type. The nominal voltage of the device is at the level of 12 V.

There is no quick calibration system in the device. For sports institutions the model fits well. However, it is important to note that there is only one holder in the device. The lock under it is made of aluminum type. The adapter is in this case next to the expander. If you believe the reviews of customers, then the backlight is not used very bright. Buy a dynamometer in this series can be priced from 46 thousand rubles.

Features of dynamometers of the DK-146 series

This dynamometer refers to electronic modifications. A distinctive feature of the device in this series is the high accuracy of the measurement. The minimum temperature is allowed to be -30 degrees. The body of the dynamometer is completely protected from moisture. For laboratory experiments the device is not bad. The overload protection system is applied first class.

If you believe the opinions of experts, the holder is able to withstand heavy loads. The adapter has a high conductivity. The hook to the modification can be connected. Mounts for wall installation are. Among the shortcomings, it is important to mention the absence of a rapid calibration system. Many units of measurement are absent in the device. Buy a dynamometer of this series can be priced from 68 thousand rubles.

Description of devices ДК-158

It is a professional and multifunctional dynamometer. To measure the grip strength, the model does not fit well. All basic units of measure it supports. If desired, the software can be changed. The interface manufacturer provides a series of C203. In total, the dynamometer of this series uses three adapters. The device does not support memory cards. The overload protection system is used in the first class. If you want, you can connect the balance. The on-off speed is 1.3 seconds.

The graphic display is provided with a bright backlight. The function of saving measurement results is. The battery for the device is of lithium type. Its conductivity parameter is 3.3 microns. The battery life is a maximum of 12 hours. If necessary, the dynamometer can be put into sleep mode to save battery power. These devices are used to measure the strength of about 46 thousand rubles.

Dynamometers of the KINGTONY 34862 series

The dynamometer of this class is designed specifically for sports facilities. First and foremost, it is important to note that the device uses a high-quality expander that allows you to very accurately feel the slightest fluctuation. Another device takes into account the earth's gravity. The overload protection system is used in the first class. The adapter for the model is provided with a filter.

The parameter of the output conductivity of the element is 2.2 μ. There is a zero-count button in the model. If necessary, you can use rapid calibration. The slot for the memory card in the device is missing. Batteries are used lithium type for 10 A. The nominal voltage of the dynamometer in this series is 15 V. Now these instruments are used to measure the force in the store about 50 thousand rubles.

Features of KINGTONY 34863 dynamometers

The specified dynamometer is manufactured with an extension. The adapter in this case is of the impulse type. If necessary, the hook is allowed to attach a hook of any size. The output conductivity parameter, as a rule, does not exceed 12 microns. The overload protection system is used at the second cash register. The minimum temperature of the dynamometer is -15 degrees. The maximum overload is 0.2 N.

Batteries are used lithium type for 5 A. The battery life of the system is 8 hours. The accuracy of the force measurement is 0.3%. The system of rapid calibration, unfortunately, is absent. The holder of the dynamometer of this series is made of brass. The filter in this case is absent. Buy these devices to measure the strength of the user is able to price from 48 thousand rubles.

Description of devices KINGTONY 34855

The presented dynamometer is made with two holders. The spring is used in this case of great strength. The dial is applied with a division of 0.2 mN. The system from overloads is used in the first class. The housing is water resistant. The maximum overload is allowed in 13 N.

Mount for installation as standard. If you believe the feedback of buyers, then the minus temperature, this dynamometer is not afraid. The accuracy of the instrument is at the level of 0.6%. For laboratory experiments, the modification does not fit well. Buy these instruments to measure the strength can be for 65 thousand rubles.

Dynamometers of the Sprinter series

This dynamometer (brush) refers to the class of electronic modifications. The holder is installed quite flat. If necessary, the latch can be rearranged. The hull in this case allows moisture at the level of 70%. The system has a quick calibration for the model. The minimum temperature of the dynamometer is -15 degrees. Batteries at the device are used by lithium type for 3 A. It suffices them only for four hours of autonomous work.

The switch-on time is 2 seconds. The accuracy of measuring the force in the model is low. The adapter is used without an adapter. Memory cards in the specified device can not be used. There is a dynamometer (brush) in our time about 58 thousand rubles.