What does the dynamometer show? This device is designed to determine the force. These devices are used in various fields. First of all, it is important to note that there are mechanical, electronic and hydraulic modifications. In terms of parameters, they are quite different.
You should also take into account the design features of the models. The main parameters of the devices include accuracy, maximum load and dimensions. To understand this issue in more detail, it is necessary to consider specific types of devices.
Mechanical modifications
Mechanical dynamometers are cheap. Their limit load indicator is in the region of 5 N. Some modifications are made with hooks. Spring devices are also on the market. The dials are used in various types. On average, the division price is 120 mN. The accuracy of force determination is 0.2%. The dynamometer spring is connected to a measuring arm that can rotate up to 50 degrees.
The allowable temperature of mechanical modifications is at least -20 degrees. Devices are not afraid of high humidity. A mechanical dynamometer weighs on average about 400 g. Some modifications are made with two levers. To determine the grip strength, special curved handles are installed. There are also models with two springs in stores. Their ultimate load parameter reaches a maximum of 4 N.
Features of electronic devices
Electronic dynamometer is able to boast of high measurement accuracy. The handles in the devices are quite different. There are many compact models on the market. The displays are of the text type. Many dynamometers have a backlight. On average, the maximum load parameter is 6 N. There are also industrial modifications on the market.
Control units allow you to configure the device, as well as save data. The batteries in the devices are installed at 1.2 A. It is also important to note that there are modifications with a quick calibration function. Some models are capable of working with scales. In terms of display systems, dynamometers are quite different. The average output sensitivity is 7 mV. The dynamometer (electronic) costs about 60 thousand rubles.
Hydraulic devices
Hydraulic dynamometers have many advantages. First of all, it is important to note the simplicity of the design. The hydraulic mechanism is located on the models under the handle. Holders are often used in curved shapes. For hospitals, the specified devicesfit well. However, they are rarely used for laboratory experiments. First of all, it is important to note that they are afraid of high temperatures. The limit load parameter is on average 4.5 N. In case of high humidity, hydraulic devices cannot be used.
Dynamometer PCE-FB 50 series
This dynamometer is often used in laboratory research. Its stand is made of aluminum alloy. The permissible error parameter of the dynamometer is 0.5%. If you believe the reviews of experts, the adapter has good conductivity. The sensitivity of the sensor is at around 5.5 mV. The minimum load level is 1 N.
There is a charge indicator in this case. Turn-on time does not exceed 1.3 sec. The device is not suitable for measuring grip strength. The expander of the model is used with two clamps. The display is used with a bright backlight. Overload protection is applied to the PK202 series. The indicated dynamometer (market price) costs about 55 thousand rubles.
PCE-FB 60 series dynamometer features
This dynamometer is highly conductive. However, the maximum load of the device is 5.6 N. If you believe the reviews of experts, then the model is not suitable for sports organizations. The holder in this case is used in a convex shape. In total, the model has two handles. They are made entirely of stainless steel.
Hydraulic mechanism will be applied with wire adapter. Failures in his work occur infrequently. Clock faceapplied with a division of 30 mN. The model is not suitable for laboratory studies. The output conductivity of the dynamometer is at the level of 10 microns. There is no overload protection system in this case. You can buy a model at a price of 22 thousand rubles.
Description of DPU-2-2 devices
DPU-2-2 dynamometer has a lot of advantages. First of all, it is important to note the special handle to which you can connect the hook. The adapter in this case is used with a filter. In total, the device has two expanders. The minimum load parameter is 0.2 N. The first degree moisture protection system is used. The display in this case is set with a bright backlight. If you believe the reviews of experts, then the units of measurement can be chosen very simply. The adapter of the model is used with two adapters.
Their sensitivity 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 facilities, the device fits well. The maximum load indicator is 7 N. The dynamometer has a quick calibration function. You can choose the appearance of the results. The device has a data storage function. 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 rated voltage is at 12 V. The permissible temperature of the dynamometer is a maximum of 55 degrees. Systemthere is no earth gravity compensation in the device. The image rotation function is not provided by the manufacturer. It is not possible to connect the model to the scales. There is a DPU-2-2 dynamometer on the market in the region of 60 thousand rubles.
Dynamometers of DK-140 series
This dynamometer (laboratory) is made with an overload protection system. The minimum temperature parameter of the device is -30 degrees. There is a discharge indicator in the device. You can change the units of measurement if necessary. The interface is provided by the PC300 series. Batteries for the dynamometer are of the lithium type. The rated voltage of the device is at the level of 12 V.
The device does not have a quick calibration system. For sports facilities, the model fits well. However, it is important to note that only one holder is used in the device. The latch under it is made of aluminum type. The adapter in this case is located next to the expander. According to customer reviews, the backlight is not very bright. You can buy a dynamometer of this series at a price of 46 thousand rubles.
Features of DK-146 series dynamometers
This dynamometer belongs to electronic modifications. Distinctive feature of the device of this series is the high accuracy of measurement. The minimum temperature allowed is -30 degrees. The body of the dynamometer is completely protected from moisture. For laboratory experiments, the device fits well. Overload protection system is applied first class.
If you believe the reviews of experts, the holder is able towithstand heavy loads. The adapter is highly conductive. It is allowed to connect the hook to the modification. Mounts for wall mounting are available. Among the shortcomings, it is important to mention the lack of a quick calibration system. Many units of measurement are missing from the device. You can buy a dynamometer of this series at a price of 68 thousand rubles.
Description of DK-158 devices
This is a professional and multifunctional dynamometer. The model is not suitable for measuring grip strength. It supports all major units of measure. If desired, the software can be changed. The interface is provided by the manufacturer for the C203 series. In total, the dynamometer of this series uses three adapters. The device does not support memory cards. The overload protection system is first class. If desired, it is allowed to connect the scales. The turn-on speed is 1.3 seconds.
Graphic display provided with bright backlight. There is a function to save the measurement results. The battery for the operation of the device uses a lithium type. Its conductivity parameter is 3.3 microns. The battery life is maximum 12 hours. If necessary, the dynamometer can be put into sleep mode to conserve battery power. These devices for measuring force cost about 46 thousand rubles.
KINGTONY series dynamometers 34862
Dynamometer of this class is designed specifically for sports facilities. First of all, it is important to note that the devicea high-quality expander is used, which allows you to very accurately feel the slightest vibrations. Another device takes into account gravity. The overload protection system is first class. The model has an adapter with a filter.
The output conductivity parameter of the element is 2.2 microns. The model has a zero count button. If necessary, you can use the quick calibration. There is no memory card slot in the device. The batteries are of the lithium type, 10 A. The rated voltage of the dynamometer of this series is 15 V. Nowadays, these devices for measuring force in the store cost about 50 thousand rubles.
Features of KINGTONY 34863 series dynamometers
The specified dynamometer is manufactured with an extension. The adapter in this case is used pulse type. If necessary, a hook of any size can be connected to the device. The output conductivity parameter, as a rule, does not exceed 12 microns. The overload protection system is used by the second checkout. The minimum temperature of the dynamometer is at -15 degrees. The maximum overload is 0.2N.
Batteries used are 5A lithium type. The battery life of the system is 8 hours. The force measurement accuracy is 0.3%. Unfortunately, there is no quick calibration system. The holder of the dynamometer of the specified series is also made of brass. There is no filter in this case. The user is able to buy these devices for measuring force at a price of 48 thousand rubles.
Description of devices KINGTONY 34855
Introducedthe dynamometer is made with two holders. The spring in this case is used of great strength. The dial is applied with a division of 0.2 mN. The overload protection system is first class. The case is of a moisture resistant type. The maximum overload is allowed at 13 N.
Installation mount included as standard. If you believe customer reviews, then this dynamometer is not afraid of sub-zero temperatures. The measurement accuracy of the device is at around 0.6%. For laboratory experiments, the modification is not suitable in the best way. You can buy these devices for measuring force for 65 thousand rubles.
Sprinter series dynamometers
This dynamometer (wrist) belongs to the class of electronic modifications. The holder is installed quite flat. If necessary, the latch can be rearranged. The case in this case allows moisture at the level of 70%. The model has a quick calibration system. The minimum temperature of the dynamometer is -15 degrees. Batteries used in the device are lithium-type 3 A. They only last for four hours of battery life.
The turn-on time of the device is 2 seconds. The accuracy of force measurement in the model is low. The adapter is used without an adapter. Memory cards cannot be used in this device. There is a dynamometer (carpal) in our time, about 58 thousand rubles.