Energy analyzers are actively used for harmonic current analysis. Modern models are produced with a data hold function. It is also worth noting that there are modifications with converter modules. Their error rate is not very high. Not all modifications are suitable for operation in single-phase networks.
On average, the threshold voltage of devices of this type is 22 V. Their resolution fluctuates around 30 microns. The overload rate depends on the bandwidth of the controller. Modifications of variable circuits are distinguished by the presence of feed-through capacitors. Models with expanders are designed primarily for building vector diagrams. A high-quality analyzer costs around 5500 rubles.
Control devices
Electrical power quality control devices are produced with different types of adapters. According to expert reviews, there are many models with diode controllers on the market. The data hold function is not provided in all modifications. Averagethe minimum voltage of devices of this type is 220 V. In AC circuits, they work without problems.
Modulatory devices are used to analyze the current of single-phase systems. Their error, as a rule, does not exceed 2 percent. Many models are made with contact resistors. The response time averages 7 ms. For operation in DC networks, models with guide cathodes are used. Modern devices are able to boast of high-quality capacitors. The control model costs around 8200 rubles.
Portable modifications
Portable power quality analyzers are very popular these days. As a rule, devices of this type are used for complex stress analysis. In AC networks, only modifications on rectifier capacitors can work. Their minimum voltage indicator is about 13 V.
The protection system is used for analyzers of different classes. According to experts, not all models are suitable for graphical analysis. Many devices have a basic set of features. The error for models of this type, as a rule, does not exceed the threshold of 3 percent. Many modifications on the market are suitable for testers and do a good job of identifying transients in the network. It is also worth noting that portable devices are famous for their high-quality holders. A good model costs about 4 thousand rubles in our time.
Prova 6200 series
With this analyzer you caneasy to check AC voltage. The controller is of the rectifier type. There is no hold function in this case. It is also worth noting that the model does not have an adapter for the PP port. The minimum voltage indicator is 3 V on average.
If you believe the experts, the device copes well with the control of the threshold voltage. Quite often, the model is found in power plants. Many praise her for a high-quality modulator. The maximum overload parameter for phase interference is only 5 A. The maximum winding voltage is maintained at 30 V. The analyzer has a third degree protection system. The device is not suitable for calculating alternating current. Phase confinement is observed quite rarely. The measurement technique is based on the conversion of the outgoing signal.
The model provides a graphical display of data. The device determines transient processes in the network quite accurately. It is also worth noting that an extension for the chain is included with the modification. This analyzer costs in electronics stores within 5600 rubles.
Prova 6245 modification options
The specified analyzer copes well with the task of determining the threshold voltage. The protection system of the device is of the second class. If you believe the experts, problems with failures in the controller are very rare. In single-phase circuits, the model is not able to work. The minimum voltage in this case is 220 V. Overloads on the controller are allowed no more than 4 A. IncreasedThe analyzer is not afraid of humidity. For harmonic analysis, the device is used quite often. The margin of error is 3 percent.
The analyzer's measurement technique is based on the conversion of the outgoing signal. A calculator is used to register data for the model. The capacitors of the modification are installed with adapters. If you trust the reviews of many experts, then failures in the operation of the modulator are very rare. The resolution parameter is at the level of 30 microns. This analyzer costs no more than 8 thousand rubles today.
AEMC instrument parameters
With this analyzer, you can easily test the AC voltage. If you trust the reviews of many experts, then failures occur very rarely. The controller of the modification is used with an adapter. It is also worth noting that the model uses only one modulator. A high-quality transistor deserves special attention.
The model has a data logging function. The maximum overload indicator reaches 7 A. The maximum voltage of the device of this series is 20 V. The device fits well for operation in a DC circuit. The modulator of the modification is of a capacitor type. He has a third-class protection system. It is also worth noting that the model has a small level of error.
To analyze the threshold voltage, the device is used very often. The average resolution is 4 microns. AC power is allowed at 13W. Unfortunately, the analyzer does not have a fast peak function. Athigh voltage always activates the protection system. The price of the specified analyzer fluctuates around 8 thousand rubles.
Hioki series appliance
This analyzer is suitable for AC power. He only uses one adapter. According to the reviews of many experts, problems with the modulator are rare. The conductivity parameter is located at the level of 40 N. The protection system is applied to the second class. Do not use the appliance in high humidity.
It is also worth noting that the model is sensitive to electromagnetic vibrations. The maximum margin of error is 2 percent. The function of graphical display of data in this case is available. The model does not have a system of protection against phase transformations. It costs a modification of this type in the region of 10 thousand rubles.
Amprobe PQ60A modification options
The device of the presented series is used to control voltage in DC and AC circuits. If you trust the reviews of many experts, the modulator has good conductivity. It is also worth noting that the model has two adapters. The compact holder deserves special attention. To control the current, the device is used quite often. The analyzer's protection system is of the third class.
The impulse noise capacitor does a good job. For harmonic current analysis, the device is not well suited. The minimum load indicator is 2 A. The phase transformation protection system is applied in the third class. The maximum voltage is 33 V. The analyzer of the presented class costs within 8800 rubles
Amprobe PQ70A parameters
This device stands out for its high threshold voltage setting. If you trust the reviews of many experts, then the model is very simple to use. The overload indicator is at least 2 A. The analyzer has a first class protection system. It is also worth noting that the model works well in AC circuits. For the analysis of harmonic oscillations, it fits remarkably. The model has a data logging system.
Amprobe PQ80A
The error rate for this analyzer is a maximum of 5 percent. The insulator is of the optical type. AC power is maximum 30W. The maximum overload parameter is allowed at the level of 40 V. The measurement of the active phase does not take much time. For plotting graphical data, the device fits perfectly. For single-phase networks, the analyzer is not suitable in the best way. This device costs around 7 thousand rubles.
Amprobe PQ85A Series
This power quality analyzer is often used in transformer substations. Its conductivity is quite high. The maximum margin of error is 2 percent. If you trust the reviews of many experts, then the protection system works fine. Harmonic Modelcopes easily.
The analyzer is rated at 30 V. Do not modify on AC circuit. An excellent latch deserves special attention in the device. The analyzer uses only one adapter. If you believe the experts, it breaks very rarely. The power quality analyzer of the specified series costs around 8800 rubles
Elspec modification options
Elspec instruments have many advantages. Electricians use them in permanent and variable circuits. The device is great for determining harmonic vibrations. With phase interference, the conduction level is quite high. It is also worth noting that the model can be operated in single-phase circuits. The minimum voltage indicator is allowed at the level of 2 V.
The security system is second class. For vector data definition, the model is not the best fit. Compatibility with impulse controllers in this case is available. The by-pass capacitor deserves special attention. He is not afraid of overloads from the DC network. The limit voltage setting is 33V.
The device is used quite often for the analysis of phase fluctuations. It has only one holder. The error factor is no more than 3 percent. The conductivity in the DC circuit is no more than 5 N. The user is able to purchase the presented power quality analyzer at a price of 12 thousand rubles.
Fluke-1744 parameters
Quality analyzerFluke power is not just for DC circuits. The conductivity of the model reaches a maximum of 4 N. The protection system is applied to the third class. If you trust the reviews of many experts, the device is excellent for analyzing phase noise. The controller of the modification is used with two adapters. The model has a fast peak function.
The error rate is no more than 3 percent. The data logging system is applied to the PP series. It is also worth noting that the device has a modulator. The response rate of this element is quite high. The device is not intended for vector data definition. The information upload system is applied by MS series.
It is also worth noting that the analyzer uses only one expander. Hangs on it are observed very rarely. His defense system is first class. The error reaches a maximum of 6 percent. For a two-phase circuit, the device is not uniquely suitable. There is no controller test function in the device. This power quality analyzer costs no more than 10 thousand rubles in our time.
Fluke-1750 Series
This analyzer is excellent for determining the exact voltage in a DC circuit. If you trust the reviews of many experts, then the protection system in the device is of high quality. The adapter in this case is installed without an adapter. It is also worth noting that the model is well suited for determining harmonic oscillations.
System of protection againstfast peak applied second class. The model has a data logging function. The conductivity index of the first order is maximum 5 N. For the complex determination of voltage, the device is excellent. The price of this analyzer fluctuates around 8300 rubles.