Single-phase meters are produced at one or more tariffs. Models among themselves primarily differ in accuracy class. Also, before choosing a device, you must take into account the rated voltage. Many modifications are equipped with a failure protection system.
The relative humidity of a good model is 30%. Additionally, when choosing a counter, you need to pay attention to the sensitivity threshold, which is measured in amperes. There is a good model about 3300 p.
Single tariff devices
An electricity meter (single-phase, single-tariff), as a rule, is made with field-effect transistors. Many customers choose this type of device for its simplicity and reliability. The accuracy class in this case depends on the manufacturer. On average, the rated voltage is not more than 250 V.
The tolerance parameter depends on the limit frequency in the network. In connecting devices are quite different. Typically, the meter is connected via terminals. In this case, only an electrician can qualitatively establish the model. There is a single rate meter about 2800 p.
Two-tariff modifications
The electricity meter (single-phase, two-tariff) is in great demand. Many models are sold with a second accuracy class. Resistors in devices use pulse type. Atmospheric pressure for models does not exceed 70 mm Hg. Art. It is also important to note that the models are made on two terminals. Many devices have a failure protection system. There is a high- quality two-tariff meter in the region of 3200 r.
Multi tariff devices
The electricity meter (single-phase, multi-tariff) on the market is not cheap. The device parameters are very different. Many customers choose models for their high accuracy class. The sensitivity threshold for them is 0.2 A. The rated voltage, in turn, is 240 V. In the current circuit, the power of the meter ranges from 1 to 2 watts. There is a high-quality multi-tariff meter about 3800 p.
Reviews about the models "Mercury"
Electricity meter (single-phase) "Mercury" reviews from customers receive a variety of, but mostly positive. Many praise the model for its high accuracy. In this case, the resistors are wired type. According to the documentation for the device, the sensitivity of the device is 0.2 A. The atmospheric pressure of the meter is 77 mm Hg. Art. The specified model is checked every five years.
If we talk about the shortcomings, it is important to mention the complex connection. In this case, three-terminal adapters are not suitable for the device. In some cases, capacitors overheat. The rated voltage of the meter is 230 V. Moreover, the deviation coefficient is relatively low. You should also consider the high cost of the goods. The price for this counter fluctuates around 3600 r.
ACE 2000 model: description, reviews and price
The specified counter applies to single-rate models. The threshold sensitivity parameter of the modification is 0.3 A. In this case, the accuracy class is only of the third degree. Some customers complain about the complicated installation of the device. Two-terminal adapters are not suitable for the model.
Capacitors overheat quite often. It is also important to note that this model should often be worn for verification. The rated frequency of the device is 58 Hz. For this electricity meter (single-phase), the price fluctuates around 2800 r.
Model NIK 2102 1200
This counter applies to dual tariff models. Among the advantages of the device should be noted its compactness. In this case, the resistors are of a straight-through type. Thus, problems with measurement accuracy rarely occur. The device is quite simple and convenient to install. Three-terminal adapter fits the model. In this case, the readings of the device are clearly visible. The atmospheric pressure of the device is 90 mm RT. Art. If you believe the feedback from consumers, then problems with malfunctions are rare. You can buy this counter for only 2700 p.
Opinion about the ME172 model
The presented electricity meter (single-phase) is sold with high-quality bushings. The rated voltage of the device is 250 V. The meter is not afraid of overloads from the network. However, it is important to note that it is not particularly compact in size. Installing the model is only permitted with two-terminal adapters.
The sensitivity threshold of the device is 0.2 A. In the current circuit, the power of the meter is 10 watts. The minimum allowable temperature of a single-rate meter is at -20 degrees. Check the product every five years. In the store, the presented counter can be found at a price of no more than 3400 r.
Model MTX1A10
The presented electricity meter (single-phase) is produced with a field effect transistor. In total, the model has two capacitors. The threshold sensitivity of the device is 0.3 A. Directly, the nominal voltage does not exceed 230 V. The atmospheric pressure of the meter is 80 mm Hg. Art.
Having listened to customer reviews, you can understand that the model is installed quite simply. In terms of size, it is not compact. Indications are noticeable quite clearly. The relative humidity of the meter is 60%. Check the presented device every five years. The minimum permissible temperature of this counter is -25 degrees. The operating frequency of the device is 55 Hz. The price of such a counter fluctuates around 3100 p.
Reviews about the model ED 2500
This energy meter (single phase) is sold with a high accuracy class. In total, the model uses two feedthrough capacitors. Relate the device to two-tariff modifications. The device is not suitable for three-terminal adapters. According to customer reviews, disruptions rarely occur. It is also important to note that the readings on the panel are clearly visible.
The sensitivity threshold of the model is 0.3 A. The relative humidity of the modification is 55%. Check the submitted counter every three years. Problems with overheating of capacitors are rare. The working frequency of the modification is 58 Hz. The minimum permissible temperature of the meter is -23 degrees. Model for sale at a price of 2900 p.
Model ACE 300
The specified electricity meter (single-phase) is in great demand. First of all, it is chosen for compactness. For dual terminal adapters, it fits well. The data on the panel is clearly visible. If we talk about indicators, then the power in the current circuit is 4 watts. In this case, the minimum temperature of the meter is no more than -20 degrees.
Problems disconnecting the device are rare. This is largely due to the presence of a protection system. The atmospheric pressure of the device is 80 mm RT. Art. Its relative humidity does not exceed 55%. The maximum current in the circuit is 5 A.
The device is not suitable for four-terminal adapters. In terms of dimensions, the counter is quite compact. Capacitors in the model are used with high bandwidth. The maximum permissible temperature of this counter is 55 degrees. You can buy a device in a store for 3400 p.