What Are the Commonly Used Measuring Instruments in The Home? (1)
Water, electricity, gas, and heating are the energy resources that every household must use in their daily lives. These consumed energy resources are calculated by using water meters, electricity meters, gas meters, and heat meters to calculate the consumption, thereby calculating the costs incurred. The following is a brief introduction to the characteristics, principles, and installation points of the above-mentioned household commonly used measuring instruments.
Household smart electricity meter
Classification of smart electricity meter：
According to the circuit used: DC watt-hour meter, AC watt-hour meter.
According to the working principle: mechanical watt-hour meter, electronic watt-hour meter.
According to the circuit into the meter phase line (AC watt-hour meter): single-phase watt-hour meter, three-phase three-wire watt-hour meter, three-phase four-wire watt-hour meter.
Home smart electricity meter selection
Families should give priority to the use of electronic energy meters and follow the principle that the sum of the currents of all electrical appliances in the home does not exceed the maximum rated current of the energy meter. The nameplate should have the license number and mark of the manufacturing measuring instrument, the lead seal should be in good condition, the seal imprint and the product qualification certificate should be consistent with the manufacturer's name, and the case glass should be firmly glued.
Installation of household smart electricity meter?
1. The current amperage of the meter should be suitable for the total wattage of household appliances. We suggest that a 2.5 amp meter is more suitable for general households.
2. The voltage of the meter must conform to the voltage of the power supply. If the power supply voltage is 220 volts, a 110-volt meter cannot be used, otherwise the voltage coil of the meter will be burned out and cause an accident.
3. Electric meters should be installed in a dry location, not over a kitchen or gas stove.
4. The installation height of the meter should be appropriate. The height of the meter center from the ground is 1.5-1.8 meters.
5. The meter should be installed on the wooden board for power distribution, and should be firmly installed on a reliable and dry wall, not on the door frame or on the wooden wall.
6. The wiring of the wires must be firm, and the wiring cannot be loose or poorly connected, otherwise it is easy to generate sparks and be dangerous.
