Network analyzer for direct display of power in W, KWh, ... or network analyzer for harmonic measurements. The wattmeter is a multifunctional network analyzer for the precise measurement of Direct voltage, alternating voltage, DC current, AC current and power in watts. The AC power measurement is output as a real value with a maximum range of 4000 watts. When measuring power, the polarity is automatically switched; for negative measured values, a minus symbol appears in the power analyzer display.
The PCE-UT232 network analyzer is also a true all-rounder (active, apparent and reactive power, current, power factor, energy integrator, true effective voltage, frequency...). Another network analyzer for the professional in operation is the three-phase tester PCE-360. In addition to the required features, it has an internal memory, a data logger function and software for data analysis. This makes this network analyzer ideal for long-term measurements and troubleshooting.
Useful information about the network analyzer: When measuring power in direct voltage networks, the power is clearly determined from the formula P = U * I , ie the product of the electrical voltage U and the electrical current I. If a phase angle occurs between current and voltage in alternating voltages (e.g. mains voltage 50 Hz), it must be taken into account when measuring the active power. For the combined measurement of electrical power, a network analyzer therefore has a current and a voltage path. The display variable P (active power) corresponds, as described above, to the product of the two variables.
In practice, three types of services are distinguished:
- Apparent power S measured in VA
- Active power (and direct power) P measured in W (Watt)
- Reactive power Q measured in VAR (Volt-Ampere-Reactive)
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