Technical Specifications:

Operating Voltage: 80-300V AC
Current Measurement Range: 0-100A (with external current transformer coil)
Accuracy Class: 1.0, accuracy 1% ± 2 digits
Power: Active power 0-30000W, apparent power 0-30000VA
Power Factor: cos φ from 1.000 to 0.000
Display: Red LED display with 2 x 4 digits and 1 x 5 digit segments
Refresh Rate: ~500ms
Mounting: DIN rail, minimum mounting depth – 50 mm
Dimensions: 72 x 63 x 87 mm
Operating Temperature: from 10°C to +55°C
Connections: 4 screw terminals for operating voltage and measurement voltage, 10.8 mm hole for current wire and external current transformer
Functions:

Wide Measurement Range: The device measures voltage from 80 to 300V and current up to 100A, making it applicable in various electrical installations.
Active and Apparent Power: Displays instantaneous active power (W) and apparent power (VA), allowing monitoring of energy efficiency.
Power Factor Display: Using the power factor (cos φ), it can evaluate the quality of energy usage and optimize the performance of the electrical system.
Multiple LED Displays: LED displays show key electrical parameters – voltage, current, power – and provide easily interpretable real-time feedback.
User-Friendly and Easy Installation: DIN rail mounting allows for quick installation of the device in various electrical distribution cabinets or control systems.
Applications:

Industry: Monitor voltage and current fluctuations, assess equipment performance, and optimize energy consumption.
Electrical Distribution Systems: Used to track parameters of electrical installations, ensuring the quality and stability of power supply.
Households and Businesses: Provides the ability to monitor electricity consumption, which can help reduce costs by assessing voltage and current readings.
Pros:

Accurate Measurements: Accuracy class 1.0 ensures reliable readings suitable for various needs.
Convenient LED Display: Bright display allows for quick and easy viewing of all necessary parameters.
External Current Transformer: Enables easy current measurement without directly connecting current wires to the device.
Reliable and Durable: Endures temperature fluctuations from 10°C to +55°C, making it suitable for various environments.
Multiple Functions: Besides basic voltage and current measurements, it shows active and apparent power and power factor, providing a more comprehensive view of electrical parameters.
Cons:

Only for AC Networks: Designed for measuring alternating current only, not suitable for DC systems.
More Complex Installation: Requires a proper mounting environment with a DIN rail.
Limited Additional Analysis Functions: Lacks advanced data storage or output functions, thus only applicable for real-time measurements.
The current and voltage meter is an excellent tool for accurately monitoring various electrical parameters in industrial and household environments. It offers a wide range of functionalities, including voltage, current, power, and power factor. Easy installation on a DIN rail, a clear LED display, and reliable operation make this device an ideal choice for monitoring and analyzing electrical parameters.