F-QB-F2

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F-QB-F2 is a type of portable, easy-to-use, and reliable voltage and current sensor accessory. It is designed to provide accurate and reliable measurements of AC voltage & current, AC and DC power, resistance and frequency. The F-QB-F2 accessory is available in two versions: the F-QB-F2 with standard features, and the F-QB-F2 Plus, which offers additional functionality. This accessory is ideal for testing, troubleshooting, and monitoring AC & DC circuits as well as other electrical components.

F-QB-F2 provides an effective solution to ensure current/voltage safety and is widely used in the fields of laboratory test and verification, power management, electrical safety inspection, electrical instrumentation, educational experiment and scientific research, greenhouse automation and so on. In order to achieve the highest accuracy, this device comes with an adjustable zero-point calibration, which helps to reduce the offset of the measured value caused by temperature influences. The F-QB-F2 Plus even offers an adjustable scaling factor calibration.

The working principle of F-QB-F2 is quite simple. It is based on the transformer principle - a measure of the magnitude of an alternating current. The measurement is carried out by the primary electrical system, which receives two electrical signals of different voltage/current outputs from the secondary winding, one positive and one negative. By using the differential amplifier principle, the voltage and current values of the two outputs are subtracted to generate a measured output. This signal is then delivered to the measuring equipment for the user to obtain the information.

The F-QB-F2 can measure a wide range of AC and DC voltage and current levels, including AC/DC max current or voltage values. It also provides an additional input for measuring resistance values and has a frequency range of up to 400 Hz. Furthermore, the F-QB-F2 Plus offers even more features, such as adjustable zero-point and scaling factor calibration, as well as overload protection.

To conclude, F-QB-F2 is an excellent accessory that is used in many applications for accurate and reliable measurement of AC/DC voltage & current, AC/DC power, frequency and resistance. This accessory is both easy to use and reliable, and is ideal for testing, troubleshooting, and monitoring AC & DC circuits and other electrical components. The F-QB-F2 Plus version even provides additional features, such as adjustable zero-point calibration and overload protection. All in all, the F-QB-F2 proves to be an invaluable tool for any electrical engineer or technician.

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