Versatile reference board for precise resistance and capacitance values used in multimeter calibration and correction. Suitable for laboratories, educational institutions and electronics hobbyists who need accurate measurements. Key benefits - Accurate calibration references: provides precise resistance and capacitance values to verify and adjust multimeter readings, improving measurement accuracy. - Stable and reliable: built with carefully selected electronic components to deliver consistent performance across various applications. - Easy to use: straightforward operation; simply align the poles with the appropriate capacitors to obtain the reference values needed for multimeter calibration. - Durable and robust: made from premium PCB material for durability, heat resistance and resistance to damage, suitable for long term use in demanding environments. Use scenarios - Laboratory calibration: prepare and verify benchtop multimeters before conducting experiments to ensure accurate results. - Educational settings: use in classrooms or labs to demonstrate measurement principles and practice calibration techniques. - Hobbyist projects: support electronics tinkering and troubleshooting by providing reliable reference values for calibrated measurements.