Compression impedance testers are devices used to measure the impedance of materials under compression, providing accurate and reliable impedance measurements. They are used in applications such as material testing, quality control, and research, ensuring precise determination of material impedance. Compression impedance testers offer features such as high precision, digital displays, and adjustable settings, making them essential for verifying the electrical properties of materials under compression. Their ability to provide reliable impedance measurements makes them valuable for optimizing material performance and ensuring product quality.