This product utilizes voltage and current stabilization technology supported by the 2020 digital power supply, offering a test output voltage accuracy of ≤0.05V and current feedback accuracy of ≤0.05mA, with 6-12 channels available for customization. Equipped with an 8-inch embedded Linux industrial tablet computer touch screen, it boasts measurement accuracy exceeding national standards and is the preferred choice for quality inspection and scientific research institutions.

This method applies a direct voltage of 60V to both ends of concrete specimens with a diameter of Ø100±1mm and a length of 50±2mm. The permeability of the concrete is evaluated by measuring the amount of electricity that passes through within 6 hours.