Credit-card sized calibration checkbox;Checks insulation and continuity;Sunken pads allow testing to take place without removal of probe tips;Five insulation resistance values and five continuity values;Approved by industry-leading bodies such as the NICEIEC, IET, NAPIT, ECA and ELECSA

• CalCard Calibration Checkbox Card for Fluke, Kewtech, Megger, Metrel Multifunction Testers
• Red, blue and black

CalCard Calibration Checkbox Card for Fluke, Kewtech, Megger, Metrel Multifunction TestersCalCard