The Kewtech KT56 RCD tester is traditional and reliable and tests type AC and type A RCD's.
The Megger RCDT310 complies fully with the requirements of IEC61010-1 for Category III 300V applications, and is supplied complete with appropriate test leads and a calibration certificate.
The Martindale RC2000 is an RCD tester that is fast and easy to use and suitable for testing all common RCDs up to 500mA. Supercedes the Metrohm 16R240A.
The Metrel MI3122 Z Line-Loop/RCD Tester is made for verification, periodic testing, and maintenance of electrical installations.
The Megger RCDT320 incorporates ramp testing for RCD tripping current measurement, and the unique Megger auto-sequence test feature.
The RCDT330 offers the facility to save test results to internal memory. Over 1000 result can be saved on site, and downloaded to a computer when convenient.
An RCD is a protective device used to automatically disconnect the electrical supply when an imbalance is detected between live conductors.