Precision calibration of current transformers
At a glance
Finland / UK
To check the calibration of current transformers on site without the need to remove them to a calibration laboratory.
To provide a portable precision current-measurement standard which can be clipped on to the CT wiring without disconnecting any conductors.
Rocoil rigid coil systems can be calibrated to an uncertainty of 0.1%. They can also be produced in a clip-on version without loss of accuracy. These can be used as reference standards for calibration.