The CP11B Calibrator and Tester is used for calibration and testing a wide range of measuring instruments used in power engineering and enables testing:
- AC voltmeters, AC ammeters, frequency meters, phase angle meters, power factor meters, wattmeters, VARmeters, VAmeters, clamps meters,
- power quality analysers, recorders and flickermeters.

The CP11B enables automatic testing with calculating of errors and standard deviation:
- electricity meters,
- electrical measuring transducers for converting a.c. electrical quantities EN 60688,
- current instrument transformers,
- protective relays.

Intuitive front panel design with large Touchscreen display and ergonomic keyboard for ease of use.

Power Quality function enables generation of nonsinusoidal voltage and current waveforms with harmonics, interharmonics and subharmonics as well as simulation of voltage, current, phase shift and frequency variations as a function of time (dips, interruptions, swells, flicker, fluctuations and ramp signals).
PQ functions meet all accuracy requirements of power quality testing to the EN 61000-4 series of standards.

Harmonics
Harmonics are voltages and currents with a frequency, that is an integral multiple of the fundamental frequency.
The CP11B can generate multi-harmonic distortion with independent superposition of harmonic components of current and voltage.

Interharmonics
Interharmonics are voltages with a frequency, that is a non-integral multiple of the fundamental frequency.

Dips, Interruptions, Swells and Shocs
Dips are a temporary reduction of the voltage below nominal and Swells are a temporary increase of the voltage above nominal.
Shocs (Inrush current) are a temporary increase of the current above nominal when first turned on of an electrical device.

Flicker
Flickermeter testing is defined in EN 61000-4-15.