External partial discharges at high-voltage electrodes (corona) possess an acoustic spectrum, which extends to the ultrasonic region. Because of the strong directivity of high-frequency sound waves, ultrasonic detectors do not only allow detection, but also the localization of corona discharges, for instance, in switchyards, high-voltage test set-ups or transmission lines. The ultrasonic detector USD 38O1/38O2 operates at a frequency of approx. 33 kHz that is particularly suitable for external partial discharge detection. The combination of a highly directional ultrasonic microphone and a parabolic reflector system allows an exceptional directivity of the acoustic sensitivity. The microphone output signal is picked up by a selective amplifier and transformed into an audible signal. This allows a simple evaluation of the partial discharge intensity by headphones.
Emergency stop switch for interrupting / close the internal safety circuits.
Warning / signal lamps for visualizing the generator state. Signal red: "Warning Hazard", signal green: "all clear".
The CWG-CE5 is a compact EMC test unit designed for testing electromagnetic immunity against pulsed and conducted interference. Demonstrating such immunity is generally a requirement for compliance with the European EMC directive, a necessary step leading to the CE mark.
The Combination Wave Generator CWG-CE7 is a combined impulse-current-/impulse-voltage generator which, for high-impedance loads, RL > 100?, delivers a standard impulse voltage with waveform 1.2/50?s and, for short-circuited output, a standard impulse current with waveform 8/20?s.
Footswitch to trigger certain generator functions.
High-Voltage DC Test Sets HTS 20-10 are designed for testing dc dielectric strength of components, insulations, air- and surface flash-over gaps. Also for testing SPDs according to IEC 61643-1. The test voltage can be adjusted from 0.2 kV up to 20 kV. The test voltage rises like a ramp from zero to the selected test voltage. The rate of rise can be adjusted from 100 V/sec up to 10000 V/sec. Then the test voltage remains at the selected value for the test time, which can be adjusted from 1 – 1000 sec. Figure: incl. option PA503
The surge current testing device HCS 3-30 is used for surge current testing of capacitor windings. The capacitor to be tested is on an adjustable voltage, 0,005 - 3000 V, charged and then discharged via a triggerable switch.
The Capacitor Calibration Kit CCK has been designed to measure the pulse output voltage of surge generators PG10-200, PG12-360 and PG20-100.
The high-voltage pulse generator PG 5-200/ 10-1000 creates standard impulse voltages with waveforms 1.2/50 µs and 10/700 µs. It is designed for dielectric testing of components and systems as well as testing of the electromagnetic compatibility of electronic systems and devices acc. to CCITT-K17/K20/K22, ITU-T/K44, IEC 61000-4-5 etc. They are designed for testing of impulse dielectric strength of components, insulation, air-and surface flash-over gaps as well as for testing surge immunity of devices and systems acc. to CCITT - K22, ITU-T-K44. Picture: incl. option PA503
The high-voltage impulse generator PG 12-1440 standard impulse voltages with waveforms 1.2/50 µs or 10/700 µs. The output voltage is adjustable between 0.5 kV and 12 kV. The polarity of the output voltage is selectable. Positive, negative or alternating polarity of the output voltage can be preselected.
The high-voltage impulse generator PG 14-1960 generates standard impulse voltages with waveforms 10/700 µs. The output waveform can be switched to 0.5/700µs wave. Output voltage is adjustable between 0.2 kV and 14 kV. The polarity of the output voltage is selectable. Positive, negative or alternating polarity of the output voltage can be preselected.