Electrical Diagnostics

Utilizing advanced UHF technology, the PDMG–R system is designed for large EHV GIS installations. It collects PD data from UHF sensors (couplers) installed on the GIS and transmits the information to software for automatic interpretation and analysis by propriety HQ Software – allowing incipient faults to be avoided and the condition of the long term health of the insulation system to be simply and effectively monitored over the life of the GIS.

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Utilizing advanced UHF technology, the PDMG-RH system, a member of the highly successful PDMG-R family, is designed...


Providing all the answers needed, not just data, at the click of a button Single performance measuring and monitoring...


Determine the condition of your stator winding insulation with our on-line and off-line partial discharge...


Digital fault recorder and dynamic monitoring system with multi functional capabilities all contained in one device. ...


Advanced, Intelligent transformer monitors to control and track accurately all aspects of your transformer.

Product Image Name Description Category Manufacturer
Multifunction Recorders-IDM+ Multifunction power system monitor (with options for power quality, PMU and TWS fault location)

DFR, DDR, PMU, TWS FL and Class A PQ in one device! A multifunction substation monitor offering advanced fault recording and long duration disturbance monitoring with options of phasor measurement in compliance to the IEEE C37.118 2005 specification; the most accurate fault location available using traveling wave methodology and Class A power quality in compliance with IEC 61000-4-30 Class A (Edition 2.0)

Multifunction Recorders Qualitrol
QCM-C-PD-Survey Service

Precise assessment of partial discharge in underground MV/HV power cables and terminations

Partial Discharge Monitoring Qualitrol
Multifunction Recorders-IDM LSU MkIII SSD Local storage unit

No moving parts - fit and forget!
A new, more reliable solid state platform with flash drive, compact flash and USB support plus options for modem and X.21 interfaces

Multifunction Recorders Qualitrol
CT 17 Partial Discharge Current Transformer

The CT17 wide-band current transformer is designed to acquire partial discharge (PD) pulses from generator or motor windings with installed Surge Capacitors. The CT17 has to be installed on the ground wire of the surge capacitor. For this, the case of surge capacitor has to be insulated from the ground, that just the ground wire is connected to the main ground. The measurement is contact free. No galvanic connection to the high voltage terminals is made.

Partial Discharge Monitoring Qualitrol
Extreme Multifunction Recorders-BEN 6000 Portable digital fault recorder (with options for power quality and PMU)

Transport to site, connect and gather data – it’s that easy
A portable version of the well established 61850 compliant BEN6000 multifunction recorder offering fault recording, slow scan recording and continuous recording with the option of power quality and phasor measurements.

Extreme Multifunction Recorders Qualitrol
CT 85HC Partial Discharge Current Transformer

The CT85 wide-band current transformer is designed to acquire partial discharge (PD) pulses from generator or motor windings. Its high saturation current and intrinsic suppression of very low frequencies makes it an ideal sensor for installation around high voltage power cables. The measurement is contact free. No galvanic connection to the high voltage terminals is made.

Partial Discharge Monitoring Qualitrol
Extreme Multifunction Recorders- BEN 6000 Digital fault recorder (with options for power quality and PMU)

Continues to record no matter what!
Extreme digital fault recorder and power generation monitor with multifunctional capabilities contained in one device

Extreme Multifunction Recorders Qualitrol

Easy-to-use Partial Discharge Monitoring System
MICAMAXX®pda is a partial discharge trending system comprising an on-line monitoring unit and PD transducers, which are fitted to the machine as a permanent installation to enable continuous on-line monitoring of the insulation system. Partial discharge sensors, such as coupling capacitors and high frequency current transformers are available for all HV-machine rated currents and voltages. And of course, they can be installed in hazardous environments

Partial Discharge Monitoring Qualitrol