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	Digital Partial Discharge Detector LDD-6
	click to enlarge	Downloads | Specifications | Hardware Plug-In | Hardware Equipment | Software Equipment | Protocol Generator
		Digital Partial Discharge Detector LDD-6   Applications: Measuring the apparent charge according to IEC 270 PD quality tests on high volt equipment PD diagnosis on developing insulating materials Designed for on-site PD diagnosis tests as well as for manufacturing and research Downloads: Accessories: LDD-6 Brochure Bridge impedance LDB-5 LDD-6 Technical Paper Calibrator LDC-5 LDD-6 Demo Software Noise reduction filter LDF-5 LDD-6 Display Samples Measuring Impedance LDM-5 LDD-6 RFQ Printer LDD-6 Slide Show Charge Injector LDJ-5 Get Adobe Acrobat Reader!       Specifications: Hardware of the internal PD Detector: PD detection at 50 Ohm : < 1pC PD measuring ranges (AUTO-ranging in 3 dB steps) : 100,000 pC wideband pre-amplifier: frequency range at 50 Ohm : 20 kHz ... 20 MHz upper limiting frequency of the wide-band amplifier : > 20 MHz wideband pulse processing unit: frequency range : 100 kHz - 500 kHz bandwidth : 400 kHz resolution A/D-converter : 12 Bit maximum pulse repetition rate (superposition error approx. 10 %) : 100 kHz maximum pulse resolution : 100 kHz double pulse resolution (positive superposition error < 30 %) : 10 µs Return to top   Hardware plug-in: GATING UNIT GU: plug-in for LDD-6 PD measuring system real hardware "gating" one noise pulse input channel, which is equipped with a software controlled amplifier featuring a dynamic range adjustable between 0 - 80 dB Complete software based remote control is possible Use object links in order to combine stored program controllers with measurement devices Return to top Further hardware equipment: computer-aided measuring, recording, monitoring and analysing of PD pulses micro-computer Return to top Software equipment: standard system-, measuring- and evaluation software for PD measurements operating system WindowsNT 4.0 PD measuring and analysing, displaying the test voltage (if connected) automatic calibration replay of stored PD events, phase resolved PD analysis PRPDP - phase resolved PD pattern, phase resolved 2D representations q-u-diagram; q-t-diagram Return to top Protocol generator: protocol generator for creating a test report automatic arrangement of values in the released test report printing of test report (printer not included) Return to top