product
KEY FEATURES
  • High measurement accuracy and sample rate
  • Complies with IEC 60270, VDE 0434 and various ANSI and IEEE standards
  • Advanced noise suppression tools include windowing, gating, frequency band shifting and an adjustable internal digital filter
  • Uses well-known and advanced Doble Lemke Noise Gating Technology with one separate channel for real hardware gating and an external antenna for elimination of external noises
  • Measures both the PD and the actual applied voltage under test
  • User interface features a customizable dashboard layout to make PD testing easier and more intuitive
BENEFITS
  • Use for in-house and on-site applications of all types of HV apparatus
  • Combines state-of-the-art technology with 40 years of partial discharge knowledge within one smart solution
  • Noise suppression techniques make it possible to perform tests in rough and noisy environments
  • A simple way to add partial discharge analysis to your condition-based maintenance testing program
ACCESSORIES

Calibrators

LDC-5 Calibrator

LDC-5 Calibrator

  • For external calibration of the standard PD measuring circuit according to IEC 60270
  • Quantifying of the main PD quantity “apparent charge”
  • Output for calibrating pulse charges: 5, 20, 100, 500 pC
LDC-7/UHF

LDC-7 /UHF

  • Pulse generator
  • For sensitivity verification of PD measuring circuits operating in the UHF/VHF domain

Sensors & Accessories

PDDC17-PD_COUPLER

PDDC-17 PD Decoupler

  • For use with rotating machines
  • Designed for PD signal transmission with a bandwidth above 30 MHz at 50 Ohm matching resistance
  • PD decoupling unit with integrated PD measuring impedance for decoupling of PD pulses from the standard PD measuring circuit acc. to IEC 60270
  • Voltage signal for phase resolved measurements
  • Composite PD and voltage signal, additive superimposed
PDDC24-FAILSAFEPD_COUPLER

PDDC-24 Failsafe & LF Coupler

  • For use with rotating machines
  • Designed for PD signal transmission with a bandwidth above 30 MHz at 50 Ohm matching resistance
  • Transmits test voltage signals at the same wire
  • PD decoupling unit with integrated PD measuring impedance for decoupling of PD pulses from the standard PD measuring circuit according to IEC 60270
  • Voltage signal for phase resolved measurements
  • Composite PD and voltage signal, additive superimposed
  • Integrated high-voltage fuse
 BC Matching Unit

BC Matching Unit

  • For use with rotating machines
  • Works with your previously installed couplers for PD testing in rotating machines
  • Designed to adapt conventional PD measuring methods to the 80pF-Line coupler
  • Improves signals from existing couplers
  • Avoids outages that would be needed to replace high frequency couplers with low frequency couplers
 LDM-5_SP1_Splitting_Box

LDM-5/SP1

  • For use with PDDC range
  • Splitting box designed for PD/TV-signal transmission
  • Compact device with all input and output lines at the sides
  • Included fast overvoltage protection helps prevent dangerous overvoltage due to unexpected breakdown of the test sample
 CONNECTION_BOX

Connection Boxes

  • For use with LDM-5/U5
  • Connection Boxes are designed for PD/TV-signal transmission and diplexing
  • Two and three channel connection box options
HFCT TN80308

HFCT Sensor

  • Clip-on
  • 10 kHz – 200 MHz
 HFCT300sensor 2207403000002

HFCT-300 Sensor

  • For use at cable terminations
  • Hand-held, split-core sensor specially designed for coupling out high frequency PD-signals
  • Applicable for PD tests on any part of the PD signal loop between the insulation electrodes where the outgoing and incoming signals do not cancel each other out
  • For highly sensitive PD measurements with superposed line currents or high reactive currents (50/60 Hz) which can reach up to 300 A
 LDWS-T_PD_SENSOR

LDWS-T sensor

  • For use at HV cable terminations
  • For decoupling of PD signals (TNC-socket)
  • High impedance version
  • For ungrounded and grounded devices

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