Center frequency is adjustable from 10 kHz – 10 MHz in 10 kHz steps
The model PD3U comprises a Spectrum Analyzer, a PD detector, and a RIV meter in one instrument.
The system consists of desktop acquisition and display unit, RPA1 preamplifiers, quadrupoles, calibrator, CT1 current transformer, DA1 disturbance antenna and connecting cables.
Testing Applications:
Condition evaluation of insulation systems
Quality assurance testing in manufacturing plants
Routine testing in a variety of applications
Partial Discharge Measuring:
The model PD3U comprises a Spectrum Analyzer, a PD detector, and a RIV meter in one instrument.
In RIV mode, the instrument has bandwidth of 9 kHz and 270 kHz. When utilizing either the CAL3B or CAL3D calibrator, the range is 400 kHz – 1900 kHz in steps of 100 kHz.
Measurements are according to IEC 60270-2000, IEEEC57.12.90, and RIV measurements are according to NEMA/CISPR regulations and other relevant standards.
Desktop Acquisition and Display Unit:
Spectrum, Scope and Meter display
Selectable bandwidth 9 kHz and 270 kHz
Center frequency is adjustable from 10 kHz – 10 MHz in 10 kHz steps
MUX4 Multiplexer 4-channel measurement
Internal (line 50/60 Hz) and external synchronization (10-500 Hz)
Auto-range function
Backlit LCD 240 x 128 dots
RIV and PD calibration
RIV reference input
Automatic storage of current settings
Universal serial interface (USB, up to 921 kB)
AMP IN and REF IN connector
REC OUT
Built-in Voltage Measurement:
Measures the voltages at the external sync input terminal
Display of peak; peak/√2, and RMS value
Input range 100 Vrms
Input impedance: 1 MΩ
Built-in TTL Gating:
Triggered Noise Cancellation
Software controlled gating from a signal connected to an auxiliary input
Gating threshold may be set manually or automatically
Includes the built-in logarithmic preamplifier RPA6
Acquisition Unit:
Input: 100-240 VAC, 50/60 Hz
Power: 25 VA
Temperature Range: 10°C – 40°C
Dimensions: W236 x D295 x H133 mm
Weight: 7 lbs. (3 kgs)
Reference Voltage Input (BNC):
Input Impedance: 100 MΩ / 200 pF
Input Voltage: Max. 120 V (rms)
Frequency: 10-500 Hz
Partial Discharge Signals:
Coupling: AC
Input Impedance: 50Ω(without RPA)
RPA1 Preamplifiers:
Frequency Range: 40-800 kHz
Input Impedance: 10 kΩ/50 pF
Input Sensitivity: <200μV
Roll-Off: 40 dB/dec
Bipolar
Quadrupoles (one required for each channel):
Designed for up to 100 kV~400kV, 1 nF Capacitor Range, 400 mA max (depends on model)
Calibrators:
Range (depends on model):
CAL1A: 1,2,5,10,20,50,100 pC (Standard lab use)
CAL1B: 100,200,500 pC; 1,2,5,10 nC (High output, mainly suitable for rotating machine testing and recommended for transformer testing)
CAL1C:1,2,5,10,20, 50,100 pC at 100 pF with external high voltage capacitor (Can be used with HV Injection Capacitor)
CAL1D: 10,20,50,100,200,500,1000 pC (Transformer Testing)
Connecting Cables: A full set of high quality RG58 cables with BNC connectors is supplied (20 m) (custom length is available upon request).
Quadrupole Connection Set
Calibrator Connections
Power Lead
Please feel free to contact for detailed specifications, accessories, software and options.