LIFEVIEW QTDLF

LIFEVIEW® QTDLF is compact and portable test set which is combination of QLF (0.1Hz) and QTD (50Hz/60Hz) test kits. This kit is perfectly suitable for both OEM’s who prefer the factory tests at power frequency and for service providers who prefer field tests at 0.1Hz.

The test instrument is designed to be tested up to 20kV phase to ground, meaning it is suitable for almost all motors and generators world-wide. Communication with the device is established through a fiber optic link ensuring maximum safety for the user while testing HV equipment.

Suitable for Mobile HV Testing and Workshop Facilities

A combined measurement system for Dissipation Factor (Tan Delta), Partial Discharge (PD), Polarisation Index (PI) (at 0.1Hz) and Insulation Resistance (IR) (at 0.1Hz)
Can be used with a portable low frequency 0.1Hz HV source and a 50Hz/60Hz HV source
Using the QTDLF with low frequency (0.1Hz) power source allows easy deployment of equipment; access to difficult environments and reduced size and weight of test kit (less than 55kg)

HV Source (0.1Hz)
Input Voltage:	100V-240V, 50/60Hz (400VA)
Output Voltage:	Sinusoidal: 0 - 34kV Peak, 0-24 kV rms
DC:	±34kV
Squarewave:	34kV
Dimension (LxWxH):	430 x 250 x 360mm
Weight:	19.5kg
Power Supply:	100 - 240V AC // 50-60Hz
Operating Temperature:	0 to 45°C
Humidity:	10% to 90%
Data Acquisition
Standards:	IEC60270 & IEC TS 60034-27
Partial Discharge:	1 channel
A/D Converter Resolution:	16 bits – Y-axis normalised in [pC] or [nC]
Real Time Processed Pulse Repetition Rate:	50kS/s
Partial Discharge Measurement Frequency:	0.1 – 10MHz
Coupling Capacitor:	1 nF
Capacitance Range:	Limit values: 200nF at 20kVrms (0.1Hz) 45µF at 500Vrms (50Hz) Refer to appropriate technical documentation
Loss Factor Range:	10-5 - 1000 exponential
Voltage Range:	500V - 20kVrms (phase to ground)
Input Frequency Range:	0.05 - 0.15Hz (low frequency) 45 – 65Hz
Current Range:	Selectable shunts for accurate measurements according to capacitance
Power Supply (measuring device):	5V DC (battery supplied)
Operating Temperature:	0 to 45°C
Humidity:	10% to 90%
Area Classification:	Safe Area Only
Weight:	8kg (Measuring Device) 25kg (Suitcase with QTDLF measuring device)
Software
Graphical User Interface for:	PD patterns Calculation of apparent charge according to above IEC standards Tan Delta measurement Capacitance, Voltage and Current measurement IR and PI Index Measurement (at 0.1Hz) Instrument acquisition control panel

Complete test kit including: QTDLF measuring device, laptop, QCAL Calibrator, Batteries, Fiber Optical Connection, HV Portable Power Source (0.1Hz), transport and accessories

Capable of measuring Tan Delta and PD with phase resolved PD patterns at both 50Hz and 0.1Hz

Rated up to up to 20kVrms (phase to ground)

Built in PD coupler

Gain configuration options to allow for accurate PD measurement

Fibre optic communication link ensuring safety for the user

Provides insights into insulation condition traditional test methods would not

Measures Tan Delta in both grounded and ungrounded modes

Automatic report generation

LIFEVIEW QTDLF Data Sheet