Megger TDS NT Cable Test And Diagnosis System In One
Megger Tds Nt Cable Test And Diagnosis System In One can now get faster and significantly more reliable information about the quality and the condition of their cables. This is made possible thanks to the brand-new 50 Hz Slope Technology.
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The Megger TDS NT Cable Test and Diagnosis System is a state-of-the-art solution designed to streamline the process of cable testing and diagnosis, providing unparalleled flexibility and efficiency in assessing the health of cable networks. This system uniquely combines two proven voltage wave shapes in one device, offering both standard-compliant Very Low Frequency (VLF) cable testing and non-destructive Partial Discharge (PD) diagnosis with proven Damped Alternating Current (DAC) voltage.
With the 50 Hz Slope Technology for the first time, a withstand test with VLF cosine-rectangular voltage (VLF CR) and PD diagnosis with damped alternating voltage (DAC) is combined in one unit. This allows an efficient and integrated solution for a precise inventory of the network infrastructure. The important fact here is that the PD measurement data, gained with the VLF CR or with the DAC test voltage, can be compared directly with the 50 / 60 Hz network voltage. This facilitates reliable decision-making.
MEGGER TDS NT Specification
- Voltage Operation: max. 60 kVRMS
- Type VLF CR or DAC
- Capacity of HV coupling capacitor: 25 nF
- Sensitivity range: 2 pC … 100 nC.
- Resolution: ±1 pC
- PD self-noise level: < 2 pC
- PD impulse repetition rate: 100 kHz
- PD localization
- Measuring range :0 … 16.000 m / v/2= 80m/μs
- Propagation velocity v/250 … 120 m/μs
- Sampling rate: 125 MHz (8 ns)
- Band width : 3 / 25 MHz (switchable).
- Precision: 1% of the cable length
- Resolution : ±1 pC / ±1 m
- Filter: analog and digital
- Power supply: 24 V via TDS-System
- Temperature
- Operation: -20 °C … +55 °C.
- Storage : -40 °C … +70 °C
- Relative humidity : 93 % / 30 °C (non-condensing)
- Weight: 30 kg
- Dimensions (W x D x H) : 39 x 58 x 76 cm
- PD calibrator (IEC 60270-compliant)
- Measuring range: 100 pC … 100 nC.
- Power supply: 9 V block battery
- Software: EasyGo principle, integrated cable database, fully automatic evaluation
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DataSheet
Specifications
| Feature | Specification |
|---|---|
| Voltage Operation | Max. 60 kVRMS |
| Type | VLF CR or DAC |
| Capacity of HV Coupling Capacitor | 25 nF |
| Sensitivity Range | 2 pC … 100 nC |
| Resolution | ±1 pC |
| PD Self-Noise Level | < 2 pC |
| PD Impulse Repetition Rate | 100 kHz |
| PD Localization – Measuring Range | 0 … 16,000 m / v/2= 80m/μs |
| Propagation Velocity v/2 | 50 … 120 m/μs |
| Sampling Rate | 125 MHz (8 ns) |
| Bandwidth | 3 / 25 MHz (switchable) |
| Precision | 1% of the cable length |
| Resolution | ±1 pC / ±1 m |
| Filter | Analog and digital |
| Power Supply | 24 V via TDS-System |
| Temperature – Operation | -20 °C … +55 °C |
| Temperature – Storage | -40 °C … +70 °C |
| Relative Humidity | 93% at 30 °C (non-condensing) |
| Weight | 30 kg |
| Dimensions (W x D x H) | 39 x 58 x 76 cm |
| PD Calibrator (IEC 60270-compliant) | Measuring range: 100 pC … 100 nC |
| PD Calibrator Power Supply | 9 V block battery |
| Software | EasyGo principle, integrated cable database, fully automatic evaluation |
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