Megger TDS40, Operating Manual, Page: 14 / 71

2-14
2.3 Technical Specifications
Parameter TDS40 TDS60
Output voltage DC 3 … 40 kV 3 … 60 kV
Output current source 7 mA 5 mA
Leakage current measurement
(optional)
Range of indication
Resolution of indication
0 - 7 mA
10 µA
0 - 5 mA
10 µA
VLF-test
Output voltage
Frequency
Voltage form
3 … 40 kV
PEAK
0.1 Hz
cosine rectangular
3 … 60 kV
PEAK
0.1 Hz
cosine rectangular
Sheath fault location
Voltage
Pulse rate
3 … 10 kV
4 s (1:3), 4 s (1:5), 6 s (1:5), 6 s (1:9)
DAC-operation
Output voltage
Frequency
3 … 40 kV
PEAK
58 … 410 Hz
3 … 60 kV
PEAK
58 … 475 Hz
Testable cable capacitance in the
VLF-operation
(also see section 2.6)
for full operating temperature range 2.2 µF (Basis)
4.4 µF (Plus) 0.8 µF (Basis)
1.6 µF (Plus)
A t normal temperatures (≤20 °C) and
with restrictions regarding the
accuracy of the leakage current
measurement values
2.4 µF (Basis)
4.7 µF (Plus) 1.0 µF (Basis)
2.0 µF (Plus)
Cable capacitance to be tested in
the DAC-mode
(see section 2.7)
Discharge device integrated, 4,7 µF in 5
s
integrated, 2,0 µF in 2 s
Power supply
230 V ± 10 %, 50 ... 60 Hz or optionally
120 V ± 10 %, 60 Hz
Power consumption max. 500 VA
Operating temperature range
-25 °C ... +55 °C
Storage temperature range -40 °C ... +70 °C
Operating humidity 30 °C, 93% rel.
humidity
30 °C, 93% rel. humidity
up to 50 kV
30 °C, 70% rel. humidity
from 50 to 60 kV