Megger VLF SIN-45 - Technical Data

Technical Description
11
2.2 Technical Data
The VLF SIN-45 test system is defined by the following technical parameters:
Parameter Value
Output voltage, sine wave
2 … 32 kV
RMS
/ 45 kV
PEAK
Output voltage, DC wave
2 … 45 kV
Output voltage, rectangular wave
±2 … ±45 kV
Source output current
12 mA
RMS
Leakage current measurement
• Display area
• Resolution
(VLF-CR, DC and rectangular voltage)
0 to 20 mA
10 μA
Frequency
0.01 Hz to 0.1 Hz
Testable load capacitance
• Sine wave voltage
• Rectangular voltage
• DC voltage
• Maximum load capacitance
0.6 μF at 45 kV / 0.1 Hz
0.6 μF at 45 kV / 0.1 Hz
5 μF at 45 kV
4010 μF at reduced voltages and
frequencies
Internal Tan Delta (optional)
• Measuring range
• Precision (requires load capacitance
to be >20 nF)
• Resolution
10
-3
to 10
0
1 x 10
-3
or 1% resp.
1 x 10
-4
Pulse rate in sheath pinpointing mode
(in seconds)
0.5:1 / 1:2 / 1:3 / 1:4 / 1.5:0.5
Power supply
110 V to 230 V, 50/60 Hz
Power consumption
600 VA
Display
Transflective sunlight readable 5.7" colour
display with a resolution of 640 x 480 pixels
Memory
At least 1000 records of test data
Interfaces
USB 2.0, Ethernet, external safety device
Weight
50 kg
Dimensions (W x D x H)
544 x 416 x 520 mm
Operating temperature
-20 °C to 55 °C
Storage temperature
-20 °C to 70 °C
Relative humidity
93% at 30 °C (non-condensing)
Protection class (in accordance with
IEC 61140 (DIN VDE 0140-1))
I
Ingress protection rating (in accordance
with IEC 60529 (DIN VDE 0470-1))
IP21