Megger S1-552, Руководство пользователя

Страница: 20 / 24

Voltage input range
85-265 V rms, 50/60 Hz, 60 VA
Battery life
Typical capacity is 6 hours continuous testing at 5 kV with a 100 M Ω
load
Test voltages
250 V, 500 V, 1 kV, 2.5 kV, 5 kV ranges, adjustable in 10 V steps from
50 V to 1 kV, and 25 V steps from 1 kV to 5 kV
Accuracy (23°C, 5 kV)
5000 V 2500 V 1000 V 500 V 250 V
±5% to 1 T Ω 500 G Ω 200 G Ω 100 G Ω 50 G Ω
±20% to 10 T Ω 5 T Ω 2 T Ω 1 T Ω 500 G Ω
Guard
2% error guarding 500 k Ω leakage with 100 M Ω load
Display range
Digital display 10 k Ω to 15 T Ω (3 digits)
Analogue display 100 k Ω to 1 T Ω
Short circuit/charge current
5 mA 5 kV
Capacitor charge time
<1.5 seconds per µF at 5mA to 5 kV
Capacitor discharge time
<120 ms per µF to discharge from 5 kV to 50 V
Capacitance measurement (500 V minimum test voltage)
10 nF to 50 µF (dependent on test voltage)
20
SPECIFICATIONS
Capacitance measurement accuracy (23 °C)
±5% ±5 nF
Voltage output accuracy (0 °C to 30 °C)
+4%, -0% ±10 V of nominal test voltage at 1 G Ω load
Current measurement range
0.01 nA to 5 mA
Current measurement accuracy (23 °C)
±5% ±0.2 nA at all voltages
Interference rejection
1 mA per 250 V up to a maximum of 3 mA
Timer range
Counts up to 99 minutes and 59 seconds from start of test
15 second minimum setting for test voltage
≥ 1000 V
30 second minimum setting for test voltage <1000 V
Test regimes
Auto IR, PI, SV, DD
DAR is calculated automatically if timers T1 and T2 are set
Interface
RS232: 38400 Baud, 8 data bits, 0 parity, 1 stop bit, no flow control.
USB
Data storage
Data stored: selected voltage, test time elapsed, voltage applied, leakage
current, and insulation resistance. The PI, DAR, capacitance, time
constant and DD values are also stored if available at the end of the test.
Megger Download Manager may be used to transfer this data to a PC.