Atec Megger-MIT1020-2 - Manual (Page 2)

Memory capacity
32 kB
Test regimes
Auto IR, PI, DAR, SV and DD.
Interface
RS232 and USB
Data store
Voltage, test time, leakage current, resistance, PI, DAR, DD,
capacitance and time constant
Real time output
Serial, once per second of test voltage, current and resistance
Operating temperature
-20 °C to 50 °C
Storage temperature
-25 °C to 65 °C
Ingress protection (lid closed)
IP65
Humidity
90% RH non-condensing at 40 °C
Safety
Meets the requirements of IEC61010-1 CATIV 600 V
eMC
Meets the requirements of IEC61326-1
Dimensions
305 x 194 x 360 mm (12.7 x 6 x 14.2 inches)
Weight
7.1 kg (16lb) approx.
MIT520/2 and MIT1020/2
5 kV and 10 kV Insulation Resistance Testers
SPeCIfICATIOn
Voltage input range
85-265 V rms, 50/60 Hz, 60 VA
MIT520/2 battery life
Typical capacity is 6 hours continuous testing at 5 kV with a 100 MΩ
load
MIT1020/2 battery life
Typical capacity is 4 hours continuous testing at 10 kV with a
100 MΩ load
MIT520/2 test voltages
50 V to 1 kV in 10 V steps, 1 kV to 5 kV in 25 V steps
MIT1020/2 test voltages
50 V to 1 kV in 10 V steps, 1 kV to 10 kV in 25 V steps
MIT520/2 accuracy (23 °C, 5 kV)
5000 V 2500 V 1000 V 500 V 250 V
±5% to 1 TΩ 500 GΩ 200 GΩ 100 GΩ 50 GΩ
±20% to 10 TΩ 5 TΩ 2 TΩ 1 TΩ 500 GΩ
MIT1020/2 accuracy (23 ºC, 10 kV)
10 kV 5000 V 2500 V 1000 V 500 V 250 V
±5% to 2 TΩ 1 TΩ 500 GΩ 200 GΩ 100 GΩ 50 GΩ
±20% to 20 TΩ 10 TΩ 5 TΩ 2 TΩ 1 TΩ 500 GΩ
Guard
2% error guarding 500 kΩ leakage with 100 MΩ load
Display range
Digital display (3 digits) 10 kΩ to 15 TΩ (MIT520/2)
to 35 TΩ (MIT1020/2)
Analogue display 100 kΩ to 1 TΩ
Short circuit/charge current
3 mA @ 5 kV (MIT520/2) or 10 kV (MIT1020/2)
Capacitor charge time
<3 seconds per µF at 3mA to 5 kV (MIT520/2)
<5 seconds per µF at 3mA to 10 kV (MIT1020/2)
Capacitor discharge time
<120ms per µF to discharge from 5000 V to 50 V (MIT520/2)
<250ms per µF to discharge from 10000 V to 50 V (MIT1020/2)
Capacitance measurement (above 500 V)
10 nF to 50 µF (dependent on measurement voltage)
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 GΩ load
Current measurement range
0.01 nA to 5 mA
Current measurement accuracy (23 °C)
±5% ±0.2 nA at all voltages
Default voltmeter range:
50-600 V a.c. or d.c. Accuracy (23 ºC) + or -2% + or -1 V
Interference rejection
MIT520/2 1 mA per 250 V up to a maximum of 2 mA
MIT1020/2 1 mA per 600 V up a maximum of 2 mA
Timer range
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