Mrct – Atec Megger-MRCT User Manual
Page 3
MRCT
Megger Relay and Current Transformer Test Set
SpeCIFICATIonS
Input
100 to 132 V or 200 to 264 V, 1ø, 50 or 60 Hz,
15 A max.
output
Voltage
Continuously variable in three ranges:
0 to 30 V at 5.0 A max
(15 minute on, 5 minute off)
0 to 300 V at 1.0 A max
(15 minute on, 5 minute off)
300 to 2000 V at 1.0 A max
(5 minute on, 5 minute off)
Current
Output Current
Power Max V/Duty Cycle
30 Amperes
200 VA (282 peak) 6.67 V rms
(15 minutes on, 5 minutes off)
60 Amperes
600 VA 90 cycles
Instrumentation
Voltmeters
output
Resolution
0.0000 to 1.9999/19.999/199.99/1999.9
Ranges
0 to 2/20/200/2000 V
Accuracy
±0.5% of reading typical
±1.0% of reading typical max
Input
Primary Voltage
Measurement
Ranges
0 to 0.35/2.0/20.0/200.0/600.0 V
Resolution
0.0001 to 1.9999/19.999/199.9/600 V
Accuracy
±0.02% of reading and ±.02% range typical
±0.05% of reading and ±05% range maximum
Secondary Voltage Measurement
Ranges
0 to 2/20.0/200.0/2000.0 V
Resolution
0.0000 to 19.999/199.9/1999.9 V
Accuracy
0 to 999.9 V
±0.02% of reading and ±.02% range typical
±0.05% of reading and ±.05% range maximum
1000 to 2000 V
±0.08% of reading and ±.08% range typical
±0.2% of reading and ±0.2% range maximum
Ammeter
output
Ranges
0.0 to 1.0/10.0/60.0 A
Resolution
.001/.01
Input
excitation curve testing
Range
0.0000 to 0.1/1.0/8.0 A
Accuracy
±0.08% of reading ±.08% range typical
±0.2% of reading ±0.2% range maximum
phase Angle Measurement
3 digits
Range
0 to 360 degrees
Resolution
1 minute
Accuracy
±3 minuntes typical
±6 minutes maximum
ratio
Secondary Voltage Injection Method
Range
Accuracy
0.8 to 2000
±0.02% typical
±0.05% maximum
2000 to 5000
±0.03% typical
±0.1% maximum
5000 to 20000
±0.05% typical
±0.2% maximum
Winding resistance Test
Measuring Range
0 – 30 Ω
Accuracy
(at 20° C) ±1%, 0 – 30 Ω
Insulation Test
Test Voltage
1000 VDC, 500 VDC
Measuring Range
20 GΩ, 10 GΩ
Short Circuit Current
1.5 mA nominal
Test Current on Load
1 mA at min. pass values of insulation
(as specified in BS7671, HD 384 and IEC 364)
Accuracy
1000 volts ±3% ±2 digits ±0.2% per GΩ
500 volts ±3% ±2 digits ±0.4% per GΩ
Communication
Interfaces
Ethernet
environment
Operating
-10º C to 50º C
Storage
-30º C to 70º C
Enclosure
The unit is housed in a rugged enclosure suitable
for use in outdoor substations.
Standards
IEC 61010, CSA 22.2, CE
Dimensions
14” H X 7.5” W X 12” D
(36 H X 19.3 W X 30.5 D cm)
Weight
36.7 lb (16.7 kg)