Specification :

SPECIFICATIONS
RCD Test Ranges ( to EN61557-6)
Supply voltage
Supply: RCDT310 100 V - 280 V 45Hz to 65 Hz
RCDT320 50 V - 280 V 45Hz to 65 Hz
RCDT330 50 V - 280 V 45 Hz to 65 Hz
Minimum voltage 71 V for 300 mA RCDs, 100 V for
500 mA RCDs and 205 V for 1000 mA RCDs
Test Current Accuracy:
No Trip Test: ( 1/ 2I) – 8% to – 2%
Trip Test: ( I, 5I) + 2% to + 8%
Trip Time: ± 1% ± 1ms
Voltage measurement
( All Models)
Range ac: 0V - 300V 25Hz to 450Hz
Accuracy: ± 2% ± 2 digits
Frequency measurement
( RCDT320/ 330)
Range: 25Hz to 450Hz
Accuracy: 25.0Hz to 199.9Hz ± 0.1Hz
200Hz to 450Hz ± 1Hz
Fault ( Touch) Voltage
Displayed range: 0 V to 50 V
Error: + 5% / + 15% ± 0.5 V
Programmable RCD step Increments
10 mA to 50 mA - 1 mA steps
50 mA to 500 mA - 5 mA steps
500 mA to 1000 mA - 10 mA steps
Test result storage ( 1000 results)
Job Number 256 locations
Distribution Board no. 99 locations
Circuits 99 locations
Phases P1, P2, P3
Last recorded result may be recalled to the display. All data can
be downloaded to a PC using Download Manager ( supplied) or
Megger Powersuite Professional Windows software
Temperature and humidity
Operating Range: -5° C to + 40° C
Operating Humidity: 93% R.H. at + 40° C max.
Storage Range: -25° C to + 70° C
Maximum altitude: 2000m
Environmental Protection: IP54
Communications
USB interface
Safety
Meets the requirements of IEC61010-1 Cat III 300V phase to
earth.
IEC61557
Complies with the following parts of EN61557, Electrical safety
in low voltage systems up to 1000 V ac and 1500 V dc-
Equipment for testing, measuring or monitoring of protective
measures:
Part1-General Requirements
Part4-Residual current devices
Power supply
Batteries: 8 x 1, 5 V cells IEC LR6 type ( AA alkaline) .
Rechargeable: 8 x 1.2 V NiCd or NiMH cells.
Battery Life: 2000 consecutive tests
Weight
All units 980gms
Dimensions
All units 203 x 148 x 78 mm
E.M.C.
In accordance with IEC61326-1