Battery Type |
AA |
AC Voltage Measurement |
Range |
500 volt |
Resolution |
0.1 volt |
Accuracy 45-66 Hz |
0.8 percent + 3 |
Input Impedance |
360 kΩ |
Overload Protection |
660 volt RMS |
Continuity Testing (RLO) |
Range (Autoranging) |
20/200/2000 Ω |
Resolution |
0.01/0.1/1 Ω |
Open Circuit Voltage |
>4 volt |
Insulation Resistance Measurement (RISO) |
Test Voltages |
50, 100, 250, 500, 1000 volt |
The accuracy of Test Voltage (at rated test current) |
+10 percent, -0 percent |
Test Voltage |
50 volt 100 volt 250 volt 500 volt 1000 volt |
Insulation Resistance Range |
20/50 MΩ 20/100 MΩ 20/200 MΩ 20/200/500 MΩ 20/200/1000 MΩ |
Resolution |
0.01/0.1 MΩ 0.01/0.1 MΩ 0.01/0.1 MΩ 0.01/0.1/1 MΩ 0.01/0.1/1 MΩ |
Test Current |
1 mA at 50 kΩ 1 mA at 100 kΩ 1 mA at 250 kΩ 1 mA at 500 kΩ 1 mA at 1 MΩ |
Loop and Line Impedance (ZI) |
Range |
10/0.001 Ω/High Current mΩ Mode |
Resolution |
0.01/0.1/1 Ω |
Prospective Earth Fault Current, PSC Test |
Range |
1000 Amps/10 kA (50 kA) |
Resolution |
1 Amps/0.1 kA |
Computation |
Prospective earth fault current (PEFC) or Prospective short circuit current (PSC) determined by dividing measured mains voltage by measured loop (L-PE) resistance or line (L-N) resistance, respectively. |
RCD Testing, RCD Types Tested |
RCD Type |
AC¹ G², S³ |
Model 1663 |
A4, AC¹, G², S³ |
Notes |
Responds to AC General, no delay Time delay Responds to the pulsed signal Responds to smooth DC signal |
Tripping speed test (ΔT) |
Current settings¹ |
10, 30, 100, 300, 500, 1000 mA – VAR 10-30-100 mA |
Multiplier |
x ½, x 1 x 5 |
Measurement Range |
RCD Type G |
310 ms 50 ms |
RCD Type S |
510 ms 160 ms |
Notes |
1000 mA Type AC only 700 mA maximum type A in VAR mode VAR mode not available for type B |
RCD/FI-Tripping Current Measurement/Ramp Test (IΔN) |
Current Range |
30 percent to 110 percent of RCD Rated Current |
Step Size |
10 percent of IΔN² |
Dwell Time |
Type G |
300 ms/step |
Type S |
500 ms/step |
Measurement Accuracy |
±5% |
Specified Trip Current Ranges (EN 61008-1) |
50 to 100 percent for Type AC 35 to 140 percent for Type A (>10 mA) 35 to 200 percent for Type A (≤10 mA) 50 to 200 percent for Type B 5 percent for Type B |
Notes |
30 to 150 percent for Type A IΔN > 10 mA 30 to 210 percent for Type A IΔN = 10 mA 20 to 210 percent for Type B |
Earth Resistance Test (RE) |
Range |
200/2000 Ω |
Resolution |
0.1/1Ω |
Frequency |
128 Hz |
Output Voltage |
25 volt |
Icon |
Phase Sequence Indicator is Active |
Size |
100 x 250 x 125 mm |
Weight |
1.3 Kg |