| AC voltage measurement |
| Range | 500 V |
| Resolution | 0.1 V |
| Accuracy 45 Hz – 66 Hz | 0.8% + 3 |
| Input impedance | 360 kΩ |
| Overload protection | 660 V rms |
| Continuity testing (RLO) |
| Range (autoranging) | 20 Ω / 200 Ω / 2000 Ω |
| Resolution | 0.01 Ω / 0.1 Ω / 1 Ω |
| Open Circuit Voltage | >4 V |
| Insulation resistance measurement (RISO) |
| Test voltages | 50-100-250-500-1000 V |
| Accuracy of tTest voltage (at rated test current) | +10%, -0% |
| Test voltage | - 50 V
- 100 V
- 250 V
- 500 V
- 1000 V
|
| Insulation resistance range | - 20 MΩ /50 MΩ
- 20 MΩ / 100 MΩ
- 20 MΩ / 200 MΩ
- 20 MΩ / 200 MΩ / 500 MΩ
- 20 MΩ / 200 MΩ / 1000 MΩ
|
| Resolution | - 0.01 MΩ / 0.1 MΩ
- 0.01 MΩ / 0.1 MΩ
- 0.01 MΩ / 0.1 MΩ
- 0.01 MΩ / 0.1 MΩ / 1 MΩ
- 0.01 MΩ / 0.1 MΩ / 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 Ω / 0.001 Ω / High current mΩ mode |
| Resolution | 0.01 Ω / 0.1 Ω / 1 Ω |
| Prospective earth fault current, PSC test |
| Range | 1000 A / 10 kA (50 kA) |
| Resolution | 1 A / 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 | |
| Model 1663 | A, AC, G, S |
| Notes | - Responds to AC
- General, no delay
- Time delay
- Responds to 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 | |
| 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 |
| RCD/FI-Tripping Current Measurement/Ramp Test (IΔN) |
| Current range | 30% to 110% of RCD rated current¹ |
| Step size | 10% 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% for Type AC
- 35% to 140% for Type A (>10 mA)
- 35% to 200% for Type A (≤10 mA)
- 50% to 200% for Type B
- 5% for Type B
|
| Notes | - 30% to 150% for Type A IΔN > 10 mA
- 30% to 210% for Type A IΔN = 10 mA
- 20% to 210% for Type B
|
| Earth Resistance Test (RE) |
| Range | 200 Ω / 2000 Ω |
| Resolution | 0.1 Ω / 1Ω |
| Frequency | 128 Hz |
| Output Voltage | 25 V |
| General Specifications |
| Size (L x W x H) | 10 x 25 x 12.5 cm |
| Weight (incl. batteries) | 1.3 Kg |
| Battery size, quantity | Type AA, 6 ea. |
| Sealing | IP-40 |
| Safety | Complies with EN61010-1 Ed 2.0 (2001-02), UL61010, ANSI/ISA –s82.02.01 2000 and CAN/CSA c22.2 No. 1010 2nd edition |
| Overvoltage | CAT III / 500V; CAT IV 300V |
| Performance | EN61557-1 to EN61557-7 Second Edition and EN61557-10 Second Edition |
