Fluke 1663 Multifunction Installation Tester is the ideal choice for hard working professionals
The 1663 installation tester delivers the full-featured functionality and advanced measurement capabilities that professional installers need. It is compact and lightweight (less than 1.3 kg) and comes with a padded carrying and waist strap for convenient handling. Operation is intuitive and easily mastered by all levels of workers so you can put it to work immediately for quick and efficient testing to all local regulations. Additional helpful features like On/Off switchable auto-start for RCD and loop test, and self-test save time and give you more confidence in your results.
Other useful capabilities:
| 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 |
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| 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 |
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| 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 |
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| Test current | 1 mA @ 50 kΩ 1 mA @ 100 kΩ 1 mA @ 250 kΩ 1 mA @ 500 kΩ 1 mA @ 1 MΩ |
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| 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 | AC¹ G²,S³ |
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| Model 1663 | A4, AC¹, G²,S³ | |
| Notes | ¹Responds to AC ²General, no delay ³Time delay 4Responds to pulsed signal 5Responds to smooth DC signal |
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| Tripping speed test (ΔT) | ||
| Current settings¹ | 10-30-100-300-500-1000 mA – VAR 10-30-100 mA |
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| Multiplier | x ½, x 1 x 5 |
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| Measurement range | RCD Type G | 310 ms 50 ms |
| RCD Type S | 510 ms 160 ms |
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| Notes | ¹1000 mA type AC only 700 mA maximum type A in VAR mode VAR mode not available for type B. |
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| 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 ²5% for Type B |
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| Notes | ¹30% to 150% for Type A IΔN > 10 mA 30% to 210% for Type A IΔN = 10 mA 20% to 210% for Type B |
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| Earth Resistance Test (RE) | ||
| Range | 200 Ω / 2000 Ω | |
| Resolution | 0.1 Ω / 1Ω | |
| Frequency | 128 Hz | |
| Output Voltage | 25 V | |
| Phase Sequence Indication | ||
| Icon |  Phase Sequence indicator is active. |
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| 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 EN/IEC 61010-1 and EN/IEC 61010-2-034 | |
| Overvoltage | CAT III / 500V; CAT IV 300V | |
| Performance | EN61557-1 to EN61557-7 and EN61557-10 | |
