
The 1663, one of our multifunction testers, tests to all local regulations & provides test results for complete documentation. Learn more today!
Key Features
- Tests continuity at L-N, N-PE inputs
- Tests smooth dc sensitive RCDs (Type B)
- Tests earth resistance, voltage, and frequency
- Offers multiple test voltages: 50 V, 100 V, 250 V, 500 V, 1000 V
- 6 mA RDC-DD testing for EV charging stations
The Fluke 1663 SCH Installation Tester with RCD Type B Schuko # FLK-1663 SCH is manufactured by Fluke. Valley Instrument Service is an authorized Fluke dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
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Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681| Range | 500 V |
| Resolution | 0.1 V |
| Accuracy 45 Hz – 66 Hz | 0.8% + 3 |
| Input impedance | 360 kΩ |
| Overload protection | 660 V rms |
| Range (autoranging) | 20 Ω / 200 Ω / 2000 Ω |
| Open Circuit Voltage | >4 V |
| Test voltages | 50-100-250-500-1000 V |
| Accuracy of test voltage (at rated test current) | +10%, -0% |
| Test voltage | 50 V100 V250 V500 V1000 V |
| Insulation resistance range | 20 MΩ / 50 MΩ20 MΩ / 100 MΩ20 MΩ / 200 MΩ20 MΩ / 200 MΩ / 500 MΩ20 MΩ / 200 MΩ / 1000 MΩ |
| Test current | 1 mA @ 50 kΩ1 mA @ 100 kΩ1 mA @ 250 kΩ1 mA @ 500 kΩ1 mA @ 1 MΩ |
| 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 Type | AC¹G²,S³ |
| Model 1663 | A4, AC¹, G²,S³ |
| Model 1664 FC | A, AC, B5, S |
| Notes | ¹Responds to AC²General, no delay³Time delay⁴Responds to pulsed signal⁵Responds to smooth DC signal |
| Current settings¹ | 10-30-100-300-500-1000 mA – VAR10-30-100 mA |
| Multiplier | x ½, x 1x 5VAR Mode Type B - 6, 60, 200 mA |
| RCD Type G | 310 ms50 ms |
| RCD Type S | 510 ms160 ms |
| EV / RDC-DD | 6 mA - 10s60 mA - 0.3s200 mA - 0.1s |
| Current range | 30% to 110% of RCD rated current¹<2 mA to 6 mA smooth DC³ |
| Step size | 10% of IΔN²Linear rising within 30 s |
| Measurement accuracy | ±5% |
| Specified trip current ranges (EN 61008-1) | 50% to 100% for Type AC35% to 140% for Type A (>10 mA)35% to 200% for Type A (≤10 mA)50% to 200% for Type B |
| Frequency | 128 Hz |
| Output Voltage | 25 V |
| Icon | Phase Sequence indicator is active. |
| 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 |
This product is part of a family with 2 models. Select a model below to view details.
| Model | Price | |
|---|---|---|
FLK-1663 US | $2,407.99 | View Details → |
FLK-1663 SCHCurrent | $2,312.99 | Viewing |
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