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Fluke’s 1663 Multifunction Installation Tester tests to all local regulations, protects appliances connected to the system under test and yields test results for comprehensive documentation that can shared via smartphones. Equipped with full-featured functionality, top measurement proficiency and other advanced features, the 1663 still remains simple with its intuitive operation.
Set up and sustain preventive maintenance procedures easily using the Fluke Connect® system of wireless test tools and asset management software.
- • Improve your ability to prevent or predict machine failures
- • Make confident decisions with data you can trust and track
- • Access your infrared images from anywhere, anytime with secure cloud storage
- • Connect and collaborate with your team – even when you are in different places
- • Provide more complete information to your maintenance teams
- • Generate work orders that include measurements and infrared images
- • Edit and analyze images; create and send reports from your smartphone directly from the field
Included accessories
- • Heavy duty, single input line cord
- • Hard case
- • Remote control probe
- • Zero adapter
- • Withstands a drop of 1 meter
- • Compact, lightweight (less than 1.3 kg) and padded neck-strap to free your hands for all day testing
| 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 @ 50 kΩ 1 mA @ 100 kΩ 1 mA @ 250 kΩ 1 mA @ 500 kΩ 1 mA @ 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 | AC¹ G²,S³ | |
| Model 1663 | A4, AC¹, G²,S³ | |
| Notes | ¹Responds to AC ²General, no delay ³Time delay 4Responds to pulsed signal 5Responds 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 | ¹1000 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% 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 | |
| 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 | |
| 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. | |
| 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 | |
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