Fluke 1664 - FC Multifunction Installation Tester
Protect appliances, share results wirelessly, perform seven tests with one touch
The Fluke 1664 FC Installation Tester is the only tester with "Insulation PreTest." If the tester detects that an appliance is connected to the system under test, it stops the insulation test, helping eliminate accidental damage. The 1664 FC also gives you Fluke Connect®, so you can send test results to your smartphone and collaborate with others. Auto Test performs seven tests with one press of the button, reducing the number of manual connections and decreasing the possibility of making errors.
Insulation pretest
Protect the installation. Avoid costly mistakes.
The Fluke 1664 FC Installation Tester is the only installation tester with "Insulation PreTest," which warns you about potentially serious and costly mistakes. If the tester detects that an appliance is connected to the system under test, it will stop the insulation test and provide a visual warning. This helps eliminate accidental damage to peripheral equipment and keeps your customers happy.
Fluke Connect and FlukeCloud™ Storage
Share from anywhere.
Stay on the same page even when you and your team are in different places. Fluke Connect allows your 1664 FC Installation Tester to send test results to your smartphone so you can connect and collaborate with others. It's the fastest way to let your team see what you see, helping you get approvals without leaving the field.
Retrieve stored results from anywhere
FlukeCloud™ storage allows you to retrieve stored results whether you are in the office or in the field to make decisions in real time. Plus you can import the data into Fluke DMS to process and generate certificates. Plus you get world-class data protection. Safe. Secure. Fast. More accurate. All from the power of Fluke Connect.
Auto Test reduces test time up to 40%
Auto Test does all required installation tests in one sequence, ensuring compliance with local installation regulations. It reduces the number of manual connections, decreases the possibility of making errors and reduces test time up to 40% from previous Fluke models.
The 1664 FC puts more power in your hands by quickly and efficiently testing to all local regulations, protecting appliances that may be inadvertently connected to the system under test, and making it easy to share test results over your smartphone.
- Autotest to test line/loop impedance, RCD trip current / trip time, insulation tests with a single connection and the press of a single button.
- Additional high current loop mode. Faster measurements compared to loop tests with non-trip mode for RCDs.
- Z-max memory for loop tests – easy evaluation of the highest loop test value.
- Unique zero adapter for fast, always reliable and accurate test lead and mains cord compensation.
- Fast voltage measurement between L-N, L-PE and N-PE using the mains cord. No need to change measurement connections.
- Measure RCD trip current & trip time in parallel (RCD type AC and A).
- Two measurements at once and a dual display. PEFC or PSC and loop impedance are measured and displayed in parallel, saving you time.
- Ring testing – select the required input sockets with soft keys – no need to exchange test leads.
- Automatic test start for Loop & RCD tests – as soon as mains voltage is stable it starts testing.
- Earth Volt Touchpad detects raised earth voltages >50 V, indicating potential dangerous situations.
- Supplied with the safety designed SureGrip™ test leads and clips which gives the user a comfortable, reliable grip and consistent results.
- Rotary dial knob indicates clearly which function is selected, all in one spot with no complex multi-level menus.
- Large display with backlight, clear symbols and with exceptionally wide viewing angle for easy and safe readings.
- PASS/FAIL indication for RCD test results.
- Variable RCD current mode for customized settings.
- Loop & line resistance with mΩ resolution.
- Test smooth dc sensitive RCDs (Type B).
- Extended memory with 3 layers.
- Use continuity test currents to measure motor windings.
- 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 |
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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 |
|
| 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 1664 | A, AC, B5, S | |
| 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 |
|
| 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 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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