Measurement function
| 1664 FC | 1663 | 1662 |
Insulation-PreTest™ safety function New
| • | ||
Insulation at L-N, N-PE and L-PE
inputs New
| • | ||
Automatic test sequence New
| • | ||
Loop and line resistance–mΩ
resolution
| • | ||
Continuity at L-N, N-PE and L-PE
inputs New
| • | • | |
Test smooth dc sensitive RCDs (Type
B)
| • | • | |
Earth resistance
| • | • | |
Voltage (True-rms) and
frequency
| • | • | • |
Wiring polarity checker, detects
broken PE and N wires
| • | • | • |
Insulation resistance
| • | • | • |
Continuity and resistance
| • | • | • |
Measure motor windings with
continuity test (@ 10 mA)
| • | • | • |
Loop and line resistance
| • | • | • |
Prospective earth fault current
(PEFC/IK)
| • | • | • |
Prospective short-circuit current
(PSC/IK)
| • | • | • |
RCD switching time
| • | • | • |
RCD trip time
| • | • | • |
RCD trip current (ramp test)
| • | • | • |
Measures trip time and current for
RCD type A & ac in one test
| • | • | • |
RCD variable test current
| • | • | • |
Automatic RCD test sequence
| • | • | • |
Phase sequence test
| • | • | • |
Other features | |||
Fluke Connect compatibility New
| • | ||
ShareLive™ Calling New
| • | ||
FlukeCloud™ Storage New
| • | ||
On/Off switchable auto-start for RCD
and looptest New
| • | • | • |
Self-test
| • | • | • |
Illuminated display
| • | • | • |
Memory, interface | |||
Z max memory New
| • | • | |
Memory
| • | • | • |
IR-USB and BLE interface (use with
optional Fluke DMS and FVF software)
| IR-USB/BLE | IR-USB | |
Included accessories | |||
Heavy duty, single input line
cord New
| • | • | • |
Hard case
| • | • | • |
Remote control probe
| • | • | • |
Zero adapter
| • | • | • |