Fluke 1674 FC Multifunction Installation Tester
The Fluke 1674 Multifunction Installation Tester boosts the efficiency of electrical testing with its ergonomic design and advanced capabilities. Engineered to handle the demands of domestic, commercial and industrial electrical systems, this tester meets the rigorous safety standards of IEC 60364 and IEC 61557.
It’s user-friendly interface and high-resolution color touchscreen simplify setup and testing, making it easy to navigate complex scenarios.
Beyond basic testing, the Fluke 1674 features integrated data management, providing a comprehensive solution for overseeing and reporting installation tests.
You can input site information, configure testing procedures directly on the device or via a PC, and adjust data in real-time, ensuring your records are precise and up-to-date. This reduces errors and streamlines the reporting process.
With its lightweight yet sturdy construction, the Fluke 1674 is ideal for any setting, from small residential projects to large industrial tasks.
It combines flexibility and reliability to ensure electrical systems are safe and compliant, setting a new benchmark for multifunction installation testing.
Specifications: Fluke 1670 Series Multifunction Installation Testers
General Specifications
Specification | Characteristic |
Size | 26.25 cm x 14.19 cm x 11.93 cm (10.3 in x 5.6 in x 4.7 in) |
Weight (incl. batteries) | 1.6 kg (3.5 lb) |
Battery size, quantity | BP290, Li-ion, 10.8 V, 2500 mAh, 27 Wh |
Ingress Protection | IEC 60529: IP40 |
Safety | Complies with IEC/EN 61010-1, IEC 61010-2-030, IEC 61010-2-034 |
Safety rating | CAT III 600 V, CAT IV 300 V |
Performance | IEC 61557-1 to IEC/EN 61557-8 and IEC 61557-10 |
Voltage measurement AC, DC, and frequency
Range | Resolution | Input Impedance | Overload Protection |
600 V | 0.1 V | 320 kΩ | 660 V |
45-66 Hz | 0.1 Hz | 320 kΩ | – |
Continuity testing (RLO)
Range (Auto ranging) | Resolution | Open Circuit Voltage |
20 Ω/200 Ω/2000 Ω | 0.01 Ω/0.1 Ω/1 Ω | > 4 V |
Insulation resistance measurement (RISO)
Test voltages | |||
1672 | 100-250-500-1000 V | ||
1673 FC/1674 FC | 50-100-250-500-1000 V | ||
Test Voltage | Insulation Resistance Range | Resolution | Test Current |
50 V | 10 kΩ to 50 MΩ | 0.01 MΩ | 1 mA @ 50 kΩ |
100 V | 10 kΩ to 20 MΩ 20 MΩ to 100 MΩ |
0.01 MΩ 0.1 MΩ |
1 mA @ 100 kΩ |
250 V | 10 kΩ to 20 MΩ 20 MΩ to 200 MΩ |
0.01 MΩ 0.1 MΩ |
1 mA @ 250 kΩ |
500 V | 10 kΩ to 20 MΩ 20 MΩ to 200 MΩ 200 MΩ to 500 MΩ |
0.01 MΩ 0.1 MΩ 1 MΩ |
1 mA @ 500 kΩ |
1000 V | 100 kΩ to 200 MΩ 200 MΩ to 1000 MΩ |
0.1 MΩ 1 MΩ |
1 mA @ 1 MΩ |
Insulation pretest
Insulation safety pretest | Connections from the Tester to L, N, and PE are required. |
Insulation pretestSurge Protection Device (SPD) Insulation RAMP Test (Varistor Test) IEC 61643-11
Test Voltage | Voltage Ranges | Resolution | Test Current | Accuracy |
500 V | Step Ramp 0 V to 500 V | 1 V | 1 mA | ± (1.5 % + 3 digits) |
1000 V | Step Ramp 0 V to 1000 V | 1 V | 1 mA | ± (1.5 % + 3 digits) |
Insulation Monitoring Devices (IMD) IEC 61557-8
Range | Resolution | Note |
1 kΩ to 10 kΩ | 1 kΩ | > 1 MΩ only available with voltages >100 V |
10 kΩ to 100 kΩ | 10 kΩ | |
100 Ω to 3 MΩ | 100 kΩ |
Loop and line impedance (ZI No Trip and Hi Current)
Range Setting | Resolution | Accuracy[1] |
10 Ω[2] | 0.001 Ω | Hi Current mΩ mode: ± (2 % + 15 digits) No Trip (2&3 wire) mode: ± (3 % + 6 digits) |
20 Ω | 0.01 Ω | Hi Current mode: ± (2 % + 4 digits) |
200 Ω | 0.1 Ω | No Trip mode: ± (3 %) Hi Current mode: ± (2 %) |
2000 Ω | 1 Ω | ± 6 %[3] |
- Valid for resistance of neutral circuit < 20 Ω and up to a system phase angle of 30°. Test leads must be zeroed before testing.
- Fluke Connect™ 1674 FC model only.
- Valid for mains voltage > 200 V.
Prospective Earth Fault Current (PEFC) Prospective Short Circuit Current (PSC)
Range | Resolution | Units |
0 kA to 50 kA | IK < 1000 A IK ≥ 1000 A |
1 A 0.1 kA |
Computation: Prospective Earth Fault Current (PEFC/IK) or prospective short circuit current (psc/IK) determined by dividing measured mains voltage by measured loop (L-PE) resistance or line (L-N) resistance, respectively.
Voltage drop (by line impedance test)
Range | Resolution | Accuracy |
0.0-99.9% | 0.1% | Consider accuracy of line impedance measurement(s) |
Note: Voltage drop reading is calculated from line impedance measurement & entered current rating
RCD tests, RCD types tested
RCD Type[1] | 1672 | 1673 FC | 1674 FC | |
AC[2] | G[3] | • | • | • |
AC | S[4] | • | • | • |
A[5], F[6] | G | • | • | • |
A, F | S | • | • | • |
B, B+[7] | G | • | • | |
B, B+ | S | • | • | |
RDC-DD, RCD A/EV, RCD B/Mi[8] | • | • | ||
GFCI | • | • | • |
- RCD test inhibited for V > 265 AC
- RCD tests permitted only if the selected current, multiplied by earthing resistance, is < 50 V.
- AC – Responds to AC
- G – General, no delay
- S – Time delay
- A – Responds to AC and pulsed signal
- F – responds to AC, pulsed and high frequency
- B, B+ – Responds to AC, pulsed, high frequency, and smooth DC
- RDC-DD – Responds to residual currents of 6 mA DC
RCD tripping time test (ΔT)
Test Function |
RCD Current Selection | ||||||
10 mA | 30 mA | 100 mA[1] | 300 mA[1] | 500 mA[1] | 1000 mA[2] | Var[3] | |
x½, 1 | • | • | • | • | • | • | • |
x5 | • | • | • | ||||
Ramp | • | • | • | • | • | • | • |
Auto | • | • | • |
Mains voltage 50 V – 265 V ac, 45/66 Hz
- Type B RCDs require mains voltage range of 195 V to 265 V.
- Type AC RCDs only.
- Type A RCDs are limited to 700 mA, not available for Type B RCDs.