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Fluke 1664 FC Installation Multifunction Tester

Fluke 1672 Installation Multifunction Tester

The Fluke 1672 Installation Multifunction Tester – A single solution for all your basic installation testing needs — simplified setup, faster testing.

Ergonomic design with a high-resolution colour touchscreen
Complies with IEC 60364 and IEC 61557 safety standards
Integrated data management for accurate and efficient reporting
Suitable for domestic, commercial, and industrial applications

Fluke 1670 Series User Manual

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Categories: Building Infrastructure, FLUKE, Installation Testers, Test Equipment For Electricians Tags: INSTALLATION AND EVSE SAFETY TESTER, Installation Safety Testers, Safety Testers

Fluke 1672 Multifunction Installation Tester

The Fluke 1672 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.

With its lightweight yet sturdy construction, the Fluke 1672 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.

Features

Comparison of the Fluke 1670 series

	1672	1673 FC	1674 FC
Full-color touch screen	•	•	•
Insulation PreTest safety function			•
Insulation at L-N, L-PE, N-PE inputs	•	•	•
Auto Test sequence		•	•
Auto pass/fail results	•	•	•
Loop and line impedance — mΩ resolution			•
Continuity at L-N, L-PE, N-PE inputs	•	•	•
Test smooth DC sensitive RCDs (Type B/B+)		•	•
Earth resistance		•	•
Voltage AC, DC, 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 impedance	•	•	•
Prospective Earth Fault Current (PEFC/IK)	•	•	•
Prospective Short-Circuit Current (PSC/IK)	•	•	•
RCD trip time	•	•	•
RCD trip current (ramp test)	•	•	•
Measures trip time and current for RCD type AC, A, and F in one test	•	•	•
RCD variable test current	•	•	•
Automatic RCD test sequence	•	•	•
Phase sequence test		•	•
Voltage drop measurement	•	•	•
Insulation Monitoring Device (IMD) test			•
Surge Protection Device (SPD) test			•
Other features
Fluke Connect compatibility		•	•
Fluke Cloud storage		•	•
On/Off switchable Auto Start for continuity, RCD, and loop test	•	•	•
Illuminated display	•	•	•
Memory, interface
Z Max memory		•	•
Memory	•	•	•
USB-C, and BLE interface	USB-C	USB-C/BLE	USB-C/BLE

Specifications

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 (R_LO)

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 (R_ISO)

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	I_K < 1000 A I_K ≥ 1000 A	1 A 0.1 kA

Computation: Prospective Earth Fault Current (PEFC/I_K) or prospective short circuit current (psc/I_K) 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
Test Function	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.

RCD Tripping Current (I_ΔN) Measurement/Ramp Test

Current Range	Step Size	Dwell Time		Measurement Accuracy
		Type G	Type S
30 % to 110 % of RCD-rated current^[1]	10 % of I_ΔN ^[2]	300 ms/step	500 ms/step	± 5 %

1. Specified trip current ranges (IEC 61008-1):

30 % to 150 % for Type A IΔ N > 10 mA
30 % to 210 % for Type A IΔ N = 10 mA
20 % to 210 % for Type B
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 B2. 5 % for Type B

Earth resistance test (RE) 1673 FC and 1674 FC only