Fluke 1662 Multifunction Installation Tester

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)

Accuracy of tTest voltage (at rated test current)

+10%, -0%

Test voltage

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

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

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, x 6

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