Fluke 1663 Installation Tester

Fits electrical installation and EV-charger verification where you need earth resistance, Type B smooth-DC RCD, and 6 mA RDC-DD testing in addition to insulation, loop/line, and RCD A/AC — beyond the basic 1662 feature set.

Key advantages

• Multifunction install suite — insulation 50–1000 V, continuity, loop/line, RCD A/AC/B, earth, and AC voltage to 500 V.
• EN61557-oriented — accuracy tables published against installation-tester norms.
• Field power — 6× AA alkaline (NiMH usable); IP40; operating −10…+40 °C.
• Detachable lead set — 4 mm leads, country mains cord, and zero adapter for site work.

Typical applications

• Electrical installation verification before energizing circuits.
• Periodic RCD, insulation, and loop testing on commercial sites.
• Contractor kits that need one multifunction tester instead of separate meters.

Selection guide

• Functions — AC voltage to 500 V; insulation 50–1000 V; continuity L-N/N-PE; loop/line; RCD A/AC/B; earth resistance; phase sequence; EV 6 mA RDC-DD.
• Accuracy — Per EN61557 and Fluke 166x specification tables (function-dependent).
• Supply — 6× AA alkaline IEC LR6 (usable with 1.2 V NiMH).
• Electrical connection — Detachable 4 mm leads; country-specific mains cord; zero adapter.
• IP — IP40 (IEC 60529).
• Ambient — Operating −10…+40 °C; storage −10…+60 °C (battery-limited); operating altitude 2000 m.
• Display — Dual display with backlight.
• Communication — TruTest / DMS software compatible.
• CAT / safety — IEC 61010-1 Pollution Degree 2; IEC 61010-2-030 300 V CAT IV / 500 V CAT III; EN61557-1/-2/-3/-4/-5/-6/-7/-10 (model-dependent earth/phase); IEC 61326-1 Portable.
• Mounting — Handheld / portable installation tester.

Common mistakes

• Ordering 1662 when earth resistance, Type B RCD, or EV 6 mA RDC-DD are on the job sheet — those require 1663.
• Ignoring CAT limits (300 V CAT IV / 500 V CAT III) for the distribution or EV supply under test.
• Expecting IP66 plant sealing — rating is IP40.
• Assuming TruTest / DMS reporting is configured out of the box — confirm software licensing in the RFQ.
• Using outside −10…+40 °C operating ambient without checking battery-limited storage limits.
• Test & measurement instruments · Test & measurement buying guide

When to RFQ / what to tell us

1. Required tests (earth resistance, Type B RCD, EV 6 mA RDC-DD, insulation 50–1000 V, loop, RCD A/AC/B, phase sequence).
2. EV-charger / RDC-DD duty confirmation if applicable.
3. Mains cord country variant and lead set needs.
4. TruTest / DMS software requirement.
5. Quantity, ship-to country, spare battery preference (6× AA / NiMH).

Request a Quote · Get selection help

Specs

Documents

• Fluke 1663 datasheet (PDF)

FAQ

Q: What does 1663 add over 1662? A: Earth resistance, L-N/N-PE continuity inputs, Type B smooth-DC RCD, and EV 6 mA RDC-DD, plus insulation called out as 50–1000 V and RCD A/AC/B.

Q: Is it suitable for EV charger RDC-DD checks? A: OEM extract lists EV 6 mA RDC-DD among measuring functions. Confirm local test procedure and TruTest/DMS reporting needs in the RFQ.

Q: What CAT rating applies? A: IEC 61010-2-030 300 V CAT IV / 500 V CAT III. Match to the system under test.

Q: What should I send for a quote? A: Required functions (especially earth / Type B / EV), cord country, software need, quantity. Compatible with workflows using Fluke 1663 — we do not claim authorized-dealer status.

Links

• Test & measurement instruments · Test & measurement buying guide
• Request a Quote · Get selection help