What test voltages does the Fluke 1503 offer?

The tester provides two selectable test voltages of 500 V and 1000 V for insulation resistance from 0.01 MΩ to 2000 MΩ.

What accessories are included in the box?

It comes with a remote probe, test leads, test probes, alligator clips, a protective holster, and a user manual.

What power source does the Fluke 1503 use?

The instrument is powered by four standard AA alkaline batteries (LR6).

What safety category rating does this tester have?

It features a CAT IV 600 V overvoltage category rating and includes auto-discharge of capacitive voltage.

Can this instrument also measure standard voltage?

Yes, it measures AC/DC voltage from 0.1 V to 600 V and includes a 200 mA continuity test.

FLUKE 1503 Insulation resistance tester 500-1000 V / 0.1-2000 MOhm - 2427883

Name: FLUKE 1503 Insulation resistance tester 500-1000 V / 0.1-2000 MOhm - 2427883
Brand: FLUKE
SKU: 02951314
Price: 724.47 EUR
Availability: PreOrder

Supplier number: FLUKE 2427883 | EAN 0095969288668

Recommended Retail Price €795.36

724.47 tax incl.

€598.73 excl. VAT (incl. all environmental contributions)

On order: delivered from 21/11/2026

Ordered before 20:00 - delivered as of 21/11/2026
Free shipping
Delivery by DHL

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Dependable insulation testing with Fluke

Practical benefits

Versatile dual test voltages: You can handle essential electrical testing across various applications using the selectable 500V and 1000V test voltages.
Automatic discharge for safety: You stay protected with live circuit detection above 30V and automatic discharge of capacitive voltage after testing.
Convenient remote test probe: You easily perform repetitive or hard-to-reach measurements using the included remote probe with integrated test button.

In a nutshell

The right choise for

With the Fluke 1503 insulation tester, you can perform dependable insulation testing during preventive maintenance, troubleshooting, or commissioning of electrical systems. Featuring selectable test voltages of 500V and 1000V, it allows you to verify wiring integrity, motors, and distribution panels with ease. The included remote test probe streamlines repetitive measurements in tight panels. You stay protected on every job with a cat IV 600V safety rating, live circuit detection above 30V, and automatic discharge of capacitive voltage after each test. Capable of measuring AC/DC voltage and performing continuity checks, this tool delivers the practical versatility you need in the field.

Product information FAQ

€724.47

tax incl.

Contents of the package

Probe with remote control
Measuring leads
Measuring probes
Alligator clips
Yellow protective snap-on cover
User manual

Product description:

The Fluke 1503 insulation tester is compact, robust, reliable and user-friendly.
Thanks to its range of test voltages, it is ideal for a wide range of applications in troubleshooting, commissioning and preventive maintenance.

Key features

Carrying out repeated tests or tests in hard-to-reach places is easy with the remote test probe.
Detection of live circuits prevents insulation tests at voltages > 30 V, ensuring additional user safety
Automatic discharge of capacitive voltages for added user safety
AC/DC voltage: 0.1 V to 600 V
Continuity test: 200 mA
Resistance: 0.01 ohms to 20.00 kOhms
Insulation test range: 0.1 MOhm to 2000 MOhm
Insulation test voltages: 500 V
Longer battery life thanks to automatic switch-off
Easy-to-read measurements thanks to the large, backlit display
Overvoltage category CAT IV 600 V for extra user protection
Each tester comes with a remote-control probe, test leads, probes and alligator clips
Compatible with the optional Fluke TPAK magnetic hanging system, leaving your hands free for other tasks
Four AA alkaline batteries (NEDA 15 A or IEC LR6) for at least 1,000 insulation tests
One-year warranty

Brand FLUKE
02951314
EAN 0095969288668
Supplier number FLUKE 2427883

Frequently asked questions about this product

Answered by specialists

What test voltages does the Fluke 1503 offer?: The tester provides two selectable test voltages of 500 V and 1000 V for insulation resistance from 0.01 MΩ to 2000 MΩ.
What accessories are included in the box?: It comes with a remote probe, test leads, test probes, alligator clips, a protective holster, and a user manual.
What power source does the Fluke 1503 use?: The instrument is powered by four standard AA alkaline batteries (LR6).
What safety category rating does this tester have?: It features a CAT IV 600 V overvoltage category rating and includes auto-discharge of capacitive voltage.
Can this instrument also measure standard voltage?: Yes, it measures AC/DC voltage from 0.1 V to 600 V and includes a 200 mA continuity test.