Fluke Insulation Tester 500 V Min, 1 kV Max, 2000 mΩ, CAT IV 600V, CAT III Safety Ratings FLUKE 1503

Fluke FLUKE 1503 Insulation Tester is a professional handheld instrument designed for precise electrical insulation resistance testing in industrial environments. It supports selectable test voltages from a minimum of 500 V up to a maximum of 1 kV, making it ideal for thorough insulation assessments on distribution equipment and motor windings. The tester features a 1 mA test current which ensures stable charging during measurement of capacitive systems.

This model includes a backlit LCD screen that enhances visibility in dimly lit or challenging field conditions, enabling accurate readings regardless of lighting. Powered by AA batteries, the device is easy to maintain and supports field readiness.

It carries high safety category ratings of CAT IV and CAT III at 600 V, allowing safe operation on live distribution and supply-side systems. The tester is built to function reliably in temperatures ranging from -20°C to +50°C.

The compact form factor measuring 203 mm in length, 100 mm in width, and 50 mm in height, and weighing just 550 grams, allows for convenient portability and ease of use on site. Its construction meets ANSI, CAN/CSA, EN, IEC, and ISA standards, affirming compliance with key international safety and performance requirements.

The FLUKE 1503 is supplied with essential accessories including a remote probe, test leads, test probes, alligator clips, and a holster to protect and carry the unit. This makes the device a complete solution for commissioning, maintenance, verification, and troubleshooting of electrical insulation in commercial and industrial applications.

Designed for high-voltage insulation assessments with up to 1000 V test voltage. Equipped with 1 mA test current for stable charging of capacitive systems. Features a backlit LCD display for easy reading in low light conditions.

Powered by replaceable AA batteries for convenient field operation. Rated CAT IV and CAT III at 600V, suitable for distribution and supply systems. Operates reliably across ambient temperatures from -20°C to +50°C. Compact and portable design with dimensions 203mm x 100mm x 50mm and weight of 550 g.

Comes with a comprehensive kit including remote probe, test leads, probes, alligator clips, and holster.

Ideal for industrial, electrical maintenance, HVAC, manufacturing, and field service applications, the FLUKE 1503 delivers accurate and safe insulation resistance measurement. It supports commissioning of electrical distribution equipment and troubleshooting insulation degradation on motor windings and cables. Browse the Electrical Test & Measurement category for more Fluke instruments and accessories on EnvMart.