Field Instruments

Product Overview

The Fluke 1503 Insulation Resistance Meter is a rugged, compact, and easy-to-use insulation tester designed for basic residential and commercial electrical insulation testing. Built in the same reliable form factor as the Fluke 1507, the 1503 focuses on essential insulation testing functions at an economical price, making it an excellent choice for electricians and maintenance technicians.

With insulation test voltages up to 1000 V, live circuit detection, and a convenient remote test probe, the Fluke 1503 allows safe, fast, and efficient insulation testing of wiring, circuits, motors, and electrical installations. Its compact handheld design fits comfortably in the palm of your hand, making it ideal for everyday field use.

Key Features

• Insulation resistance measurement from 0.01 MΩ to 2000 MΩ
• Two insulation test voltages: 500 V and 1000 V
• Live circuit detection prevents testing if voltage > 30 V is present
• Measures low resistance (earth bond continuity) up to 20.00 kΩ
• Remote test probe simplifies repetitive and hard-to-reach testing
• Automatic discharge of capacitive voltage for user safety
• Large, easy-to-read backlit digital display
• Auto power-off to conserve battery life
• Compact, lightweight, and rugged construction
• Ideal for residential and commercial electricians

Technical Specifications

Brand: Fluke
Model: 1503
Type: Insulation Resistance Meter

Insulation Test Voltages

• 500 V
• 1000 V

Insulation Resistance Range

• 0.01 MΩ to 2000 MΩ

Functions

• Insulation resistance measurement
• Earth bond (low-ohms) resistance measurement (200 mA)
• AC/DC voltage measurement
• Live circuit detection and test inhibit
• Automatic discharge after insulation testing
• Auto power-off

Display

• Large backlit digital LCD display

Safety Ratings

• CAT IV 600 V

Construction

• Rugged, compact handheld design
• Built for daily field use
• Accepts optional magnetic hanging system for hands-free operation

Power Supply

• Battery operated
• Uses 4 × AA alkaline batteries
• Supports at least 1000 insulation tests on fresh batteries

Applications

• Residential electrical insulation testing
• Commercial electrical system inspections
• Wiring and circuit insulation checks
• Motor and appliance insulation testing
• Earth bond continuity testing
• Routine electrical maintenance and troubleshooting

Why Buy from FieldInstruments.lk?

• 100% genuine Fluke instruments
• Fast delivery across Sri Lanka
• Competitive pricing
• Trusted supplier for professional test and measurement equipment
• Local technical support and reliable after-sales service

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk