Fluke 1503 Insulation Resistance Tester
by Fluke
Last updated Mar 29, 2026 · 2 revisions
Compact insulation tester with 500/1000V test voltages, 2000 MOhm range, live circuit detection, and CAT IV 600V safety for HVAC electrical maintenance.
Highlights
Media

About This Product
The Fluke 1503 is a compact insulation resistance tester offering 500V and 1000V test voltages with measurement range up to 2000 MOhm. Features automatic live circuit detection that prevents insulation testing if voltage above 30V is present, auto-discharge of capacitive voltage, and resistance measurement from 0.01 Ohm to 20 kOhm. CAT IV 600V rated for safe use on HVAC distribution systems. Weighs just 1.2 pounds with remote probe, test leads, and alligator clips included.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Not available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- On Premise
FSH Score Breakdown
Customer Reviews
Features
Equipment & Asset Management4features
Hardware Features2features
Compliance & Safety2features
Technician Management1feature
Integrations 1 across 1 category
Industry-Specific 1
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
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