Insulation Resistance Testers – Accuracy and Safety for Your Electrical Installations
Ensure the quality and safety of your electrical systems with our high-accuracy insulation resistance testers. Designed for maintenance professionals, electrical installers, and engineers, our instruments meet the highest international standards.
What is an insulation resistance tester?
It is an instrument designed to verify the condition of electrical insulation in cables, motors, transformers, and other equipment. It uses a DC voltage to measure how much resistance the insulation offers to the flow of current. The higher this resistance, the better the condition of the insulation.
Why is it important to use one?
- Prevents electrical failures: Detects insulation deterioration before it turns into short circuits or fires.
- Protects people: Minimizes the risk of electric shock in industrial, commercial, and residential installations.
- Saves repair costs: Enables predictive maintenance, avoiding unexpected shutdowns and major damage.
- Meets regulations: Essential for electrical certifications and compliance with international standards such as IEC, IEEE, and NFPA.
✅ Main features:
- Measurement ranges from 500 V to 5,000 V.
- Accurate readings up to 10 TΩ.
- Automatic test, timer, and safe discharge functions.
- Backlit digital display for reading in low-light environments.
- Overload protection and rugged design for field use.
Applications:
- Inspection of motors, transformers, and cables.
- Insulation testing on medium- and low-voltage systems.
- Preventive maintenance and diagnostics in industrial plants.
Insulation Resistance Testers
1. Fluke 1537
- Test voltages: 250 V, 500 V, 1000 V, 2500 V
- Measurement range: Up to 500 GΩ
- Key functions: Automatic calculation of Polarization Index (PI) and Dielectric Absorption Ratio (DAR), up to 1,300 measurements per charge
- Ideal for: Industrial and photovoltaic installations
2. Megger MIT525
- Test voltages: 250 V, 500 V, 1000 V, 2500 V, 5000 V
- Measurement range: Up to 1000 GΩ
- Key functions: Standard and ramp test modes, internal memory, USB interface for data download
- Ideal for: Maintenance of industrial machinery and transformers
3. HT Instruments HT7051
- Test voltages: 100 V to 5000 V (adjustable)
- Measurement range: Up to 10 TΩ
- Key functions: FIX, ADJUST, and RAMP test modes, PI and DAR measurement, internal memory, RS232/USB interface
- Ideal for: Testing high-voltage cables, transformers, and industrial equipment
Why choose these models?
- High accuracy and reliability: Designed to deliver accurate measurements in demanding industrial environments.
- Application versatility: Suitable for a wide range of electrical equipment, from cables to heavy machinery.
- Ease of use and safety: Intuitive interface, advanced functions, and safety features to protect the user and the equipment.
Choose the ideal tester for your job!
We have equipment available for industrial, commercial, and residential use, all with warranty, technical support, and personalized advice.
Shipping nationwide
Professional service
Optional technical training
Contact our team now!
