Metrel MI 3252 MicroOhm

The Metrel MI 3252 MicroOhm 100A is a portable low-resistance ohmmeter designed for precise measurement of low contact resistances in circuit breakers, switches, and busbar joints. Utilising test currents ranging from 100 mA to 100 A, this instrument ensures exceptional accuracy (0.25%) with its 4-lead Kelvin testing method, which eliminates the influence of test lead resistance. The device is versatile, operating on both mains supply and an internal rechargeable battery. Additionally, the bundled PC software, HVLink PRO, enables easy downloading, analysis, and exporting of test results, along with the ability to generate test reports.

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• Portable and robust construction optimized for field use.
• Wide test current range (100 mA – 100 A) suitable for various applications.
• 4-lead Kelvin testing method for superior measurement precision.
• Dual power source with a rechargeable battery for up to 8 hours of operation.
• Complete accessory set included for convenience and immediate use.
• Supplied HVLink PRO software for advanced data management.

• Test Current Range: 100 mA to 100 A
• Accuracy: ±0.25%
• Power Supply: Mains or internal Lithium-Ion battery
• Battery Life: Up to 8 hours of continuous use
• Operating Temperature Range: 0 °C to +35 °C
• Nominal Temperature Range: 18 °C to +28 °C
• Storage Temperature Range: -30 °C to +60 °C
• Dimensions (W x H x L): 410 mm x 175 mm x 370 mm
• Weight (Without Accessories): ≤ 12 kg

Standard Set Includes

• Featured Instrument MI 3252 MicroOhm 100A.
• Current test leads with crocodile clips (5 m, 25 mm², 2 pcs).
• Potential test leads (5 m, 2 pcs – red, black).
• Test probes (2 pcs – red, black).
• Crocodile clips (2 pcs – red, black).
• Mains cable, RS232 cable, and USB cable.
• Bag for accessories.
• PC Software HVLink PRO.
• Instruction manual.
• Calibration certificate.

• High Accuracy: Achieves precise measurements by eliminating test lead resistance using the 4-lead Kelvin method.
• Versatility: Operates reliably on mains power or battery, ensuring flexibility even in remote locations.
• User-Friendly Interface: Central LCD screen simplifies setup and observation of readings.
• Comprehensive Reporting: HVLink PRO software enables seamless data analysis and professional report generation.
• Portability: Compact design and accessory bag for easy transport.

The MI 3252 MicroOhm 100A is ideal for professionals in the power and energy sector seeking precise and reliable measurements. Common applications include:

• Testing circuit breaker contact resistance.
• Verifying switch connections for integrity.
• Assessing the conductivity and resistance of busbar joints.
• Routine maintenance and troubleshooting tasks in power distribution systems.