Sonel MIC-5050 Insulation Resistance Meter

The Sonel MIC-5050 insulation resistance meter is a dependable tool for measuring insulation resistance up to 20 TΩ. This instrument is designed to conduct control tests on electric shock protection in AC power networks. Its purpose is to perform measurements that provide insights into the safety status of the installation.

This meter is recommended for electrical power services engaged in the assessment of electro insulating materials’ condition.

Features:

• Insulation resistance measurement up to 20 TΩ.
• Versatile measurement voltage range: 50 to 5000 V, adjustable in steps.
• Continuous display of insulation resistance or leakage current.
• Automatic discharge of object capacitance after measurement.
• Acoustic signals in 5-second intervals for time tracking.
• Adjustable measurement time up to 99 minutes and 59 seconds.
• T1, T2, and T3 test times for absorption coefficient measurements.
• PI, Ab1, Ab2, and DAR measurement.
• Actual test voltage display.
• 1.2 mA, 3 mA, or 6 mA test current options.
• Two- or three-wire insulation resistance measurement.
• Works with test leads up to 20 m.
• Protection against measuring live objects.
• Auto measurement of multi-core cables using optional AutoISO-5000 adapter.
• Capacitance measurement during RISO.
• Temperature measurement with ST-1 probe.
• Step voltage insulation resistance measurement (SV).
• Dielectric discharge calculation (DD).
• Burnout damage location.
• Digital filters for reliable measurements in strong electromagnetic interference.
• Suitable for environments with electromagnetic disturbances up to 400 kV.
• Measurement of DC and AC voltages up to 750 V.

Application: The MIC-5050 meter is designed to measure the insulation resistance of electrical power objects such as cables, transformers, motors, capacitors, switches, and other devices in power stations. It’s also suitable for areas with high electromagnetic disturbances, such as electrical substations with 765 kV voltage or higher.

Capabilities: The meter offers precise insulation resistance measurements up to 20 TΩ with a 5 kV test voltage and 6 mA current. It uses a three-wire method to eliminate surface leakage currents for more accurate results. It measures temperature for correction factors, indicates absorption coefficients, PI, and DD values. The device enables incremental voltage testing (SV) for consistent results. It can test multi-core cables efficiently using the AutoISO-5000 adapter. Built-in digital filters ensure stable measurements in electromagnetic interference.

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