Supco M501 Electronic Megohmmeter for Service, 1000 Megohms Insulation Resistance, 1,000V Test Voltage

The Supco M501 electronic megohmmeter is an insulation tester designed to measure insulation resistance up to 1,000MΩ with a 1,000V test voltage. This device is commonly used in the maintenance and testing of electrical equipment, such as motors, switchgears, and other insulated components, in industries like HVAC, transportation, manufacturing, mining, and utilities.

The meter features a zone-type scale that clearly indicates the insulation condition as "bad", "caution", or "good", making it easy for users to interpret the readings. The unit is housed in a durable, hard-shell case that provides portability and protection, ensuring it can withstand the demands of field work.

Along with the megohmmeter, the package includes a set of test leads with alligator clips, allowing users to easily connect the device to the circuit or component being tested. This comprehensive kit enables efficient and reliable insulation resistance testing.

Megohmmeters, also known as insulation testers, are essential electrical test instruments that measure the resistance to the flow of current in a circuit or component. By detecting issues like degraded insulation and improper connections, these meters help identify and address potential electrical problems in a wide range of equipment and systems.

The measurement process involves connecting the test leads in series between the megohmmeter and the circuit or device under test. The meter then calculates the difference in voltage between the leads and measures the resistance, which serves as an indicator of the overall condition of the tested item.

Supco, the manufacturer of the Supco M501 megohmmeter, has been producing test instruments and replacement parts for HVAC and refrigeration systems since 1945. The company is headquartered in Allenwood, New Jersey, and is known for its high-quality products and reliable customer support.

In summary, the Supco M501 electronic megohmmeter is a versatile and durable insulation tester that provides a 1,000V test voltage and measures resistance up to 1,000MΩ. Its zone-type scale, portable design, and comprehensive accessories make it a valuable tool for electrical maintenance and testing in various industries.

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