The Chauvin Arnoux CA 6545 Megohmmeter is a robust, portable digital insulation tester designed for comprehensive qualitative and quantitative analysis of electrical insulation in cables, motors, transformers, and other electrical equipment. Built into a rugged, site‑proof housing, it supports a wide measurement range from approximately 10 kΩ up to 10 TΩ, covering low to very high insulation resistance values for thorough diagnostics. The CA 6545 accommodates multiple fixed test voltages (500 V, 1 kV, 2.5 kV, 5 kV) and features an adjustable test voltage from 40 V to 5,100 V, enabling tailored testing across a broad set of insulation conditions.

The instrument chauvin arnoux insulation tester large backlit LCD with digital readout and bar graph enhances readability in the field, while built‑in functions automatically calculate insulation quality indicators such as DAR (Dielectric Absorption Ratio), PI (Polarization Index), and DD (Dielectric Discharge) and store resistance versus time (R(t)) curves for extended analysis. Programmable test durations, test voltage locking, smooth measurement filtering, and adjustable alarms provide flexibility and help ensure consistent, reliable results. Additionally, the Chauvin Arnoux CA 6545 can measure voltage, capacitance, and residual current, offering broader test coverage in a single instrument.

Powered by an internal rechargeable NiMH battery, the Chauvin Arnoux CA 6545 delivers extended field operation (up to 30 days of typical use) and also supports AC mains operation with internal charging, making it ideal for both on‑site insulation verification and laboratory use. Electrical safety is certified to IEC 61010‑1 CAT III 1000 V and CAT I 2500 V, and IEC 61557 standards, ensuring safe operation across a range of applications. Supplied accessories typically include HV safety leads, guarded leads, a mains cable, manuals, and a carrying bag for convenient transport.

Chauvin Arnoux CA 6545

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