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IDR20 - Digital Voltage and Frequency Indicator
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Digital Voltage and Frequency Indicator IDR20
Voltage measurement (50 to 500 VAC) and frequency (0 to 99 Hz)
Round digital display
Power supply in the range of 50 to 500 VAC
Available in green and red
Choose your option
IDR20 - Digital Voltage and Frequency Indicator
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Why buy Metaltex?
With tradition and innovation, Metaltex delivers reliable solutions in automation and electro-electronic components for those who demand performance and safety.
Consolidated National Industry
More than six decades of operation in Brazil, offering products developed with rigorous technical standards and market recognition.
Complete Portfolio
More than 5,000 items for electrical protection, automation, and control, making it easier to purchase from a single supplier.
Quality and Compliance
Products manufactured and tested in accordance with technical standards, ensuring safety and performance in industrial applications.
Specialized Technical Support
Our team is prepared to guide you in choosing the ideal solutions for each project or technical need.

