Timer & Rasor CPV-4 Digital Voltmeter
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All-in-One Device for Cathodic Protection Potential Measurements. The CPV-4 is a DC digital voltmeter with an input resistance of 20 meg ohm and two voltage ranges.
All-in-One Device for Cathodic Protection Potential Measurements. The CPV-4 is a DC digital voltmeter with an input resistance of 20 meg ohm and two voltage ranges.