Timer & Rasor CPV-4 Digital Voltmeter
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.