Cathodic Protection Digital Voltmeter – Model CPV-4 Precision Voltage Testing for Corrosion Control and CP Systems

Description

The Cathodic Protection Digital Voltmeter (Model CPV-4) is a high-impedance handheld voltmeter designed specifically for accurate measurement of CP (Cathodic Protection) potentials in the field. With a 20 Meg Ohm impedance and a highly accurate digital LCD display, the CPV-4 ensures minimal circuit loading, delivering precise voltage readings between structures, reference electrodes, and grounding systems.

Engineered for professional corrosion technicians and field inspectors, the CPV-4 Cathodic Protection Digital Voltmeter is compatible with Tinker & Rasor’s 6A and 6B reference electrodes and features rugged construction for dependable use in demanding environments. Whether you’re evaluating structure-to-soil or structure-to-structure potentials, the CPV-4 delivers reliable performance.

Product Benefits

• High Accuracy & Sensitivity – ±0.1% accuracy with dual voltage ranges (0–0.999V and 0–19.99V) for comprehensive CP system evaluations.
• High Impedance Input (20 MΩ) – Prevents voltage drop, ensuring true potential readings even in high-resistance soils.
• AC Interference Filtering – Built-in filtering enhances accuracy by eliminating stray signals.
• Compact & Portable – Handheld and battery-powered with a protective carrying case for field readiness.
• Easy-to-Read Display – Digital LCD screen clearly displays voltage readings, including polarity (+/-).
• Compatible with T&R Reference Electrodes – Designed for use with Model 6A and 6B Cu/CuSO₄ half cells.
• Field Proven Durability – Housed in a rugged die-cast aluminum case with a powder-coated finish for corrosion resistance.

Typical Applications

• Cathodic protection potential measurements
• Structure-to-earth potential testing
• Structure-to-structure voltage comparisons
• Pipe-to-soil and tank-to-soil evaluations
• Routine CP maintenance and troubleshooting
• Use with half-cell reference electrodes in buried pipeline inspections

What’s Included in the CPV-4 Kit

• CPV-4 Cathodic Protection Digital Voltmeter (with 9V battery installed)
• 5 ft coiled test lead with banana jack and clamp (black)
• 5 ft coiled test lead with banana jack and spade connector (red)
• Model 6A or 6B Cu/CuSO₄ Reference Electrode
• Rugged carrying case with foam insert
• Instruction manual
• Certificate of Calibration

Stay compliant and confident with every CP survey using the Model CPV-4 Cathodic Protection Digital Voltmeter from Unconventional Solutions—your trusted source for corrosion prevention tools and measurement equipment.