High-voltage DC holiday detector from Elcometer, available from the rental fleet of Advanced Test Equipment Corp. (ATEC) in San Diego. It is used to find pinholes and porosity in protective coatings on pipelines and other coated steel by detecting a spark where the coating is breached. A built-in calculator sets the test voltage from the coating thickness, an internal voltmeter confirms the output, and lights on the handle plus a buzzer flag each fault. The maximum voltage depends on the handle fitted: 5, 15 or 30 kV DC. The packing list covers the gauge, battery and charger, handle cable, 10 m return lead, brush, strap and carry case.

Key details

• Adjustable 0.5 to 30 kV DC (5, 15 or 30 kV handles)
• Voltage calculator sets test voltage from coating thickness
• Internal voltmeter (jeep tester)
• Visual and audible holiday alarms
• Waterproof ABS case; base unit 1.2 kg
• Designed to EN 61010

What is included

• Elcometer 266 DC holiday detector
• Battery pack
• Charger with UK, EUR, US and AUS plugs
• Curly connection cable for high-voltage handle
• 10 m signal return lead
• Band brush
• Shoulder strap
• Plastic carry case and operating instructions

Hiring this item

Available for hire from Advanced Test Equipment Corp. (ATEC), San Diego, California, United States. Hire rate: USD 529 per month (Monthly rental rate shown; other terms by quote).

Checked as available on 14 September 2026. Stock, prices and terms change, so confirm with the hire company before you commit. See the hire company’s own listing.