M1 Battery Operated 67.5V

$465.00

Verify a pinhole-free coating using the Tinker-Rasor low voltage wet sponge holiday detector.

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Ships on December 15, 2025

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SKU: 213318 Category:
Description

Ensure flawless coating integrity with the Tinker-Rasor M1 Battery Operated 67.5V, a trusted solution for detecting pinholes and flaws in nonconductive coatings. Operating at 67.5 volts, this portable, solid-state, transistorized device uses a wet sponge method with potable water and a ground wire to complete the circuit. When a defect is found, the detector provides an audible alarm and a red indicator light, ensuring accurate and immediate detection.

Designed for coatings up to 20 mils thick on conductive substrates, the M1 offers nondestructive testing with no spark hazard. It conforms to ASTM D5162 standards, making it ideal for industrial and pipeline applications. The unit includes batteries, a 15-foot ground wire, and an 18-inch phenolic wand with sponge, ready for use out of the box.

M1 Battery Operated 67.5V Key Features:

  • Low-voltage holiday detector (67.5V)
  • Detects pinholes and flaws in coatings up to 20 mils
  • Audible alarm and red light indicator for accuracy
  • Portable, battery-operated design
  • Includes wand, sponge, ground wire, and batteries
  • Conforms to ASTM D5162
  • Made in the USA

Applications:
Perfect for verifying coating integrity on tanks, pipelines, and industrial equipment where safety and precision matter.

Additional information
Weight 3.0500 lbs