Spark testers for testing welds in plastic sheets and membranes

Spark testers for testing butt welds and overlap welds in plastic sheets and membranes.
Ensure weld integrity with our reliable spark testers for plastic sheets.

Holm & Holm’s spark testers are essential for professionals who demand flawless welds. Designed for accuracy and ease of use, they help you verify the quality of plastic membrane welds with confidence.