High-precision needle flame tester - 12 mm needle flame, high-temperature flame simulation, flame retardant testing equipment for electronic and electrical appliances Product Introduction: The NF-2 needle flame tester is built to check how well your electronic products, plastics, and insulation resist fire. It imitates a small flame from a malfunction and lets you set flame height, burn time, and angle. This helps you see how your products might catch fire in real life, so