HARFINGTON High Precision SEC Size Estimation Chart 93x58mm (3.66"x2.28") Transparency Flaw Detection Film Ruler

• Size - Total Size: 93x58mm/3.66"x2.28"(L*W); Thickness: 0.12mm/0.004".
• Material - The SEC size estimation chart is made of PET clear plastic, which is resistant and unbreakable. This film transparent ruler is very thin, as thin as paper, and much thinner than ordinary rulers.
• Features - Transparent film SEC pattern used for quality inspection and defect size estimation, with high accuracy, excellent transparency, minimal error caused by temperature, and long-term use.
• Applications - The high-precision film ruler is perfect for factories, research institutes, measuring rooms and workshops. It can be used to measure the area of a wide variety of products, accurately detect and calibrate various measuring instruments, measure the reduction rate of photo printing films and detect the size of optical projection maps, etc.
• Notice - You can use it with a magnifying glass. A magnifying glass makes it easy to measure the length of two or more consecutive points. We don't need expensive measuring instruments to get accurate readings.

• Position the Ruler — Place the HARFINGTON SEC Size Estimation Chart Ruler directly over the area requiring inspection, such as a defect on a product surface or a projection map.
• Align and Measure — Align the ruler's grid lines or patterns with the defect or area to be measured. Use a magnifying glass for enhanced visibility and precise readings of diameter or line width.
• Record Findings — Note the measurements obtained against the ruler's scale and transparency. This data can be used for quality control reports, instrument calibration, or further analysis.

Typical situations where HARFINGTON High Precision SEC Size Estimation Chart 93x58mm (3.66"x2.28") Transparency Flaw Detection Film Ruler helps — illustrative scenarios, not customer reviews.