Supply flatbed platform needle detector needle for use: platform needle detector www.sh-shenyi.cn/products-detail.asp?cpid=13 1, platform type needle machine will be placed in a flat position (such as a desktop or table), connect the power, start switch button. 2, the sensitivity of the platform type needle machine is adjusted to the proper position, the standard is: meet the testing standards of the test card will be properly detected, the sensitivity is equal to or higher than this standard can be. 3, will be detected items (products) close to the machine detected by detecting surface area (must have a certain speed, probably normal wave speed). 4, correctly judge the testing situation, such as: machinery and audible alarm, indicating that the detected electromagnetic articles containing metal impurities, product failure. Recommended: Wide needle to www.sh-shenyi.cn/products-detail.asp?cpid=21 all-metal metal detector www.sh-shenyi.cn/products-detail.asp?cpid=34