Common faults and treatment methods of repairing Leeb hardness tester

1. The hardness value is inaccurate, and the error of about 50HL can be gradually checked and eliminated in several steps: 1) Power supply voltage: first check whether the power supply voltage of the Leeb hardness tester is normal; 2) impact device: remove all components of the impact device to clean up dust Or dirty things; 3) Control circuit: The internal circuit components of the control are damaged or changed and need to be returned to the factory for repair.

A teapot is a vessel used for steeping tea leaves or an herbal mix in boiling or near-boiling water, and for serving the resulting infusion which is called tea. Dry tea is available either in tea bags or as loose tea, in which case a tea infuser or tea strainer may be of some assistance, either to hold the leaves as they steep or to catch the leaves inside the teapot when the tea is poured. Teapots usually have an opening with a lid at their top, where the dry tea and hot water are added, a handle for holding by hand and a spout through which the tea is served. Some teapots have a strainer built-in on the inner edge of the spout. A small air hole in the lid is often created to stop the spout from dripping and splashing when tea is poured. In modern times, a thermal cover called a tea cosy may be used to enhance the steeping process or to prevent the contents of the teapot from cooling too rapidly.

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