1、 Before using the torque wrench, the specification and model of appropriate range shall be selected according to the strength grade and torque value requirements of fasteners, and it shall not be used beyond the range. When using right rotation, rotate the knob on the meter cover clockwise to make the memory pointer and active pointer point to the zero mark of the dial. When using left-hand rotation, rotate the knob of the meter cover counterclockwise to make the memory pointer close to the active pointer, and the active pointer points to the zero mark of the dial.

]二、在使用時(shí)，將指針扳手的方榫與緊固件對(duì)接(根據(jù)需要可直接對(duì)接，也可通過(guò)轉(zhuǎn)接套筒對(duì)接)，然后緩慢平穩(wěn)地施加扳擰力，直記憶指針指向所需的扭矩值。

]2、 When in use, butt the square tenon of the pointer wrench with the fastener (butt directly or through the adapter sleeve as required), and then slowly and stably apply the pulling force until the memory pointer points to the required torque value.

三、在停止施力后，主動(dòng)指針在彈性元件和機(jī)芯扭簧的作用下自動(dòng)回復(fù)零位，記憶指針仍停留在指示的刻度上，并準(zhǔn)確讀出扭矩值。旋轉(zhuǎn)表蓋上的旋鈕，使記憶指針也回復(fù)到零位，可進(jìn)行下一次使用。精量在使用時(shí)，還進(jìn)行定期的檢查和校正。

3、 After stopping the force application, the active pointer will automatically return to the zero position under the action of the elastic element and the movement torsion spring, the memory pointer will still stay on the indicated scale and accurately read out the torque value. Rotate the knob on the meter cover to return the memory pointer to the zero position for the next use. When the precision is used, it is also checked and corrected regularly.

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