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电子天平标定方式及平时维护保养

Update time:2020-03-12 10:59:23The number of clicks:3215TimesSize:T|T
电子天平空载灵敏度:轻轻地拧开旋钮以学会放下天平横梁,记录下来天平零点后,合上旋钮托起天平横梁。用医用镊子取放10mg圈码,放置天平左盘的正中间。

电子天平空载灵敏度:轻轻地拧开旋钮以学会放下天平横梁,记录下来天平零点后,合上旋钮托起天平横梁。用医用镊子取放10mg圈码,放置天平左盘的正中间。再次拧开旋钮,待表针平稳后,载入平衡点读值,合上旋钮,由平衡点和零点之差计算空白光盘灵敏度及感量。

FA系列电子天平

外观巡查:

1、取出天平罩,叠起来放置适度部位,巡查标准砝码盒中标准砝码是不是齐备,夹标准砝码的医用镊子是不是在盒里,圈码是不是完好无损并恰当挂在圈码钩上,读值盘的读值是不是在零位。

4、天平盘里若有尘土或其他掉入物块,应当用软刷轻扫整洁。电子天平称重一定品质化学物质的仪器设备。称重前要检查天平是不是一切正常,是不是处在水准部位,螺栓、圈码是不是掉下来,门边框內外是不是清理。

2、检查天平是不是处在休止情况,天平梁和螺栓的部位是不是一切正常。电子天平用以称重物块品质。电子天平一般选用应变式控制器、电容式传感器、电磁感应均衡式控制器。应变式控制器,构造简易、工程造价低,但精度比较有限。

3、巡查天平是不是处在水准部位,若不水准,可调整天平前侧正下方撑脚基座上的2个水准调整螺钉,使小水泡水准器中的小水泡坐落于中间。

灵敏度的测量天平的灵敏度:为每提升1mg标准砝码时造成的天平零点与停点中间所偏位的小格子数,天平越灵巧偏位的格数越大。灵敏度常见感量表达,感量就是指表针偏位一格时需要的品质。

零点调整:天平的零点就是指天平空载时的平衡点,每一次称重以前需要先测量天平的零点。电子天平用以称重物块品质。电子天平一般选用应变式控制器、电容式传感器、电磁感应均衡式控制器。应变式控制器,构造简易、工程造价低,但精度比较有限。天平的外观巡查结束后,接入开关电源,顺时针方向旋转升降机旋钮究竟,这时能够看见缩微尺标的投射在光屏上挪动,当尺标含意:时钟中用于标示相匹配時间的构件平稳后,若光屏上标尺线与尺标的0.00线不重叠,可转动升降机旋钮正下方的调零支撑杆挪动光屏使其重叠,零点即调准。若光屏挪动到深处是不可以与尺标0.00线重叠,应请老师根据转动天平主梁的均衡螺钉来调节。

(Edit:rrkj2017)
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