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                                                                                                                        首頁 > 新聞中心 > 分析天平稱量結果不穩定出現亂碼應從以下幾個方面入手
                                                                                                                        分析天平稱量結果不穩定出現亂碼應從以下幾個方面入手
                                                                                                                        發布日期:2022-06-07      瀏覽次數:423
                                                                                                                          分析天平使用前應先進行稱量零點調試,調好后關閉天平,把稱量物放在左盤中央,關閉左門;打開右門,根據估計的稱量物的質量,把相應質量的砝碼放入右盤中央,然后將天平升降樞半打開,觀察標尺移動方向(標尺迅速往哪邊跑,哪邊就重),以判斷所加砝碼是否合適并確定如何調整。當調整到兩邊相關的質量小于1g時,應關好右門,再依次調整100mg組和10mg組環碼,按照“減半加減碼”的順序加減砝碼,可迅速找到物體的質量范圍。調節環碼至10mg以后,*啟動天平,準備讀數。
                                                                                                                         
                                                                                                                          分析天平稱量結果不穩定出現亂碼應從以下幾個方面入手:
                                                                                                                          1、分析天平內的干燥硅膠顆粒應用紗布包好后放入燒杯或容器中,不要直接用燒杯或容器盛放,否則,如盛放硅膠顆粒的燒杯或容器一旦被碰倒,硅膠顆粒從縫隙掉入天平內部,就會影響數據指示的穩定性。
                                                                                                                          2、分析天平開機后,顯示器無顯示。此現象一般是電源故障,應先檢查供電線路及供電電源是否正常;其次檢查電源變壓器、電源開關,看是否接觸不良或損壞。
                                                                                                                          3、分析天平秤盤及校正砝碼要始終保持清潔。對于初次投入使用或者在長時間斷電之后重新使用的分析天平,應至少預熱30分鐘以上,預熱后,不要急于稱重試樣,因有些分析天平的稱重系統有自檢功能,當顯示器顯示零時,自檢過程結束后才可以稱重。
                                                                                                                          4、出現亂碼現象。出現此現象應先對分析天平外觀進行檢查,看觸摸按鍵是否未彈起、接觸不好或變形而影響其他功能鍵;如果外觀正常再檢查內部電源線路、傳感器和信號線,看是否有接觸不良或斷裂現象;再就是檢查控制回路的各插件版和底座,看是否有松動、虛線及底座與連接線開焊等現象。

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