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技術(shù)文章您現(xiàn)在的位置:首頁(yè) > 技術(shù)文章 > 食品添加劑水分活度儀對(duì)于企業(yè)的指導(dǎo)意義
食品添加劑水分活度儀對(duì)于企業(yè)的指導(dǎo)意義
更新時(shí)間:2025-12-10   點(diǎn)擊次數(shù):39次

 水分活度儀不直接影響食品添加劑的化學(xué)性質(zhì)或功效,而是通過(guò)測(cè)量食品水分活度,為添加劑的選擇、使用量?jī)?yōu)化和效果保障提供關(guān)鍵數(shù)據(jù)支持。

    核心作用邏輯

    1. 水分活度是食品中 “自由水" 的指標(biāo),直接影響微生物生長(zhǎng)、化學(xué)反應(yīng)速率。

    2. 食品添加劑(如防腐劑、抗氧化劑)的作用效果,與水分活度密切相關(guān)。

    3. 水分活度儀的核心功能是精準(zhǔn)測(cè)量該指標(biāo),為添加劑的應(yīng)用提供科學(xué)依據(jù),而非直接作用于添加劑本身。

    具體應(yīng)用場(chǎng)景

    • 優(yōu)化防腐劑用量:高水分活度食品需更多防腐劑抑制微生物,儀器測(cè)量結(jié)果可避免防腐劑過(guò)量或不足。

    • 保障抗氧化劑效果:高水分活度會(huì)加速油脂氧化,儀器數(shù)據(jù)可指導(dǎo)抗氧化劑的合理添加,延長(zhǎng)食品保質(zhì)期。

       

水份活度檢測(cè)的意義

任何產(chǎn)品中“游離"或可用水會(huì)影響產(chǎn)品的質(zhì)量和保質(zhì)期。這在受到高度管制的制藥、食品和化妝品行業(yè)尤其重要。如果產(chǎn)品中水分過(guò)多,就會(huì)有微生物生長(zhǎng)和水遷移的風(fēng)險(xiǎn)。這可能導(dǎo)致結(jié)塊、一致性或味道改變、營(yíng)養(yǎng)減少或產(chǎn)品價(jià)值受影響,以及儲(chǔ)存和保質(zhì)期縮短。

測(cè)量水活性使得生產(chǎn)和保存過(guò)程監(jiān)測(cè)、控制和優(yōu)化成為可能,以確保對(duì)水分敏感的產(chǎn)品的物理、化學(xué)和微生物穩(wěn)定性。

冠亞牌食品添加劑水分活度儀產(chǎn)品介紹:

   深圳冠亞采用技術(shù)研發(fā)的水分活度儀,采用多種分析測(cè)試模式,采用7寸高分辨率的液晶大屏幕,全程觸控式操作模式,分析過(guò)程中,可實(shí)時(shí)展現(xiàn)樣品溫度、活度值曲線(xiàn)以及活度值、溫度等參數(shù)的數(shù)據(jù)變化,而且整個(gè)測(cè)試過(guò)程中全自動(dòng)完成,分析完畢后,自動(dòng)語(yǔ)音報(bào)警,儀器屏幕自動(dòng)鎖定最終的數(shù)據(jù),并同時(shí)存儲(chǔ)測(cè)試數(shù)據(jù)。無(wú)需人員看護(hù)、維護(hù)實(shí)驗(yàn)過(guò)程。專(zhuān)用的微型打印機(jī)在實(shí)驗(yàn)結(jié)束后,實(shí)時(shí)打印出檢測(cè)的有效數(shù)據(jù),以便長(zhǎng)久保存。也可在歷史記錄里面查看歷史測(cè)試記錄并打印。

   設(shè)備專(zhuān)業(yè)的設(shè)計(jì),具有性能穩(wěn)定,檢測(cè)精度高,測(cè)量時(shí)間短,操作簡(jiǎn)便的特點(diǎn)。通過(guò)觸摸彩屏顯示,可設(shè)定屏幕背光亮度,實(shí)現(xiàn)了友好的人機(jī)交互界面。可開(kāi)啟多個(gè)通道同時(shí)測(cè)量,測(cè)量或校正時(shí)間10分鐘左右,可根據(jù)被測(cè)物不同進(jìn)行時(shí)間設(shè)定。校正周期長(zhǎng),無(wú)需頻繁校正。同時(shí)帶有打印輸出功能、曲線(xiàn)繪制功能以及上位機(jī)數(shù)據(jù)采集系統(tǒng)。能夠更方便的進(jìn)行數(shù)據(jù)的記錄和采集,可供后期數(shù)據(jù)的比較與分析。

廠家:

深圳冠亞水分儀科技有限公司/深圳市冠亞技術(shù)科技有限公司

冠亞牌食品添加劑水分活度儀技術(shù)指標(biāo)

1活度測(cè)試范圍0.000-1aw

2分辨率0.001AW

4測(cè)試通道1-4(可選,常規(guī)單通道),價(jià)格不同請(qǐng)咨詢(xún)銷(xiāo)售;

5溫度分辨率0.1℃

6試樣品名稱(chēng)可編輯、輸入樣品名稱(chēng)

7測(cè)試模式多種

8屏幕亮度可調(diào)整屏幕亮度

9時(shí)間可調(diào)整

10、安全功能操作員密碼/管理員密碼設(shè)置功能

11、雙重校準(zhǔn)功能飽和鹽溶液多點(diǎn)校準(zhǔn),根據(jù)室溫校準(zhǔn)設(shè)備溫度

12、數(shù)據(jù)存儲(chǔ)自動(dòng)存儲(chǔ)

13、歷史記錄可查看歷史記錄

14、語(yǔ)音播報(bào)自帶

15、打印功能微型打印機(jī)可隨時(shí)打印數(shù)據(jù)

17、測(cè)試界面顯示樣品名稱(chēng)、溫度曲線(xiàn)、活度曲線(xiàn)、溫度值、活度值、測(cè)試模式

18、恢復(fù)出廠設(shè)置具備

19、工作環(huán)境溫度050℃ 濕度095%RH

20、供電電壓交流220V

21、外形尺寸280mm×226mm×120mm

食品添加劑水分活度儀對(duì)于企業(yè)的指導(dǎo)意義

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深圳市冠亞技術(shù)科技有限公司

深圳市冠亞技術(shù)科技有限公司

地址:深圳市南山區(qū)科苑西工業(yè)園25棟1段三層

版權(quán)所有:深圳市冠亞技術(shù)科技有限公司  備案號(hào):粵ICP備13045729號(hào)  總訪問(wèn)量:807187  站點(diǎn)地圖  技術(shù)支持:化工儀器網(wǎng)  管理登陸

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