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● 采用先進(jìn)的全息閃耀光柵單色器，具有波長(zhǎng)精度高，單色性好，雜散光低等優(yōu)點(diǎn)。● 一鍵實(shí)現(xiàn)自動(dòng)調(diào)零和調(diào)滿度功能。● 嚴(yán)密的工藝及元件選擇，保證儀器測(cè)量系統(tǒng)的低漂移和低噪聲，使儀器具有超群的測(cè)量讀數(shù)重現(xiàn)性和穩(wěn)定性。● 大屏幕字符型液晶顯示器。● 數(shù)據(jù)打印和時(shí)間打印。● 待定系數(shù)法和系數(shù)輸入法二種濃度線性回歸運(yùn)算。● 獨(dú)特的自動(dòng)消除比色皿誤差功能。● 配有高速熱敏打印機(jī)● 配合軟件UVWin7使用，拓展儀器的使用功能。● UVWin7軟件包（另購(gòu)）。UV754N紫外可見分光光度計(jì)技術(shù)參數(shù)：● 波長(zhǎng)范圍；200nm～1000nm● 波長(zhǎng)最大允許誤差：±2nm● 波長(zhǎng)重復(fù)性：≤1nm● 透射比最大允許誤差：±0.5%（T）（以NBS930D測(cè)定）● 透射比重復(fù)性：≤0.2%（T）● 光譜帶寬：4nm● 雜散光: 0.3%（T）(在220nm處，以NaI測(cè)定，在360nm處，以NaNO2測(cè)定)● 穩(wěn)定性：暗電流漂移：≤0.2%（T）/3min  亮電流漂移：≤0.5(T)/3min

754N紫外可見分光光度計(jì)

產(chǎn)品特點(diǎn)：

l 根據(jù)設(shè)置波長(zhǎng)自動(dòng)保存最新波長(zhǎng)；

l 與普通同類產(chǎn)品相比增加了測(cè)量的穩(wěn)定性；

l 可測(cè)量光程為100毫米；

l 全面的控制紫外燈和鎢燈光功能，進(jìn)口的氘燈和鎢燈，壽命2000小時(shí)；

l 根據(jù)標(biāo)準(zhǔn)模式或輸入標(biāo)準(zhǔn)建立定量分析方式；

l 能夠保存50組數(shù)據(jù)記錄以及多達(dá)10條校準(zhǔn)曲線；

l 可選擇安裝與電腦連接的軟件裝置；

l 依照標(biāo)準(zhǔn)實(shí)驗(yàn)室檢測(cè)標(biāo)準(zhǔn)測(cè)定的結(jié)果顯示，儲(chǔ)存和打印檢測(cè)結(jié)果；

l 建立不同方式曲線，曲線自動(dòng)計(jì)算濃度樣本；

l 可以同時(shí)為多種波長(zhǎng)提供定量分析（多達(dá)三波長(zhǎng)）；

l 根據(jù)測(cè)量需要?jiǎng)恿Ψ治觯?/span>

l 本儀器及配件包括儀器主機(jī)、電源線、用戶手冊(cè)、合格書。

技術(shù)參數(shù)：

754N紫外可見分光光度計(jì) 

754N儀器特點(diǎn)：*根據(jù)設(shè)置波長(zhǎng)自動(dòng)保存最新波長(zhǎng)*與普通同類產(chǎn)品相比增加了測(cè)量的穩(wěn)定性*可測(cè)量光程為100毫米*全面的控制紫外燈和鎢燈光功能，進(jìn)口的氘燈和鎢燈，壽命2000小時(shí)。*根據(jù)標(biāo)準(zhǔn)模式或輸入標(biāo)準(zhǔn)建立定量分析方式*能夠保存50組數(shù)據(jù)記錄以及多達(dá)10條校準(zhǔn)曲線*可選擇安裝與電腦連接的軟件裝置  依照標(biāo)準(zhǔn)實(shí)驗(yàn)室檢測(cè)標(biāo)準(zhǔn)測(cè)定的結(jié)果顯示,存儲(chǔ)和打印檢測(cè)結(jié)果  建立不同方式曲線,曲線自動(dòng)計(jì)算濃度樣本 可以同時(shí)為多種波長(zhǎng)提供定量分析(多達(dá)三波長(zhǎng))*根據(jù)測(cè)量需要?jiǎng)恿Ψ治?/span>*本儀器及配件包括儀器主機(jī) 電源線 用戶手冊(cè) 合格書，          

標(biāo)準(zhǔn)配件

光度計(jì)采用微處理機(jī)控制技術(shù)，在可見光譜區(qū)域?qū)ξ镔|(zhì)做定性、定量分析，是常規(guī)實(shí)驗(yàn)室必備的多用途分析儀器，廣泛應(yīng)用于醫(yī)療衛(wèi)生、臨床檢驗(yàn)、生物化學(xué)、石油化工、環(huán)境保護(hù)、質(zhì)量控制等大專院校、教學(xué)實(shí)驗(yàn)室部門。

*采用1200條/mm高性能紫外專用光柵、進(jìn)口鎢燈、大規(guī)模集成數(shù)字電路、新型*的單色器結(jié)構(gòu)使儀器更加穩(wěn)定。

*自動(dòng)調(diào)0%，調(diào)100%，T、A的無誤差轉(zhuǎn)換使用簡(jiǎn)便。 

 *超大的樣品室，可選購(gòu)放置100mm比色皿，特別適合電廠、糖廠進(jìn)行微量分析。

* 提供RS232接口，可連接計(jì)算機(jī)或者直接連接打印機(jī)。

*根據(jù)設(shè)置波長(zhǎng)自動(dòng)保存波長(zhǎng)*與普通同類產(chǎn)品相比增加了測(cè)量的穩(wěn)定性                    *可測(cè)量光程為100毫米**的控制紫外燈和鎢燈光功能，進(jìn)口的氘燈和鎢燈，壽命2000小時(shí)。*根據(jù)標(biāo)準(zhǔn)模式或*根據(jù)標(biāo)準(zhǔn)模式或輸入標(biāo)準(zhǔn)建立定量分析方式*能夠保存50組數(shù)據(jù)記錄以及多達(dá)10條校準(zhǔn)曲線*可選擇安裝與電腦連接的軟件裝置*依照標(biāo)準(zhǔn)實(shí)驗(yàn)室檢測(cè)標(biāo)準(zhǔn)測(cè)定的結(jié)果顯示,存儲(chǔ)和打印檢測(cè)結(jié)果*建立不同方式曲線,曲線自動(dòng)計(jì)算濃度樣本*可以同時(shí)為多種波長(zhǎng)提供定量分析（多達(dá)三波長(zhǎng)）*可根據(jù)測(cè)量需要，進(jìn)行動(dòng)力分析*本儀器及配件包括儀器主機(jī) 電源線 用戶手冊(cè) 掃描軟件 合格書

 光度計(jì)技術(shù)參數(shù)：

      型號(hào)                 波長(zhǎng)范     帶寬 測(cè)光精度     備注

721可見分光光度計(jì)             350-1000nm   6 nm       1.0%t      配RS232接口

721-100可見分光光度計(jì)         350-1000nm   6 nm       1.0%t      配100mm比色皿

722可見分光光度計(jì)            325-1000nm   5 nm       0.5%t      配RS232接口

722n\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\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    325-1000nm   4nm 0.5%t           RS232接口  

722-100可見分光光度計(jì)         325-1000nm   4 nm       0.5%t      配100mm比色皿

7230G可見分光光度計(jì)               325-1100nm   4nm 0.5%t          配打印機(jī)，PC軟件

723（N）可見分光光度計(jì)       325-1100nm   4 nm       0.5%t      配50mm比色架

723NPC可見分光光度計(jì)         325-1100nm   4nm 0.5%t          配掃描軟件  

723S可見分光光度計(jì)           320-1100nm   2 nm       0.5%t      配50mm比色架

723SPC可見分光光度計(jì)         320-1100nm   2nm 0.5%t           配掃描軟件

752/N紫外可見分光光度計(jì)     195-1020nm   5 nm       0.5%t      RS232接口，選購(gòu)軟件

754紫外可見分光光度計(jì)         195-1020nm   4 nm       0.5%t      RS232接口 含軟件

755紫外可見分光光度計(jì)         195-1020nm   2nm 0.5%t           RS232接口，配打印機(jī)，選購(gòu)軟件

754N紫外可見分光光度計(jì)     190-1100nm   4 nm       0.5%t      選購(gòu)掃描軟件，自動(dòng)型

756紫外可見分光光度計(jì)         190-1100nm   2 nm       0.5%t      選購(gòu)掃描軟件，自動(dòng)型

759紫外可見分光光度計(jì)         190-1100nm   1.8 nm    0.5%t      含掃描軟件，自動(dòng)型

759S紫外可見分光光度計(jì)       190-1100nm   1nm 0.5%t          含掃描軟件，自動(dòng)型

2800雙光束紫外可見分光光度計(jì)190-1100nm 1.8nm     0.2%t      雙光束光路系統(tǒng)，大屏幕

2800A雙光束紫外可見分光光度計(jì)190-1100nm 1nm    0.2%t      雙光束光路系統(tǒng)，大屏幕

2800S雙光束紫外可見分光光度計(jì)190-1100nm 0.5/1/2/4nm 0.2%t 雙光束光路系統(tǒng)，大屏幕

鄭州宏朗儀器設(shè)備有限公司專業(yè)供應(yīng)生產(chǎn)銷售光度計(jì)，歡迎您來電咨詢光度計(jì)詳細(xì)信息！  

聯(lián)系人：邱春成

固定電話：

傳    真：0371-866 02973

手機(jī)號(hào)碼：186 9585 4809   130 8371 0597  186 31174220

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現(xiàn)代化 智能型光度計(jì),有著開機(jī)自檢、自校波長(zhǎng)、光源自動(dòng)切換與定位、調(diào)零調(diào)100及波長(zhǎng)改變都是全自動(dòng)，濃度測(cè)試，回歸方程全都可以實(shí)現(xiàn)。 “ 上海析譜” 研發(fā)生產(chǎn)的754型紫外可見分光光度計(jì)采用了高精度正弦機(jī)構(gòu)作為單色傳動(dòng)裝置，程序控制，波長(zhǎng)精度和全波長(zhǎng)的線性度明顯優(yōu)于使用齒輪齒條作為傳動(dòng)機(jī)構(gòu)和用刻度盤作為波長(zhǎng)讀數(shù)的同類產(chǎn)品！1. 寬大的樣品室，可容納5—100mm各種規(guī)格的比色皿；2. 設(shè)計(jì)獨(dú)特的光學(xué)系統(tǒng)、高性能全息光柵和接收器確保儀器具有優(yōu)良的性能指標(biāo)；3. 采用單機(jī)操作，線性回歸方程測(cè)量等；4. 應(yīng)用最新的微機(jī)處理技術(shù)使操作更為方便5.波長(zhǎng)，調(diào)零全自動(dòng)，波長(zhǎng)最小間隔0.1nm

 儀器型號(hào)：754/754N 波長(zhǎng)范圍：190-1100nm 光譜帶寬：3.8nm 波長(zhǎng)準(zhǔn)確度：±1nm 波長(zhǎng)重復(fù)性：0. 2nm 光度準(zhǔn)確度：±0.3%T 光度重復(fù)性：0.2%T 雜散光：<0.2%T（220/340nm處） 穩(wěn)定性：±0.001A/h(500nm處) 顯示方式：液晶顯示器 最小分辨率0.1nm 吸光度范圍：-0.3-3.0A，0-200%T 檢測(cè)器： 進(jìn)口硅光二極管 光源：l 進(jìn)口品牌鎢燈 鍵盤： 觸摸式按鍵 數(shù)據(jù)輸出： RS-232標(biāo)準(zhǔn)接口 /USB接口 打印輸出： 并口 電源：l  儀器尺寸： 470*380*200mmlAC85-242V 機(jī)重量： 14kg

【產(chǎn)品名稱】國(guó)產(chǎn)UV-754N紫外可見分光光度計(jì)【產(chǎn)品型號(hào)】UV-754N型【關(guān)鍵詞】紫外可見分光光度計(jì)，紫外分光光度計(jì)，單光束紫外可見分光光度計(jì)【國(guó)產(chǎn)UV-754N紫外可見分光光度計(jì)功能特點(diǎn)】

※   采用128*64位點(diǎn)陣式液晶顯示器，顯示清晰，讀數(shù)準(zhǔn)確、穩(wěn)定可靠

※   可連續(xù)測(cè)試和存儲(chǔ)200組數(shù)據(jù)，每屏可顯示5組

※   C模式（標(biāo)準(zhǔn)曲線法）下，能直接建立多點(diǎn)標(biāo)準(zhǔn)曲線，并可用所建標(biāo)準(zhǔn)曲線進(jìn)行未知樣濃度測(cè)試

※   可存儲(chǔ)200條標(biāo)準(zhǔn)曲線，根據(jù)編號(hào)可隨意調(diào)用 

※   F模式（系數(shù)法）下，可輸入曲線方程的系數(shù)后直接進(jìn)行試樣測(cè)量 

※   測(cè)量和存儲(chǔ)的數(shù)據(jù)具有斷電保持功能

※   波長(zhǎng)自動(dòng)校準(zhǔn)、自動(dòng)設(shè)定、偏差自我修復(fù)

※   插座式氘燈、鎢燈設(shè)計(jì)，換燈免光學(xué)調(diào)試

※   配有標(biāo)準(zhǔn)的USB數(shù)據(jù)輸出接口和并行打印輸出接口，方便聯(lián)機(jī)操作和打印數(shù)據(jù)

【國(guó)產(chǎn)UV-754N紫外可見分光光度計(jì)參數(shù)】

【問題解析】

1）        如果不能初始化，關(guān)機(jī)重啟；如不成功，請(qǐng)向管理人員反映。

2）        如果吸收值異常，依次檢查：波長(zhǎng)設(shè)置是否正確（重新調(diào)整波長(zhǎng)，并重新調(diào)零）、測(cè)量時(shí)是否調(diào)零（如被誤操作，重新調(diào)零）、比色皿是否用錯(cuò)（測(cè)定紫外波段時(shí)，要用石英比色皿）、樣品準(zhǔn)備是否有誤（如有誤，重新準(zhǔn)備樣品）。

【注意事項(xiàng)】

比色皿內(nèi)溶液以皿高的2/3～4/5為宜，不可過滿以防液體溢出腐蝕儀器。測(cè)定時(shí)應(yīng)保持比色皿清潔，池壁上液滴應(yīng)用擦鏡紙擦干，切勿用手捏透光面。測(cè)定紫外波長(zhǎng)時(shí)，需選用石英比色皿。

測(cè)定時(shí)，禁止將試劑或液體物質(zhì)放在儀器的表面上，如有溶液溢出或其它原因?qū)悠凡叟K，要盡可能及時(shí)清理干凈。

 實(shí)驗(yàn)結(jié)束后將比色皿中的溶液倒盡，然后用蒸餾水或有機(jī)溶劑沖洗比色皿至干凈，倒立晾干。關(guān)電源將干燥劑放入樣品室內(nèi)，蓋上防塵罩，做好使用登記，得到管理老師認(rèn)可方可離開。

上海旦鼎國(guó)際貿(mào)易有限公司作為上海最早從事MRO工業(yè)品和實(shí)驗(yàn)室設(shè)備的企業(yè)，其實(shí)力雄厚、管理科學(xué)、質(zhì)量保證，售后完備、信譽(yù)至上。 擁有國(guó)內(nèi)外眾多知名工業(yè)領(lǐng)域產(chǎn)品的中國(guó)區(qū)代理權(quán)限和一支優(yōu)秀國(guó)際采購(gòu)團(tuán)隊(duì)，多年來以專業(yè)的能力態(tài)度為國(guó)內(nèi)外客戶提供最具性價(jià)比的工業(yè)品及實(shí)驗(yàn)室儀器設(shè)備，贏得了數(shù)以萬計(jì)的合作商的肯定和信任。

主要代理有農(nóng)藥殘留檢測(cè)儀，移液器，斯科茨曼制冰機(jī)，食品安全檢測(cè)儀，生物安全柜，酶標(biāo)儀，伊爾姆真空泵，超聲波清洗機(jī)，高壓清洗機(jī)，光度計(jì)，培養(yǎng)箱等產(chǎn)品，歡迎致電洽談?。?！

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754N紫外可見分光光度計(jì)754N儀器特點(diǎn)：*根據(jù)設(shè)置波長(zhǎng)自動(dòng)保存波長(zhǎng)*與普通同類產(chǎn)品相比增加了測(cè)量的穩(wěn)定性*可測(cè)量光程為100毫米*的控制紫外燈和鎢燈光功能，進(jìn)口的氘燈和鎢燈，壽命2000小時(shí)。*根據(jù)標(biāo)準(zhǔn)模式或輸入標(biāo)準(zhǔn)建立定量分析方式*能夠保存50組數(shù)據(jù)記錄以及多達(dá)10條校準(zhǔn)曲線*可選擇安裝與電腦連接的軟件裝置  依照標(biāo)準(zhǔn)實(shí)驗(yàn)室檢測(cè)標(biāo)準(zhǔn)測(cè)定的結(jié)果顯示,存儲(chǔ)和打印檢測(cè)結(jié)果  建立不同方式曲線,曲線自動(dòng)計(jì)算濃度樣本 可以同時(shí)為多種波長(zhǎng)提供定量分析（多達(dá)三波長(zhǎng)）*根據(jù)測(cè)量需要?jiǎng)恿Ψ治?本儀器及配件包括儀器主機(jī) 電源線 用戶手冊(cè) 合格書，單色器系統(tǒng) Czerny-Turner消相差單光束光柵1200 L/mm波長(zhǎng)范圍 190-1100nm波長(zhǎng)設(shè)置方式 自動(dòng)波長(zhǎng)誤差 ±0.5nm波長(zhǎng)重復(fù)性 0.3nm測(cè)量范圍 0-125．0%T, -0.3-3.0A, 0-9999C測(cè)光精度 ≤0.3%T測(cè)光重復(fù)性 ≤0.15%T雜散光 ≤0.05%T@340nm&220nm帶寬 4nm數(shù)據(jù)輸出 并口，USB基線平直度 ±0.002A穩(wěn)定性 ±0.001/小時(shí)選配 掃描軟件、打印機(jī)重量 12kgLCD 128X64掃描軟件主要功能有定量分析.時(shí)間掃描.波長(zhǎng)分析.多波長(zhǎng)分析.，輔助功能有光譜運(yùn)算（加減乘除）.光譜導(dǎo)數(shù).光譜疊加等等。1.1 主要功能定量分析?2種方法可選建立標(biāo)準(zhǔn)曲線：系數(shù)法和標(biāo)準(zhǔn)樣品標(biāo)定法。?最多可以用20個(gè)標(biāo)準(zhǔn)樣品來自動(dòng)標(biāo)定標(biāo)準(zhǔn)曲線或者直接輸入曲線方程系數(shù)來建立標(biāo)準(zhǔn)曲線。?標(biāo)準(zhǔn)曲線可用3種方式擬合（一階線性過零擬合.一階線性擬合和二階擬合）。時(shí)間掃描?采樣時(shí)間間隔可選（0.5，1.0，2.0，5.0，10.0，30.0和60.0秒）?掃描曲線顯示方式可切換（時(shí)間-透過率或時(shí)間-吸光度）波長(zhǎng)掃描?掃描間隔可選（0.1，0.2，0.5，1.0，2.0和5.0nm）?掃描曲線顯示方式可切換（波長(zhǎng)-透過率，波長(zhǎng)-吸光度和波長(zhǎng)-能量）?波長(zhǎng)掃描系統(tǒng)基線可存儲(chǔ).調(diào)用多波長(zhǎng)分析?多達(dá)15個(gè)波長(zhǎng)可設(shè)定1.2 光譜處理光譜數(shù)據(jù)顯示?可移動(dòng)光標(biāo)至屏幕中光譜位置，相應(yīng)的數(shù)據(jù)將顯示峰值谷值自動(dòng)查找?掃描結(jié)束后，可自動(dòng)查找峰值和谷值，并且將數(shù)據(jù)結(jié)果顯示在列表中，結(jié)果也相應(yīng)在圖譜中顯示縮放圖譜查看?圖譜的坐標(biāo)X和Y可通過[設(shè)定]中來修改。導(dǎo)數(shù)光譜?可對(duì)給定圖譜計(jì)算并顯示一階到四階導(dǎo)數(shù)圖譜。在吸光度模式下，導(dǎo)數(shù)光譜是一種極為的方法。光譜運(yùn)算?可對(duì)兩個(gè)給定的圖譜進(jìn)行加.減.乘.除運(yùn)算，結(jié)果現(xiàn)在為圖譜。暗電流檢測(cè)?可重新測(cè)定儀器的暗電流 

產(chǎn)品名稱：紫外可見分光光度計(jì)

產(chǎn)品型號(hào)：754N

754N紫外可見分光光度計(jì)產(chǎn)品簡(jiǎn)介：

采用先進(jìn)的全息閃耀光柵單色器，具有波長(zhǎng)精度高，單色性好，雜散光低等優(yōu)點(diǎn)。

一鍵實(shí)現(xiàn)自動(dòng)調(diào)零和調(diào)滿度功能。

嚴(yán)密的工藝及元件選擇，保證儀器測(cè)量系統(tǒng)的低漂移和低噪聲，使儀器具有超群的測(cè)量讀數(shù)重現(xiàn)性和穩(wěn)定性。

大屏幕字符型液晶顯示器。

數(shù)據(jù)打印和時(shí)間打印。

待定系數(shù)法和系數(shù)輸入法二種濃度線性回歸運(yùn)算。

獨(dú)特的自動(dòng)消除比色皿誤差功能。

配有高速熱敏打印機(jī)

配合軟件UVWin7使用，拓展儀器的使用功能。

UVWin7軟件包（另購(gòu)）。

紫外可見分光光度計(jì)754N主要技術(shù)指標(biāo)；

波長(zhǎng)范圍；200nm～1000nm

波長(zhǎng)最大允許誤差：±2nm

波長(zhǎng)重復(fù)性：≤1nm

透射比最大允許誤差：±0.5%（T）（以NBS930D測(cè)定）

透射比重復(fù)性：≤0.2%（T）

光譜帶寬：4nm

雜散光: 0.3%（T）（在220nm處，以NaI測(cè)定，在360nm處，以NaNO2測(cè)定）

穩(wěn)定性：暗電流漂移：≤0.2%（T）/3min  亮電流漂移：≤0.5（T）/3min

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