● 采用先進的全息閃耀光柵單色器，具有波長精度高，單色性好，雜散光低等優(yōu)點。● 一鍵實現(xiàn)自動調(diào)零和調(diào)滿度功能。● 嚴密的工藝及元件選擇，保證儀器測量系統(tǒng)的低漂移和低噪聲，使儀器具有超群的測量讀數(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算。● 獨特的自動消除比色皿誤差功能。● 配有高速熱敏打印機● 配合軟件UVWin7使用，拓展儀器的使用功能。● UVWin7軟件包（另購）。UV754N紫外可見分光光度計技術參數(shù)：● 波長范圍；200nm～1000nm● 波長最大允許誤差：±2nm● 波長重復性：≤1nm● 透射比最大允許誤差：±0.5%（T）（以NBS930D測定）● 透射比重復性：≤0.2%（T）● 光譜帶寬：4nm● 雜散光: 0.3%（T）(在220nm處，以NaI測定，在360nm處，以NaNO2測定)● 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
產(chǎn)品特點：
l 根據(jù)設置波長自動保存最新波長；
l 與普通同類產(chǎn)品相比增加了測量的穩(wěn)定性；
l 可測量光程為100毫米；
l 全面的控制紫外燈和鎢燈光功能，進口的氘燈和鎢燈，壽命2000小時；
l 根據(jù)標準模式或輸入標準建立定量分析方式；
l 能夠保存50組數(shù)據(jù)記錄以及多達10條校準曲線；
l 可選擇安裝與電腦連接的軟件裝置；
l 依照標準實驗室檢測標準測定的結果顯示，儲存和打印檢測結果；
l 建立不同方式曲線，曲線自動計算濃度樣本；
l 可以同時為多種波長提供定量分析（多達三波長）；
l 根據(jù)測量需要動力分析；
l 本儀器及配件包括儀器主機、電源線、用戶手冊、合格書。
技術參數(shù)：
| 型號 | 754N紫外可見分光光度計 |
| 單色器系統(tǒng) | Czerny—Turner消相差單光束光柵1200L/mm |
| 波長范圍 | 190—1100nm |
| 波長設置方式 | 自動 |
| 波長誤差 | ±0.5nm |
| 波長重復性 | 0.3nm |
| 測量范圍 | 0-125.0%T，-0.3 -3.0A，0-9999C |
| 測光精度 | ≦0.3%T |
| 測光重復性 | ≦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 |
| LCD | 128x64 |
754N紫外可見分光光度計
754N儀器特點：*根據(jù)設置波長自動保存最新波長*與普通同類產(chǎn)品相比增加了測量的穩(wěn)定性*可測量光程為100毫米*全面的控制紫外燈和鎢燈光功能，進口的氘燈和鎢燈，壽命2000小時。*根據(jù)標準模式或輸入標準建立定量分析方式*能夠保存50組數(shù)據(jù)記錄以及多達10條校準曲線*可選擇安裝與電腦連接的軟件裝置 依照標準實驗室檢測標準測定的結果顯示,存儲和打印檢測結果 建立不同方式曲線,曲線自動計算濃度樣本 可以同時為多種波長提供定量分析(多達三波長)*根據(jù)測量需要動力分析*本儀器及配件包括儀器主機 電源線 用戶手冊 合格書，
| 型號 | 754N紫外可見分光光度計 |
| 單色器系統(tǒng) | Czerny-Turner消相差單光束光柵 1200 L/mm |
| 波長范圍 | 190-1100nm |
| 波長設置方式 | 自動 |
| 波長誤差 | ±0.5nm |
| 波長重復性 | 0.3nm |
| 測量范圍 | 0-125．0%T, -0.3-3.0A, 0-9999C |
| 測光精度 | ≤0.3%T |
| 測光重復性 | ≤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 |
| 選配 | 掃描軟件、打印機 |
| 重量 | 12kg |
| LCD | 128X64 |
標準配件
| 主機 | 1臺 |
| 比色皿 | 玻璃 4個 10mm,, 石英2個 10mm, |
| 電源線 | 1條 |
| 保險絲 | 1個 |
光度計采用微處理機控制技術，在可見光譜區(qū)域對物質(zhì)做定性、定量分析，是常規(guī)實驗室必備的多用途分析儀器，廣泛應用于醫(yī)療衛(wèi)生、臨床檢驗、生物化學、石油化工、環(huán)境保護、質(zhì)量控制等大專院校、教學實驗室部門。
*采用1200條/mm高性能紫外專用光柵、進口鎢燈、大規(guī)模集成數(shù)字電路、新型*的單色器結構使儀器更加穩(wěn)定。
*自動調(diào)0%，調(diào)100%，T、A的無誤差轉換使用簡便。
*超大的樣品室，可選購放置100mm比色皿，特別適合電廠、糖廠進行微量分析。
* 提供RS232接口，可連接計算機或者直接連接打印機。
*根據(jù)設置波長自動保存波長*與普通同類產(chǎn)品相比增加了測量的穩(wěn)定性 *可測量光程為100毫米**的控制紫外燈和鎢燈光功能，進口的氘燈和鎢燈，壽命2000小時。*根據(jù)標準模式或*根據(jù)標準模式或輸入標準建立定量分析方式*能夠保存50組數(shù)據(jù)記錄以及多達10條校準曲線*可選擇安裝與電腦連接的軟件裝置*依照標準實驗室檢測標準測定的結果顯示,存儲和打印檢測結果*建立不同方式曲線,曲線自動計算濃度樣本*可以同時為多種波長提供定量分析（多達三波長）*可根據(jù)測量需要，進行動力分析*本儀器及配件包括儀器主機 電源線 用戶手冊 掃描軟件 合格書
光度計技術參數(shù)：
型號 波長范 帶寬 測光精度 備注
721可見分光光度計 350-1000nm 6 nm 1.0%t 配RS232接口
721-100可見分光光度計 350-1000nm 6 nm 1.0%t 配100mm比色皿
722可見分光光度計 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 325-1000nm 4 nm 0.5%t 配100mm比色皿
7230G可見分光光度計 325-1100nm 4nm 0.5%t 配打印機，PC軟件
723（N）可見分光光度計 325-1100nm 4 nm 0.5%t 配50mm比色架
723NPC可見分光光度計 325-1100nm 4nm 0.5%t 配掃描軟件
723S可見分光光度計 320-1100nm 2 nm 0.5%t 配50mm比色架
723SPC可見分光光度計 320-1100nm 2nm 0.5%t 配掃描軟件
752/N紫外可見分光光度計 195-1020nm 5 nm 0.5%t RS232接口，選購軟件
754紫外可見分光光度計 195-1020nm 4 nm 0.5%t RS232接口 含軟件
755紫外可見分光光度計 195-1020nm 2nm 0.5%t RS232接口，配打印機，選購軟件
754N紫外可見分光光度計 190-1100nm 4 nm 0.5%t 選購掃描軟件，自動型
756紫外可見分光光度計 190-1100nm 2 nm 0.5%t 選購掃描軟件，自動型
759紫外可見分光光度計 190-1100nm 1.8 nm 0.5%t 含掃描軟件，自動型
759S紫外可見分光光度計 190-1100nm 1nm 0.5%t 含掃描軟件，自動型
2800雙光束紫外可見分光光度計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
鄭州宏朗儀器設備有限公司專業(yè)供應生產(chǎn)銷售光度計，歡迎您來電咨詢光度計詳細信息！
聯(lián)系人：邱春成
固定電話：
傳 真：0371-866 02973
手機號碼：186 9585 4809 130 8371 0597 186 31174220
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現(xiàn)代化 智能型光度計,有著開機自檢、自校波長、光源自動切換與定位、調(diào)零調(diào)100及波長改變都是全自動，濃度測試，回歸方程全都可以實現(xiàn)。 “ 上海析譜” 研發(fā)生產(chǎn)的754型紫外可見分光光度計采用了高精度正弦機構作為單色傳動裝置，程序控制，波長精度和全波長的線性度明顯優(yōu)于使用齒輪齒條作為傳動機構和用刻度盤作為波長讀數(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. 設計獨特的光學系統(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；3. 采用單機操作，線性回歸方程測量等；4. 應用最新的微機處理技術使操作更為方便5.波長，調(diào)零全自動，波長最小間隔0.1nm
儀器型號：754/754N 波長范圍：190-1100nm 光譜帶寬：3.8nm 波長準確度：±1nm 波長重復性：0. 2nm 光度準確度：±0.3%T 光度重復性：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 檢測器： 進口硅光二極管 光源：l 進口品牌鎢燈 鍵盤： 觸摸式按鍵 數(shù)據(jù)輸出： RS-232標準接口 /USB接口 打印輸出： 并口 電源：l 儀器尺寸： 470*380*200mmlAC85-242V 機重量： 14kg
【產(chǎn)品名稱】國產(chǎn)UV-754N紫外可見分光光度計【產(chǎn)品型號】UV-754N型【關鍵詞】紫外可見分光光度計，紫外分光光度計，單光束紫外可見分光光度計【國產(chǎn)UV-754N紫外可見分光光度計功能特點】
※ 采用128*64位點陣式液晶顯示器，顯示清晰，讀數(shù)準確、穩(wěn)定可靠
※ 可連續(xù)測試和存儲200組數(shù)據(jù)，每屏可顯示5組
※ C模式（標準曲線法）下，能直接建立多點標準曲線，并可用所建標準曲線進行未知樣濃度測試
※ 可存儲200條標準曲線，根據(jù)編號可隨意調(diào)用
※ F模式（系數(shù)法）下，可輸入曲線方程的系數(shù)后直接進行試樣測量
※ 測量和存儲的數(shù)據(jù)具有斷電保持功能
※ 波長自動校準、自動設定、偏差自我修復
※ 插座式氘燈、鎢燈設計，換燈免光學調(diào)試
※ 配有標準的USB數(shù)據(jù)輸出接口和并行打印輸出接口，方便聯(lián)機操作和打印數(shù)據(jù)
【國產(chǎn)UV-754N紫外可見分光光度計參數(shù)】
| 型號 | UV-754N |
| 波長范圍 | 200-1000nm |
| 光譜帶寬 | 4nm |
| 波長準確度 | ±2nm |
| 波長重復性 | ≤0.5nm |
| 波長設置方式 | 自動 |
| 波長分辨率 | 0.1nm |
| 光度準確度 | ±0.5%T |
| 光度重復性 | ≤0.3%T |
| 雜散光 | ≤0.2%T |
| 穩(wěn)定性 | ±0.002A/h（500nm處） |
| 光度范圍 | 0-200%T、-0.3-3A、0-9999C |
| 數(shù)據(jù)輸出 | USB接口 |
| 打印輸出 | 并行口 |
| 顯示系統(tǒng) | 128*64位大屏幕LCD |
| 光源 | 進口長壽命鎢燈、氘燈 |
| 檢測器 | 進口硅光二極管 |
| 外形尺寸 | 420*280*180mm |
| 電源 | AC 85V~250V |
【問題解析】
1） 如果不能初始化，關機重啟；如不成功，請向管理人員反映。
2） 如果吸收值異常，依次檢查：波長設置是否正確（重新調(diào)整波長，并重新調(diào)零）、測量時是否調(diào)零（如被誤操作，重新調(diào)零）、比色皿是否用錯（測定紫外波段時，要用石英比色皿）、樣品準備是否有誤（如有誤，重新準備樣品）。
【注意事項】
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。測定時應保持比色皿清潔，池壁上液滴應用擦鏡紙擦干，切勿用手捏透光面。測定紫外波長時，需選用石英比色皿。
測定時，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將樣品槽弄臟，要盡可能及時清理干凈。
實驗結束后將比色皿中的溶液倒盡，然后用蒸餾水或有機溶劑沖洗比色皿至干凈，倒立晾干。關電源將干燥劑放入樣品室內(nèi)，蓋上防塵罩，做好使用登記，得到管理老師認可方可離開。
上海旦鼎國際貿(mào)易有限公司作為上海最早從事MRO工業(yè)品和實驗室設備的企業(yè)，其實力雄厚、管理科學、質(zhì)量保證，售后完備、信譽至上。 擁有國內(nèi)外眾多知名工業(yè)領域產(chǎn)品的中國區(qū)代理權限和一支優(yōu)秀國際采購團隊，多年來以專業(yè)的能力態(tài)度為國內(nèi)外客戶提供最具性價比的工業(yè)品及實驗室儀器設備，贏得了數(shù)以萬計的合作商的肯定和信任。 主要代理有農(nóng)藥殘留檢測儀，移液器，斯科茨曼制冰機，食品安全檢測儀，生物安全柜，酶標儀，伊爾姆真空泵，超聲波清洗機，高壓清洗機，光度計，培養(yǎng)箱等產(chǎn)品，歡迎致電洽談。！ 更多產(chǎn)品信息請點擊：http://www.shddgj.com 友情鏈接：http://shbajiu.foodmate.net/或http://www.shbajiu.com或http://www.89yq.com/ http://www.shdanding.com http://www.89-china.com
754N紫外可見分光光度計754N儀器特點：*根據(jù)設置波長自動保存波長*與普通同類產(chǎn)品相比增加了測量的穩(wěn)定性*可測量光程為100毫米*的控制紫外燈和鎢燈光功能，進口的氘燈和鎢燈，壽命2000小時。*根據(jù)標準模式或輸入標準建立定量分析方式*能夠保存50組數(shù)據(jù)記錄以及多達10條校準曲線*可選擇安裝與電腦連接的軟件裝置 依照標準實驗室檢測標準測定的結果顯示,存儲和打印檢測結果 建立不同方式曲線,曲線自動計算濃度樣本 可以同時為多種波長提供定量分析（多達三波長）*根據(jù)測量需要動力分析*本儀器及配件包括儀器主機 電源線 用戶手冊 合格書，單色器系統(tǒng) Czerny-Turner消相差單光束光柵1200 L/mm波長范圍 190-1100nm波長設置方式 自動波長誤差 ±0.5nm波長重復性 0.3nm測量范圍 0-125．0%T, -0.3-3.0A, 0-9999C測光精度 ≤0.3%T測光重復性 ≤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/小時選配 掃描軟件、打印機重量 12kgLCD 128X64掃描軟件主要功能有定量分析.時間掃描.波長分析.多波長分析.，輔助功能有光譜運算（加減乘除）.光譜導數(shù).光譜疊加等等。1.1 主要功能定量分析?2種方法可選建立標準曲線：系數(shù)法和標準樣品標定法。?最多可以用20個標準樣品來自動標定標準曲線或者直接輸入曲線方程系數(shù)來建立標準曲線。?標準曲線可用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）。時間掃描?采樣時間間隔可選（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（時間-透過率或時間-吸光度）波長掃描?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-透過率，波長-吸光度和波長-能量）?波長掃描系統(tǒng)基線可存儲.調(diào)用多波長分析?多達15個波長可設定1.2 光譜處理光譜數(shù)據(jù)顯示?可移動光標至屏幕中光譜位置，相應的數(shù)據(jù)將顯示峰值谷值自動查找?掃描結束后，可自動查找峰值和谷值，并且將數(shù)據(jù)結果顯示在列表中，結果也相應在圖譜中顯示縮放圖譜查看?圖譜的坐標X和Y可通過[設定]中來修改。導數(shù)光譜?可對給定圖譜計算并顯示一階到四階導數(shù)圖譜。在吸光度模式下，導數(shù)光譜是一種極為的方法。光譜運算?可對兩個給定的圖譜進行加.減.乘.除運算，結果現(xiàn)在為圖譜。暗電流檢測?可重新測定儀器的暗電流
產(chǎn)品名稱：紫外可見分光光度計
產(chǎn)品型號：754N
754N紫外可見分光光度計產(chǎn)品簡介：
采用先進的全息閃耀光柵單色器，具有波長精度高，單色性好，雜散光低等優(yōu)點。
一鍵實現(xiàn)自動調(diào)零和調(diào)滿度功能。
嚴密的工藝及元件選擇，保證儀器測量系統(tǒng)的低漂移和低噪聲，使儀器具有超群的測量讀數(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算。
獨特的自動消除比色皿誤差功能。
配有高速熱敏打印機
配合軟件UVWin7使用，拓展儀器的使用功能。
UVWin7軟件包（另購）。
紫外可見分光光度計754N主要技術指標；
波長范圍；200nm～1000nm
波長最大允許誤差：±2nm
波長重復性：≤1nm
透射比最大允許誤差：±0.5%（T）（以NBS930D測定）
透射比重復性：≤0.2%（T）
光譜帶寬：4nm
雜散光: 0.3%（T）（在220nm處，以NaI測定，在360nm處，以NaNO2測定）
穩(wěn)定性：暗電流漂移：≤0.2%（T）/3min 亮電流漂移：≤0.5（T）/3min
| 型號/名稱 | 主要技術參數(shù) / 特點 |
| | |
| | 波長范圍：200-1000nm，波長精度：±2nm，光譜帶寬：4nm，LCD顯示,自動調(diào)“0%T”“100%T”、濃度線性回歸、自動消除比色皿誤差功能；附高速熱敏打印機 |
| | 波長范圍：200-1000nm，波長準確度：±1nm， 光譜帶寬：2nm，自動調(diào)“0%T”“100%T”、濃度線性回歸、永久記憶儲存功能；附高速熱敏打印機 |
| | |
| | 先進的光、機、電設計；5.6英寸LCD顯示；比例雙光束光路結構；具有全波段掃描、分波段掃描、動力學時間掃描、以及GOTOλ、線性回歸、濃度直讀、峰谷檢測等各種高級功能；波長范圍：190nm～1100nm；波長最大允許誤差：±0.5nm；波長重復性：≤0.2nm；光譜帶寬：2nm；自動調(diào)整“0”調(diào)整“100”，八樣品池聯(lián)動；采用高能量的長壽命法蘭盤定位氘燈；可連接UVwin8軟件 |
| | 先進的光、機、電設計；7英寸彩色觸摸液晶顯示器；比例雙光束光路結構；動力學時間掃描、以及GOTOλ、線性回歸、濃度直讀、峰谷檢測等各種高級功能；波長范圍：190nm～1100nm；波長最大允許誤差：±0.5nm；波長重復性：≤0.2nm；光譜帶寬：2nm；自動調(diào)整“0”調(diào)整“100”，八樣品池聯(lián)動；不帶光譜掃描；采用高能量的長壽命法蘭盤定位氘燈；可連接UVwin8軟件 |
| | 先進的光、機、電設計；7英寸彩色觸摸液晶顯示器；比例雙光束光路結構；具有全波段掃描、分波段掃描、動力學時間掃描、以及GOTOλ、線性回歸、濃度直讀、峰谷檢測等各種高級功能；波長范圍：190nm～1100nm；波長最大允許誤差：±0.5nm；波長重復性：≤0.2nm；光譜帶寬：2nm；自動調(diào)整“0”調(diào)整“100”，八樣品池聯(lián)動；采用高能量的長壽命法蘭盤定位氘燈；可連接UVwin8軟件 |
| | L5/L5S L6/L6S系列產(chǎn)品配置軟件可聯(lián)機使用 |
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UV754N紫外可見分光光度計
主要技術指標；● 波長范圍；200nm～1000nm● 波長最大允許誤差：±2nm● 波長重復性：≤1nm● 透射比最大允許誤差：±0.5%（T）（以NBS930D測定）● 透射比重復性：≤0.2%（T）● 光譜帶寬：4nm● 雜散光: 0.3%（T）（在220nm處，以NaI測定，在360nm處，以NaNO2測定）● 穩(wěn)定性：暗電流漂移：≤0.2%（T）/3min 亮電流漂移：≤0.5（T）/3min