RF-O2熒光光纖氧氣測量儀由德國Pyroscience公司聯(lián)合歐洲多國科學(xué)家研制生產(chǎn),基于REDFLASH(RF)光學(xué)傳感器技術(shù),操作簡單,無需維護(hù)。氧氣測量儀由主機(jī)、傳感器及軟件組成,應(yīng)用于環(huán)境科學(xué)、生態(tài)科學(xué)、植物科學(xué)、動物科學(xué)、海洋科學(xué)、生物醫(yī)學(xué)、生物技術(shù)、食品科學(xué)等各個領(lǐng)域。在環(huán)境領(lǐng)域,RF-O2熒光光纖氧氣測量儀廣泛用于大氣、水體、土壤、沉積物等樣品耗氧量的測量和氧氣含量的監(jiān)測。
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應(yīng)用方向
- 大氣、土壤、水、沉積物O2測量監(jiān)測
- 濕地、海洋沉積、河湖沉積剖面O2測量監(jiān)測
- 污水處理、沼氣、垃圾填埋場、有機(jī)物降解等O2測量監(jiān)測
功能特點(diǎn)
- REDFLASH技術(shù)無氧耗、高速響應(yīng)、低電耗、高精度、低交叉敏感性、低干擾
- 氧氣傳感器類型靈活多樣,包括探頭、探針、插入式、裸光纖、耐溶劑等接觸式傳感器以及薄膜貼、流通管、呼吸瓶等非接觸傳感器
- 氧氣測量范圍全量程和痕量可選
- 測量儀小巧緊湊、電腦USB供電,無需額外電源
- 氧氣測量1、2、4通道可選
- 具備實時溫度補(bǔ)償
- 高時空解析度
- 氣體、液體樣品均可使用
- 具模擬輸出和廣播模式
- 配套分析軟件具備耗氧率計算和漂移補(bǔ)償?shù)墓δ?/span>
- 即插即用
- 輕松校準(zhǔn)
技術(shù)指標(biāo)
- 新一代FireSting-O2(FS-O2)測量儀
- 有1通道、2通道、4通道可供選配,分別可接1個、2個或4個氧氣或溫度傳感器;另具備一個Pt100熱電阻溫度傳感器通道
- 最大采樣頻率:每秒10-20次
- 內(nèi)置氣壓傳感器,300-1100mbar,06mbar分辨率,精確度±3mbar
- 內(nèi)置濕度傳感器,0-100%RH,分辨率04%,精確度±0.2%
- 具模擬輸出和自動模式,0-5VDC
- 0接口,通過USB口PC供電,20mA@5VDC
- 端口:串行接口UART
- 大?。?8x120x24mm,重290g
- 操作環(huán)境:0-50℃,非冷凝
- 軟件:Pyro Workbench,Windows7/8/10,最低配置700MB硬盤、1GB內(nèi)存、1360×768屏幕分辨率
![](/mcms/upload/1/cms/content/editor/1724398285947.png)
- 全量程氧氣測量參數(shù)
![](/mcms/upload/1/cms/content/editor/1724398313691.png)
最佳測量范圍 0-50%O2(氣相),0-22mg/L(溶解氧)
最大測量范圍0-100%O2(氣相),0-44mg/L(溶解氧)
檢測極限:0.02%O2(氣相),0.01mg/L(溶解氧)
適用溫度范圍:0-50℃
最佳測量范圍 0-10%O2(氣相),0-4.5mg/L(溶解氧)
最大測量范圍 0-21%O2(氣相),0-9mg/L(溶解氧)
檢測極限:0.005%O2(氣相),0.002mg/L(溶解氧)
適用溫度范圍:0-50℃
- 氧氣校準(zhǔn)膠囊:用于氧氣傳感器的零點(diǎn)校準(zhǔn)。每個膠囊可制備50mL的校準(zhǔn)溶液,10個裝。
- 配套數(shù)據(jù)采集和展示軟件Pyro Workbench:支持多達(dá)10個Pyro的測量設(shè)備同時運(yùn)行。軟件提供設(shè)備的設(shè)置和傳感器的校準(zhǔn)。傳感器讀數(shù)能以數(shù)字和圖表的形式展示,并能以相應(yīng)數(shù)據(jù)文件存儲,便于進(jìn)一步的數(shù)據(jù)分析。
![](/mcms/upload/1/cms/content/editor/1724398369106.png)
- 配套分析軟件Pyro Data Inspector:提供耗氧率計算和漂移補(bǔ)償?shù)葦?shù)據(jù)分析的功能。
- 傳感器:類型多樣,包括探頭傳感器、探針傳感器、插入式傳感器、裸光纖傳感器、耐溶劑傳感器、薄膜貼、流通管、呼吸瓶等。
應(yīng)用案例
- 西北農(nóng)林科技大學(xué)旱區(qū)農(nóng)業(yè)水土工程教育部重點(diǎn)實驗室研究發(fā)現(xiàn):未來氣候變暖,而降低氮肥使用率并結(jié)合增氧灌溉,對于保持作物產(chǎn)量及降低土壤凈溫室氣體排放具有重要實踐意義。研究人員使用了FSO2測量儀測量了土壤含氧量。北京易科泰公司為其提供該應(yīng)用場景下的設(shè)備和專業(yè)的技術(shù)支持。
![](/mcms/upload/1/cms/content/editor/1724398940076.png)
- 德國的研究人員使用FSO2四通道測量儀和伸縮探針式傳感器在船上測量湖泊中氧氣的空間分布狀況。
![](/mcms/upload/1/cms/content/editor/1724398904082.png)
- 荷蘭皇家海洋研究所使用FSO2四通道測量儀和薄膜貼式氧氣傳感器在調(diào)查船上實地測量季節(jié)性缺氧湖沉積物的總耗氧量(TOU,Total Oxygen Uptake)的時空變化。曲線圖為3個重復(fù)沉積物樣品和一個對照樣品(綠色,加入底層水)的溶解氧變化曲線。
![](/mcms/upload/1/cms/content/editor/1724398971540.png)
- 德國的研究人員利用FSO2測量儀和裸光纖式氧氣傳感器對土壤氧氣進(jìn)行測量,以評估不同種類蚯蚓在低氧條件下對土壤改良的效率。
![](/mcms/upload/1/cms/content/editor/1724398990867.png)
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