日本橫河YOKOGAWA ZR202S一體式防爆型氧化鋯氧分析儀
有兩種現(xiàn)場直插式防爆氧化鋯氧分析儀可選用。ZR22S/ZR
ZR202S是一體型分析儀，集探頭和轉換器于一身。兩種氧化鋯氧分析儀都無需采樣設備，并可直接將探頭安裝在煙道壁或爐體中，以測量煙氣中的氧氣濃度。轉換器顯示鋯池溫度和鋯池電動勢，以及氧氣濃度。該分析儀最適用于監(jiān)視燃燒，并控制性環(huán)境下各種工業(yè)爐中的低氧燃燒，如煉油廠、石化廠和天然氣廠。
特性：
嵌入式探頭加熱設備可現(xiàn)場更換，降低了維護成本。
探頭采用使用壽命長、可靠性高的氧化鋯傳感器。
分體型轉換器ZR
一體型ZR202S集探頭和轉換器于一身，以減少配線、管道和安裝成本。ZR202S單元采用光學開關，易于現(xiàn)場操作。
使用數(shù)字通信(HART)進行遠程維護，降低維護成本。
說明: HART是HART通信基金會的注冊商標。
規(guī)格ZR202S
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測量對象 |
燃燒廢氣和混合氣體中的氧氣濃度 |
|
測量系統(tǒng) |
氧化鋯系統(tǒng) |
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顯示 |
6位LCD |
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開關 |
三個光學開關 |
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防爆認證 |
ZR202S-A (ATEX): EExd II B + H2，Group II， Category 2GD，T2，T |
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氧氣濃度 |
0.01～100vol% |
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輸出信號 |
4～20mA DC，一點(最大負載電阻550Ω) |
|
測量量程 |
0~5vol%或0~100vol%(O2單位為1vol%)量程下任意設定，或部分量程 |
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數(shù)字通信(HART) |
250～550Ω，取決于回路所連接的現(xiàn)場設備數(shù)(多點模式) |
|
樣氣壓力 |
-5～+5kPa |
|
樣氣溫度 |
0～ |
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探頭長度 |
0.4，0.7，1.0，1.5， |
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接點輸出 |
兩點(一點故障安全，常開) |
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接點輸入 |
兩點 |
|
標定 |
方法: 零點氣/量程氣標定 |
|
結構 |
等同于NEMA4X/IP66 |
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環(huán)境溫度 |
-20～+ |
|
電源 |
85～264V AC，45～66Hz |
一體式防爆型氧化鋯氧分析儀
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