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(chǎng)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(zhuǎn)換器于一身。兩種氧化鋯氧分析儀都無(wú)需采樣設(shè)備，并可直接將探頭安裝在煙道壁或爐體中，以測(cè)量煙氣中的氧氣濃度。轉(zhuǎn)換器顯示鋯池溫度和鋯池電動(dòng)勢(shì)，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(shè)備可現(xiàn)場(chǎng)更換，降低了維護(hù)成本。
探頭采用使用壽命長(zhǎng)、可靠性高的氧化鋯傳感器。
分體型轉(zhuǎn)換器ZR
一體型ZR202S集探頭和轉(zhuǎn)換器于一身，以減少配線、管道和安裝成本。ZR202S單元采用光學(xué)開(kāi)關(guān)，易于現(xiàn)場(chǎng)操作。
使用數(shù)字通信(HART)進(jìn)行遠(yuǎn)程維護(hù)，降低維護(hù)成本。
說(shuō)明: HART是HART通信基金會(huì)的注冊(cè)商標(biāo)。
規(guī)格ZR202S
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測(cè)量對(duì)象 |
燃燒廢氣和混合氣體中的氧氣濃度 |
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測(cè)量系統(tǒng) |
氧化鋯系統(tǒng) |
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顯示 |
6位LCD |
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開(kāi)關(guān) |
三個(gè)光學(xué)開(kāi)關(guān) |
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防爆認(rèn)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(hào) |
4～20mA DC，一點(diǎn)(最大負(fù)載電阻550Ω) |
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測(cè)量量程 |
0~5vol%或0~100vol%(O2單位為1vol%)量程下任意設(shè)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(chǎng)設(shè)備數(shù)(多點(diǎn)模式) |
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樣氣壓力 |
-5～+5kPa |
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樣氣溫度 |
0～ |
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探頭長(zhǎng)度 |
0.4，0.7，1.0，1.5， |
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接點(diǎn)輸出 |
兩點(diǎn)(一點(diǎn)故障安全，常開(kāi)) |
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接點(diǎn)輸入 |
兩點(diǎn) |
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標(biāo)定 |
方法: 零點(diǎn)氣/量程氣標(biāo)定 |
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結(jié)構(gòu) |
等同于NEMA4X/IP66 |
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環(huán)境溫度 |
-20～+ |
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電源 |
85～264V AC，45～66Hz |
一體式防爆型氧化鋯氧分析儀
ZR202S-A-040-S-A-N-E ZR202S-A-040-S-A-A-E ZR202S-A-040-S-A-B-E
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