日本横河YOKOGAWA ZR202S一体式防爆型氧化锆氧分析仪
有两种现场直插式防爆氧化锆氧分析仪可选用。ZR22S/ZR
ZR202S是一体型分析仪，集探头和转换器于一身。两种氧化锆氧分析仪都无需采样设备，并可直接将探头安装在烟道壁或炉体中，以测量烟气中的氧气浓度。转换器显示锆池温度和锆池电动势，以及氧气浓度。该分析仪最适用于监视燃烧，并控制性环境下各种工业炉中的低氧燃烧，如炼油厂、石化厂和天然气厂。
特性：
嵌入式探头加热设备可现场更换，降低了维护成本。
探头采用使用寿命长、可靠性高的氧化锆传感器。
分体型转换器ZR
一体型ZR202S集探头和转换器于一身，以减少配线、管道和安装成本。ZR202S单元采用光学开关，易于现场操作。
使用数字通信(HART)进行远程维护，降低维护成本。
说明: HART是HART通信基金会的注册商标。
规格ZR202S
|
测量对象 |
燃烧废气和混合气体中的氧气浓度 |
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测量系统 |
氧化锆系统 |
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显示 |
6位LCD |
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开关 |
三个光学开关 |
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防爆认证 |
ZR202S-A (ATEX): EExd II B + H2，Group II， Category 2GD，T2，T |
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氧气浓度 |
0.01～100vol% |
|
输出信号 |
4～20mA DC，一点(最大负载电阻550Ω) |
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测量量程 |
0~5vol%或0~100vol%(O2单位为1vol%)量程下任意设定，或部分量程 |
|
数字通信(HART) |
250～550Ω，取决于回路所连接的现场设备数(多点模式) |
|
样气压力 |
-5～+5kPa |
|
样气温度 |
0～ |
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探头长度 |
0.4，0.7，1.0，1.5， |
|
接点输出 |
两点(一点故障安全，常开) |
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接点输入 |
两点 |
|
标定 |
方法: 零点气/量程气标定 |
|
结构 |
等同于NEMA4X/IP66 |
|
环境温度 |
-20～+ |
|
电源 |
85～264V AC，45～66Hz |
一体式防爆型氧化锆氧分析仪
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