<*n style="font-size:10pt;line-height:150%;font-family:宋体;">*n><*n style="font-size:10.0pt;line-height:150%;font-family:宋体;color:#940C18;">用途*n><*n style="font-size:9pt;line-height:150%;font-family:宋体;"> *n>
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<*n style="font-size:9pt;font-family:宋体;">
WY-3051DP*n><*n style="font-size:9pt;font-family:宋体;">型流量变送器,专门接受从节流元件送来的差压信号<*n>,*n>经具有开平方功能的<*n>“J”*n>型电子线路板转换成与流量成正比的<*n>4*n>~<*n>20mA.DC*n>信号输出。本产品采用电子开关组件,将输出电流在<*n>20%*n>以下,与输入差压的关系切换成线性<*n>,*n>减缓了流量变送器在起始工作段(特别是零点<*n>)*n>输出电流的不稳定现象。但在输出电流<*n>50%*n>以下,由于流量变送器的转换灵敏度仍高于同规格的差压变送器,因此其稳定性仍略逊于差压变送器。<*n> *n>*n>
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<*n style="font-size:10pt;font-family:宋体;">*n><*n style="font-size:10.0pt;font-family:宋体;color:#940C18;">通用技术性能和参数*n><*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;"> *n><*n style="font-size:9pt;font-family:宋体;">输出信号:<*n>4*n>~<*n>20MA.DC*n>二线制(模拟)<*n>
*n>二线制<*n>4*n>~<*n>20mA*n>直流信号上叠加数字信号,由用户选择线性或开方输出。<*n>(*n>智能<*n>)
*n>供电电源:<*n>12*n>~<*n>45V.DC(*n>详见负载特*<*n>)
*n>负载特性:<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;"> *n>
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<*n style="font-size:9pt;font-family:宋体;"> *n>
<*n style="font-size:9pt;font-family:宋体;"> *n><*n style="font-size:9pt;font-family:宋体;">电源<*n>--*n>负载特性<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;"> *n><*n style="font-size:9pt;font-family:宋体;">量 程 比:<*n>10*n>:<*n>1*n>或<*n>100*n>比<*n>1
*n>电源影响:<*n><0.005%*n>输出量程<*n>/V
*n>负载影响:电源稳定时,无负载影响。<*n>
*n>测量精度:调校量程的<*n>±0.1%*n>,<*n>±0.2%*n>(标配精度为<*n>±0.2%*n>,若选择其他精度请在订货选型时注明。)<*n>
*n>阻<*n> *n>尼:通常可在<*n>0.1*n>至<*n>16*n>秒之间可调。<*n>
*n>启动时间:<*n><2*n>秒,不需预热<*n>
*n>工作环境:环境温度<*n> -29*n>~<*n>93℃*n>(模拟放大器)<*n>
-29*n>~<*n>75℃*n>(数字<*n>/*n>智能放大器)<*n>
-29*n>~<*n>65℃*n>(带显示表头)<*n>
*n>环境湿度<*n> 0*n>~<*n>95%
*n>防护特性:防护能力<*n> IP65
*n>防爆类型:隔爆型<*n> Exd II BT4-6
*n>本安型<*n> Exia II CT5
*n>静压影响:零位误差:<*n>±0.5%*n>****量程限值,对于<*n>32MPa*n>在管道压力下通过调零给予校正。<*n>
*n>电磁辐射影响:<*n>0.05%*n>****量程值,接受辐射频率<*n>27*n>~<*n>500MHz*n>,试验场强<*n>3V/m*n>。<*n>
*n>指示表<*n>(%)*n>:液晶数显 精度<*n>±0.2%
*n>振动影响:任何方向<*n>200Hz*n>振动时,<*n>±0.05%/g*n>。<*n>
*n>安装位置:膜片未垂直安装,可能产生小于<*n>0.24KPa*n>的零点误差,但可通过调零来修正。<*n>
*n>重<*n> *n>量:<*n>3.9Kg*n>(不包括附件)<*n>*n>*n>
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<*n style="font-size:10pt;font-family:宋体;">*n><*n style="font-size:10.0pt;font-family:宋体;color:#940C18;">WY-3051DP*n><*n style="font-size:10.0pt;font-family:宋体;color:#940C18;">型流量变送器*n><*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">测量范围 (<*n>KPa*n>)<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">3
4
5*n>
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<*n style="font-size:9pt;font-family:宋体;">0
- 1.3 *n><*n style="font-size:9pt;font-family:宋体;">~<*n> 7.5
0 - 6.2 *n>~<*n> 37.4
0 - 31.1 *n>~<*n> 186.8*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">输出形式<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">J*n>
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<*n style="font-size:9pt;font-family:宋体;">4*n><*n style="font-size:9pt;font-family:宋体;">~<*n>20mA.DC *n>输入差压的平方根<*n>,*n>阻尼可调,带<*n>4*n>位<*n>LCD*n>数字显示<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">容室和接头材质<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">排气<*n>/*n>排液阀材质<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">1
2
3
4*n>
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<*n style="font-size:9pt;font-family:宋体;">碳钢镀铬<*n>
316*n>钢<*n>
*n>哈氏合金<*n>C
*n>蒙耐尔合金<*n> *n>*n>
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<*n style="font-size:9pt;font-family:宋体;">316*n><*n style="font-size:9pt;font-family:宋体;">钢<*n>
316*n>钢<*n>
*n>哈氏合金<*n>C
*n>蒙耐尔合金<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">隔离膜片材质<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">2
3
4
5*n>
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<*n style="font-size:9pt;font-family:宋体;">316L*n><*n style="font-size:9pt;font-family:宋体;">钢<*n>
*n>哈氏合金<*n>C
*n>蒙耐尔合金<*n>
*n>钽<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">静压允许值<*n> (MPa)*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">B
C
D*n>
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<*n style="font-size:9pt;font-family:宋体;">5
10
14*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">灌充液<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">无<*n>
F*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">低粘度硅油<*n>
*n>氟油<*n>(*n>惰性液<*n>,*n>用于制氧系统<*n>)*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">代号<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">选用件<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">M3
B1
B2
B3
D1
D2
*n><*n style="font-size:9pt;font-family:宋体;">不注<*n>
C1
C2
C3
d
I*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">数显指示表<*n> 4*n>位<*n>LCD*n>数字显示<*n>
*n>管装弯支架 (安装管<*n>φ60*n>)<*n>
*n>板装弯支架<*n>
*n>管装平支架 (安装管<*n>φ60*n>)<*n>
*n>排气<*n>/*n>排液阀装在容室侧面的上部<*n>
*n>排气<*n>/*n>排液阀装在容室侧面的下部<*n>
*n>椭圆接头内螺纹<*n>NPT
NPT*n>外螺纹接头<*n>
M20×1.5*n>丁字接头<*n>
NPT*n>外螺纹接头<*n>
*n>隔爆型,防爆标志<*n>ExdⅡBT4-6
*n>本安型,防爆标志<*n>ExiaⅡCT5*n>*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">*n>
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<*n style="font-size:9pt;font-family:宋体;">WY-3051DP
3 J 2
2 C
M3 B1 0*n><*n style="font-size:9pt;font-family:宋体;">~<*n>2.5KPa *n>选型举例<*n>*n>*n>
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<*n style="font-size:9pt;font-family:宋体;"> *n>
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<*n style="font-size:9pt;font-family:宋体;"> *n><*n style="font-size:9.0pt;font-family:宋体;color:#941018;">注*n><*n style="font-size:9pt;font-family:宋体;">:外形尺寸、安装方式、引压连接方式参见<*n>WY-3051DP*n>差压变送器的引压连接方式。<*n>*n>*n>
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