批发testo6741，testo6741露点变送器

          产品特点                                                
1.g1/2连接,负载压力70bar 
2.模拟输出4～20ma(2线制),2个限制输出信号(可选) 
3.预先报警和重要报警
露点测量范围  -60～30℃tpd                                                                                                                                                         
                                                                                                                                                                                                                                                温度测量范围  0～50℃)                                                                                                                                                         
                                                                                                                                                                                                                                                测量精度                                                                                                                                                         
露点                                                                                                                                                                                                                                                         ±1°ctd (在0°ctd下 )
±3°ctd (在-20°ctd下 )
±4°ctd (在-40°ctd下 )                                                                                                                                                         
                                                                                                                                                                                                                                                温度 ±0.5°c (ntc)                                                                                                                                                         
                                                                                                                                                                                                                                                露点时  变送器输出为霜点                                                                                                                                                         
                                                                                                                                                                                                                                                输出信号  4-20ma两线制                                                                                                                                                         
                                                                                                                                                                                                                                                标准对应 4 to 20 ma = -60 to +30 °ctpd                                                                                                                                                         
                                                                                                                                                                                                                                                输出参数                                                                                                                                                                                                                                                         露点 °ctd ；霜点°cta ；相对湿度%rh、体积比ppm、绝对湿度g/m3 ；温度°c                                                                                                                                                         
                                                                                                                                                                                                                                                分辨率 12bit                                                                                                                                                         
                                                                                                                                                                                                                                                精度   ± 40 μa                                                                                                                                                         
                                                                                                                                                                                                                                                外壳材质  聚丙烯塑料                                                                                                                                                         
                                                                                                                                                                                                                                                尺寸 199.5×37×37（模拟输出）203.5x37x37 (报警输出模块)                                                                                                                                                         
                                                                                                                                                                                                                                                工作温度  -20 --+70 °c                                                                                                                                                         
存储温度  -40--+80 °c                                                                                                                                                         
防护等级  ip 65                                                                                                                                                         
                                                                                                                                                                                                                                                传感器保护  不锈钢烧结过滤帽                                                                                                                                                         
                                                                                                                                                                                                                                                报警输出模块 (可选，订货号0554 3302)                                                                                                                                                         
                                                                                                                                                                                                                                                触点 2个no触点，无电位差，最大30v0.5a                                                                                                                                                         
                                                                                                                                                                                                                                                报警点 标准为6°/12 °ctpd,                                                                                                                                                         
                                                                                                                                                                                                                                                供电  24v（10 to 30 vdc 允许）                                                                                                                                                         
                                                                                                                                                                                                                                                带报警输出模块(0554 3302)  20--28 vdc                                                                                                                                                         
                                                                                                                                                                                                                                                电流消耗   21 ma（普通） ；65 ma（带报警输出模块）                                                                                                                                                         
                                                                                                                                                                                                                                                最大负载  10 vdc: 100 ohm,；30 vdc: 950 ohm                                                                                                                                                         
                                                                                                                                                                                                                                                emc电磁兼容   符合guideline 89/336 eec

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批发testo6741，testo6741露点变送器
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