美国通用电气公司（GE-GENERAL ELECTRICAL）最初历史可以追溯到托马斯爱迪生先生，他于1878年创立了最初的爱迪生电灯公司。1890年开始，爱迪生在将各项业务重组后，正式成立爱迪生通用电气公司。并于1892年和休斯顿电气公司合并为通用电气公司（GE-GENERAL ELECTRICAL）。
GE产品和服务涵盖从航天，军火，船舶，发电设备，水处理及发动机等，是一家多元的科技，金融服务公司。
GE变送器MMR31-B-2-A-1-G产品介绍
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MMR31 series
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B = FM XP-IS Class I, Group A, B, C, D/Type 4X; T5 Ta = 60°C
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2 = 3/4" NPT-M compression fitting; includes SS ferrule
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A = Standard, with 100 micron sintered filter
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1 = M20 x 1.5F with cable gland and plug
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G = One output 4-20mA selectable; with display & interface; fault status 22mA
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GE变送器MMR31系列介绍
DewPro MMR31回路供电水分变送器代表了一种简单、经济高效的中等水分测量解决方案。DewPro MMR31 使用经过验证的聚合物电容传感器，可提供0至100% RH的测量范围，在0至90%范围内精度为±2%，在90%至100% 范围内精度为±3%。还提供用于温度测量的获得专利的第二个隔离回路。带有用户界面的可选集成显示器提供完整的编程和诊断功能。
DewPro MMR31提供范围广泛的过程湿度测量，包括相对湿度、露点温度、绝对湿度和混合比。这些关键参数将有助于监控和控制关键过程。 无论您是需要提高产品经济性、提高产品质量、保持舒适度，还是保持储存食品或其他用品的特性，DewPro MMR31 都允许应用灵活性。
The DewPro MMR31 loop-powered moisture transmitter represents a simple, cost-effective solution for mid-range moisture measurements. The DewPro MMR31 uses a proven polymer capacitive sensor to provide a measurement range of 0 to 100% RH with an accuracy of ±2% in the range of 0 to 90% and ±3% in the range of 90 to 100%. A patented second isolated loop for temperature measurement is also available. The optional integrated display with user interface provides full programming and diagnostic capability.
The DewPro MMR31 provides a wide range of process humidity measurements, including relative humidity, dew point temperature, absolute humidity, and mixing ratio.These key parameters will help monitor and control critical processes. Whether you need to improve product economy, increase product quality, maintain comfort levels, or preserve the properties of stored foods or other supplies, the DewPro MMR31 allows application flexibility.
GE变送器MMR31系列其他常用型号：
GE MMR31-B-2-A-1-G
GE MMR31-R-2-A-1-A
GE MMR31-R-2-A-1-C
GE MMR31-R-2-A-1-D
GE MMR31-R-2-A-1-G
GE MMR31-R-2-A-1-B
GE MMR31-R-2-A-1-E
GE MMR31-R-2-A-1-F
GE MMR31-R-2-A-1-H
GE MMR31-R-2-A-2-A
GE MMR31-R-2-A-2-C
GE MMR31-R-2-A-2-D
GE MMR31-R-2-A-2-G
GE MMR31-R-2-A-2-B
GE MMR31-R-2-A-2-E
GE MMR31-R-2-A-2-F
GE MMR31-R-2-A-2-H