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1. 发明申请

WO2011056622A2 PROCESS ANALYTIC SENSOR WITH LOW POWER MEMORY WRITE FUNCTION 审中-公开
标题翻译：具有低功率存储器写功能的过程分析传感器
公开(公告)号：WO2011056622A2
公开(公告)日：2011-05-12
申请号：PCT/US2010/054198
申请日：2010-10-27
申请人： ROSEMOUNT ANALYTICAL INC. , REZVANI, Behzad , LOMIBAO, Jeffrey , CIOBANU, Calin
发明人： REZVANI, Behzad , LOMIBAO, Jeffrey , CIOBANU, Calin
IPC分类号： G01N27/28
CPC分类号： G01N27/4165 , G06F1/3203 , G06F1/325 , G06F1/3275 , Y02D10/13 , Y02D10/14
摘要： A process analytic sensor (14) is provided. The process analytic sensor (14) includes a process analytic sensing element (24) that is coupleable to a process. The process analytic sensing element (24) has an electrical characteristic that varies with an analytical aspect of the process. A microcontroller (22) is disposed within the process analytic sensor (14) and is coupled to the process analytic sensing element (24) to sense the electrical characteristic and provide an analytical signal based on the sensed characteristic. The microcontroller (22) is operable on as little as 0.5 milliamps and includes electrically erasable programmable read only memory (EEPROM) (54) that can be written while the microcontroller (22) operates on as little as 0.5 milliamps.
摘要翻译：提供了一种工艺分析传感器（14）。过程分析传感器（14）包括可与过程耦合的过程分析感测元件（24）。过程分析感测元件（24）具有根据该过程的分析方面而变化的电特性。微处理器（22）设置在过程分析传感器（14）内并且耦合到过程分析感测元件（24）以感测电特性并且基于感测到的特性提供分析信号。微控制器（22）可以在0.5毫安下工作，并且包括电可擦除可编程只读存储器（EEPROM）（54），当微控制器（22）工作在0.5毫安时，可写入。

2. 发明申请

WO2005083397A1 TURBIDITY SENSING SYSTEM WITH REDUCED TEMPERATURE EFFECTS 审中-公开
标题翻译：具有降低温度效应的涡轮传感系统
公开(公告)号：WO2005083397A1
公开(公告)日：2005-09-09
申请号：PCT/US2005/005774
申请日：2005-02-24
申请人： ROSEMOUNT ANALYTICAL INC. , CIOBANU, Calin , REZVANI, Behzad
发明人： CIOBANU, Calin , REZVANI, Behzad
IPC分类号： G01N21/49
CPC分类号： G01N21/274 , G01N21/53 , G01N2201/0218 , G01N2201/127 , G01N2201/12707
摘要： A turbidity measurement system (100) with an improved thermal behavior is provided. A turbidity measurement system (100) includes an analyzer (102) and one or more turbidity sensors (104, 106). Each turbidity sensor (104, 106) includes a source of illumination and a semiconductor-based illumination sensor. The dark current of the semiconductorbased illumination sensor is measured when no illumination is provided by the source. This measured dark current is then used to provide a dark current compensated turbidity measurement.
摘要翻译：提供了具有改进的热性能的浊度测量系统（100）。浊度测量系统（100）包括分析器（102）和一个或多个浊度传感器（104,106）。每个浊度传感器（104,106）包括照明源和基于半导体的照明传感器。当源不提供照明时，测量基于半导体的照明传感器的暗电流。然后使用该测量的暗电流来提供暗电流补偿浊度测量。

3. 发明申请

WO2006034170A1 TURBIDITY SENSOR WITH IMPROVED NOISE REJECTION 审中-公开
标题翻译：具有改进的噪声抑制的涡街传感器
公开(公告)号：WO2006034170A1
公开(公告)日：2006-03-30
申请号：PCT/US2005/033434
申请日：2005-09-16
申请人： ROSEMOUNT ANALYTICAL INC. , REZVANI, Behzad , LOMIBAO, Jeffrey
发明人： REZVANI, Behzad , LOMIBAO, Jeffrey
IPC分类号： G01N21/51
CPC分类号： G01N21/49 , G01N21/51
摘要： A turbidity sensor (300, 340) includes a sensor body (302), a primary illuminator (306), a scattered light detector (310) and a bubble illuminator (314) . The sensor body (302) is disposed to contact a liquid sample (304). The primary illumination source (306) is disposed to direct illumination into the liquid sample (304). The scattered illumination detector (310) is disposed proximate a portion of the sensor body (302) that is straight in at least one dimension, and the detector (310) is configured to detect illumination from the primary illumination source (306) that is scattered within the liquid sample (302). A bubble illuminator (314) is disposed to direct illumination along the at least one dimension. Scattered light that originates from the bubble illuminator (314) is detected by the scattered light detector (310) and provides an indication of bubbles (312) proximate the scattered light detector (310). Methods of filtering and selectively updating a running average of turbidity readings are also disclosed.
摘要翻译：浊度传感器（300,340）包括传感器主体（302），主照明器（306），散射光检测器（310）和气泡照明器（314）。传感器主体（302）设置成接触液体样品（304）。主照明源（306）设置成将照明引导到液体样品（304）中。散射照明检测器（310）设置在传感器主体（302）的至少一个维度上是直的部分附近，并且检测器（310）被配置为检测来自散射的主照明源（306）的照明在液体样品（302）内。设置气泡照明器（314）以沿着至少一个维度引导照明。由散射光检测器（310）检测来自气泡照明器（314）的分散光，并提供靠近散射光检测器（310）的气泡（312）的指示。还公开了滤波和选择性地更新浊度读数的运行平均值的方法。

4. 发明申请

WO2008030585A1 MEASURING CONDUCTIVITY OF A LIQUID 审中-公开
标题翻译：测量液体的电导率
公开(公告)号：WO2008030585A1
公开(公告)日：2008-03-13
申请号：PCT/US2007/019589
申请日：2007-09-07
申请人： ROSEMOUNT ANALYTICAL, INC. , REZVANI, Behzad
发明人： REZVANI, Behzad
IPC分类号： G01N27/06
CPC分类号： G01N27/06
摘要： An improved contacting-type conductivity measurement system and method are provided. A first conductivity measurement is obtained by driving a contacting- type conductivity sensor (14) with an excitation voltage at a first frequency, a second conductivity is obtained by driving the contacting- type conductivity sensor (14) with the excitation voltage at a second frequency. The first and second conductivity measurements are used to provide a more accurate conductivity output.
摘要翻译：提供了一种改进的接触型电导率测量系统和方法。通过用第一频率的激励电压驱动接触型电导率传感器（14）获得第一电导率测量值，通过以第二频率驱动接触型电导率传感器（14）获得激励电压来获得第二导电率。第一和第二电导率测量用于提供更准确的电导率输出。

5. 发明申请

WO2008021546A2 IMPEDANCE MEASUREMENT OF A PH ELECTRODE 审中-公开
标题翻译：阻抗测量PH电极
公开(公告)号：WO2008021546A2
公开(公告)日：2008-02-21
申请号：PCT/US2007/018383
申请日：2007-08-17
申请人： ROSEMOUNT ANALYTICAL, INC. , REZVANI, Behzad , LOMIBAO, Jeffrey , FENG, Chang-Dong
发明人： REZVANI, Behzad , LOMIBAO, Jeffrey , FENG, Chang-Dong
CPC分类号： G01N27/4165
摘要： A method (300) of measuring impedance of a pH electrode (210) is provided. A test current (I) is applied (320) to the pH electrode (210) for a time duration that is less than 50 percent of a time constant that is associated with electrical characteristics of the pH electrode (210). A voltage response of the pH electrode is measured (330) when the test current (I) is applied to the pH electrode (210). An impedance of the pH electrode is calculated as a function of the voltage response (340).
摘要翻译：提供了测量pH电极（210）的阻抗的方法（300）。测试电流（I）以小于与pH电极（210）的电特性相关联的时间常数的50％的持续时间施加（320）到pH电极（210）。当测试电流（I）施加到pH电极（210）时，测量（330）pH电极的电压响应。根据电压响应（340）计算pH电极的阻抗。

6. 发明申请

WO2014160944A1 IN SITU FLUE GAS ANALYZER WITH IMPROVED PROCESS COMMUNICATION 审中-公开
标题翻译：在具有改进过程通信的现场燃气分析仪中
公开(公告)号：WO2014160944A1
公开(公告)日：2014-10-02
申请号：PCT/US2014/032181
申请日：2014-03-28
申请人： ROSEMOUNT ANALYTICAL, INC.
发明人： NEMER, Joseph, C. , REZVANI, Behzad , WEY, Anni, S. , KRAMER, James, D.
IPC分类号： G01N27/407 , G08C19/00 , F23N5/00 , F23N1/00 , F23N3/00
CPC分类号： F23N5/006
摘要： An in situ flue gas analyzer (10) includes a probe (12) extendable into a flue. The probe (12) has a measurement cell providing a signal responsive to a concentration of a gas within the flue. A controller (52) is coupled to the probe (12) and configured to provide an output based on the signal from the measurement cell. A first media access unit (54) is coupled to the controller (52) and is operably coupleable to a first process communication link. The first media access unit (54) is configured to communicate in accordance with an all- digital process communication protocol. A second media access unit (56) is coupled to the controller (52) and is operably coupleable to a second process communication link. The second media access (56) unit is configured to communicate in accordance with a second process communication protocol that is different than the all-digital process communication protocol. The first and second media access units (54, 56) are enabled simultaneously.
摘要翻译：原位烟气分析仪（10）包括可延伸到烟道中的探针（12）。探针（12）具有提供响应于烟道内的气体浓度的信号的测量池。控制器（52）耦合到探头（12）并且被配置为基于来自测量单元的信号提供输出。第一媒体访问单元（54）耦合到控制器（52）并且可操作地耦合到第一进程通信链路。第一媒体接入单元（54）被配置为根据全数字过程通信协议进行通信。第二媒体访问单元（56）耦合到控制器（52）并且可操作地耦合到第二进程通信链路。第二媒体接入（56）单元被配置为根据与全数字过程通信协议不同的第二进程通信协议进行通信。第一和第二媒体访问单元（54,56）被同时启用。

7. 发明申请

WO2013109816A1 LOW-CONDUCTIVITY CONTACTING-TYPE CONDUCTIVITY MEASUREMENT 审中-公开
标题翻译：低电导率接触型电导率测量
公开(公告)号：WO2013109816A1
公开(公告)日：2013-07-25
申请号：PCT/US2013/022042
申请日：2013-01-18
申请人： ROSEMOUNT ANALYTICAL, INC.
发明人： REZVANI, Behzad , LOMIBAO, Jeffrey
IPC分类号： G01N27/06
CPC分类号： G01N27/06
摘要： A method (100) of measuring low conductivity of a liquid sample using a contacting- type conductivity sensor is provided. The method (100) includes applying a first excitation current (102) to a contacting-type conductivity sensor at a first drive frequency. A first voltage response to the first excitation current is determined (104). A second excitation current (106) is applied to the contacting-type conductivity sensor at a second drive frequency higher than the first drive frequency. A second voltage response to the second excitation current is determined (108). A conductivity output is provided based, at least in part, on the first and second voltage responses (110). A system for measuring conductivity of a liquid at or below 100 μ8/αη is also provided (10).
摘要翻译：提供了使用接触型电导率传感器测量液体样品的低电导率的方法（100）。方法（100）包括以第一驱动频率向接触型电导率传感器施加第一激励电流（102）。确定对第一激励电流的第一电压响应（104）。第二激励电流（106）以高于第一驱动频率的第二驱动频率施加到接触型电导率传感器。确定对第二激励电流的第二电压响应（108）。至少部分地基于第一和第二电压响应（110）提供电导率输出。还提供了一种用于测量液体的电导率的系统，该液体在等于或低于100μM/αeta（10）。

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