Method and device for monitoring and/or determining the condition of a measurement probe

A technology of detectors and conditions, used in measuring devices, instruments, scientific instruments, etc., can solve problems such as unsatisfactory diagnosis, and achieve the effect of avoiding mutual influence

Active Publication Date: 2009-10-28
METTLER TOLEDO INSTR SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, they only allow unsatisfactory diagnostics in general, specifically measuring the current condition of the probe's wear

Method used

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  • Method and device for monitoring and/or determining the condition of a measurement probe
  • Method and device for monitoring and/or determining the condition of a measurement probe
  • Method and device for monitoring and/or determining the condition of a measurement probe

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Embodiment Construction

[0057] figure 1 It shows a processing system with a container 8 consisting of a pasteurization insulation barrel 81 filled with process materials 6, which can be connected to the system unit of the next processing stage through a connecting pipe 82. The characteristics of the process material 6 are measured by measuring probes 1a, 1b, and 1c connected to the estimation device 3a or 3b through the signal transmission device 2. The estimation devices 3a, 3b used as measurement converters in other functions are connected to the host computer 300 via the segment coupler 30.

[0058] in figure 2 In, the main design structure of an electrochemical measurement probe such as a PH measurement probe is schematically shown. Among them, a single-rod measurement chain structure includes a glass electrode 16, a reference electrode 15, and an auxiliary electrode 18. In the measurement probe 1, the glass electrode with the conductor wire element 16 and the reference electrode with the reference...

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Abstract

The method involves measuring the ion concentration of a process material (6) by a measurement probe (1) provided with an electrode (EL) e.g. a hydrogen potential measurement probe, an oxygen measurement probe, or a carbon dioxide measurement probe. The measuring probe is provided with a monitoring phase (Tp). A charge accumulator (Q2) associated with the electrode is charged by a charge transfer which is controllable through a control unit (CU) during a charging phase (TL). The resulting electrode voltage (UE) is measured in a subsequent test phase (TT). An independent claim is also included for a device for monitoring the condition of an electrochemical measurement probe.

Description

Technical field [0001] The present invention relates to a measuring method and measuring device for monitoring and / or determining the condition of an electrochemical measuring probe. The electrochemical measuring probe is, for example, an ion-sensitive measuring probe, in particular, a PH measuring probe , Oxygen measuring detector or CO 2 Measuring probe. Background technique [0002] The monitoring and control of industrial processes (for example, in the chemical and pharmaceutical industries, in the textile industry, in the food and beverage industry, in the treatment of paper and cellulose, or in the field of water and wastewater treatment) is based on the adoption of appropriate The measurement of process variables determined by the measurement probe. [0003] According to the comparison document [1]] "Process Measurement Solutions Catalog, 2005 / 06" (Uldorf, Switzerland CH-8902, METTLER TOLEDO Public Co., Ltd.; pages 8 and 9), complete measurement The system consists of a ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/416
CPCG01N27/4163
Inventor J·阿曼
Owner METTLER TOLEDO INSTR SHANGHAI
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