WO2021106129A1 - 水分計 - Google Patents

水分計 Download PDF

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Publication number
WO2021106129A1
WO2021106129A1 PCT/JP2019/046495 JP2019046495W WO2021106129A1 WO 2021106129 A1 WO2021106129 A1 WO 2021106129A1 JP 2019046495 W JP2019046495 W JP 2019046495W WO 2021106129 A1 WO2021106129 A1 WO 2021106129A1
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WO
WIPO (PCT)
Prior art keywords
unit
heating
sample
abnormality
mass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/046495
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English (en)
French (fr)
Japanese (ja)
Inventor
菅野　将弘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A&D Holon Holdings Co Ltd
Original Assignee
A&D Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A&D Co Ltd filed Critical A&D Co Ltd
Priority to JP2021561059A priority Critical patent/JP7316727B2/ja
Priority to CN201980100943.2A priority patent/CN114556077B/zh
Priority to EP19954457.8A priority patent/EP4067862B1/en
Priority to US17/779,503 priority patent/US12535397B2/en
Priority to PCT/JP2019/046495 priority patent/WO2021106129A1/ja
Publication of WO2021106129A1 publication Critical patent/WO2021106129A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
    • G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content

Definitions

  • the present invention relates to a moisture meter, and more particularly to a heat-drying moisture meter.
  • a heat-drying moisture meter is known as one of the devices for measuring the moisture content of a sample (for example, Patent Document 1).
  • the heat-drying moisture meter is a device that evaporates the moisture in the sample by heating the sample and measures the moisture content of the sample from the change (decrease) in the mass of the sample before and after heating.
  • the heat-drying moisture meter is relatively inexpensive as a device, and can measure the moisture content of a wide range of samples in a relatively short time. Therefore, the heat-drying moisture meter is widely used as a moisture meter. In the present specification, unless otherwise specified, the moisture meter refers to a heat-drying moisture meter.
  • Patent Document 1 sodium tartrate dihydrate (C 4 H 4 Na 2 O 6 ⁇ 2H 2 O, hereinafter, simply referred to as "sodium tartrate.”), Such as, a substance previously moisture content is known, device Disclose a moisture meter configured to be calibrated using as a reference material for performance inspection. It is known that when sodium tartrate is heated at a temperature of about 160 ° C. for about 10 minutes, the crystals undergo irreversible changes and release water.
  • the moisture meter of Patent Document 1 compares the measured moisture content of the standard substance with the theoretical moisture content of the standard substance stored in advance in the storage unit, and evaluates and evaluates the comparison result based on a preset evaluation standard. Based on the result, the mass measuring unit is calibrated so that the measured moisture content is equal to the theoretical moisture content.
  • the measurement performance of the moisture meter is affected not only by the state of the mass measuring part but also by other factors, especially the state of the heating part.
  • the halogen lamp which is the heating means, or the glass cover for protecting the sample is dirty, or if the halogen lamp itself is out of order, it can be heated according to its performance.
  • the measurement time may become long.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide a heat-drying moisture meter capable of diagnosing the state of an apparatus in consideration of factors other than the mass measuring unit.
  • the moisture meter is configured to be openable and closable with a mass measuring unit for measuring the mass of a sample placed on a weighing dish, and the weighing dish is internally provided.
  • the arranged heating chamber, the heating unit arranged in the heating chamber to heat the sample, and the heating unit are controlled to heat the sample until the mass change of the sample becomes equal to or less than a predetermined threshold value before and after heating.
  • a control calculation unit that calculates the water content of the sample from the mass change of the sample, a clock that measures the heating time, and a storage unit are provided, and the control calculation unit includes the water content of a standard substance for inspection as the sample.
  • the standard substance measuring unit that measures the rate and the heating time and the measured water content are evaluated based on the theoretical water content of the standard material, and the presence or absence of abnormality in the mass measuring unit is diagnosed, and the measured heating time.
  • the abnormality diagnosis unit determines that the heating unit has an abnormality when the actually measured heating time is longer than the predetermined time.
  • the standard substance is sodium tartrate dihydrate.
  • the display unit is provided, and the abnormality diagnosis unit displays a message on the display unit as a diagnosis result, informing the user of the location of the abnormality and the countermeasure for the cause.
  • the heat-drying moisture meter it is possible to diagnose the state of the device by considering factors other than the mass measuring part, especially the state of the heating part.
  • FIG. 1 is a block diagram showing the configuration of the moisture meter 100 according to the embodiment of the present invention
  • FIG. 2 is a perspective view showing a state in which the lid 9 of the heating chamber C is opened in the moisture meter 100.
  • the moisture meter 100 includes a mass measuring unit 2, a heating unit 3, a clock 4, a control calculation unit 5, an input unit 6, a display unit 7, and a storage unit 8.
  • the mass measuring unit 2 is a so-called mass meter such as an electromagnetic equilibrium type mass sensor, and is connected to a weighing pan 2a on which a sample is placed.
  • the mass measuring unit 2 measures the mass of the sample placed on the weighing pan 2a. Further, the mass measuring unit 2 is housed inside the moisture meter main body 10.
  • the weighing pan 2a is arranged in the heating chamber C which is sealed by closing the openable lid 9 shown in FIG.
  • the weighing pan 2a is provided with a handle 2b and is configured to be removable from the mass measuring unit 2.
  • the heating chamber C is configured as a space defined by the upper portion of the moisture meter main body 10 and the lid 9, and stores the weighing pan 2a.
  • the heating unit 3 includes a heating means 3a such as a halogen lamp and a resistance wire that generates heat in Joule, and a temperature sensor (not shown).
  • the heating means 3a is controlled by the control calculation unit 5 based on the output from the temperature sensor to heat the sample.
  • the heating means 3a is stored inside the lid 9 of the heating chamber C.
  • the lid 9 includes a container-shaped glass cover 9a that covers the weighing pan 2a in order to prevent contact between the sample and the heating means 3a.
  • the clock 4 measures the heating time from when the heating unit 3 starts heating to when the heating is stopped under the control of the control calculation unit 5.
  • the clock 4 may be incorporated in the control calculation unit 5 as, for example, a system clock.
  • the control calculation unit 5 is a CPU (Central, Processing, Unit) that performs calculation processing. It is a microcomputer provided with a ROM (Read / Only / Memory) and a RAM (Random / Access / Memory) as an auxiliary storage unit.
  • ROM Read / Only / Memory
  • RAM Random / Access / Memory
  • the control calculation unit 5 is connected to each unit of the mass measurement unit 2, the heating unit 3, the clock 4, the input unit 6, the display unit 7, and the storage unit 8, and various types for exerting the functions of the moisture meter 100 are exhibited. Perform the action.
  • the control calculation unit 5 controls each unit to execute the measurement of the sample measurement mode, the inspection initial setting mode, and the inspection mode.
  • the sample measurement mode is a normal use mode of the moisture meter 100, and is a mode for measuring the moisture content of a sample whose moisture content is desired to be known.
  • the inspection mode is a mode for diagnosing the state of the moisture meter 100.
  • the inspection initial setting mode is a mode for acquiring the initial setting value (set heating time) of the heating time for the inspection mode.
  • the control calculation unit 5 also includes a sample measurement unit 51, a standard substance measurement unit 52, and an abnormality diagnosis unit 53. Each functional unit is realized by, for example, a program.
  • the sample measurement unit 51 controls the heating unit 3 to monitor the mass change of the sample while heating the sample, and when the mass change rate of the sample becomes equal to or less than a predetermined threshold value, The heating unit 3 is stopped.
  • the sample measuring unit 51 calculates the moisture content M of the sample by the following formula 1 using the mass measurement value before heating and the mass measurement value after heating of the sample.
  • M (%) [[(W1-W2)] / W1] ⁇ 100 ... (Equation 1) (Here, W1 is the mass measurement value before heating, and W2 is the mass measurement value after heating.)
  • the standard substance measuring unit 52 measures the water content of the standard substance for inspection (hereinafter, simply referred to as “standard substance”) in the same manner as the sample measuring unit 51, and the standard substance measuring unit 52. The heating time required to measure the water content of the standard substance is measured.
  • the abnormality diagnosis unit 53 determines whether or not the measured moisture content Mi of the standard substance is within a predetermined range based on the theoretical moisture content Mt of the standard substance, and determines whether or not the abnormality of the mass measurement unit 2 is within the predetermined range. Judge the presence or absence of.
  • the abnormality diagnosis unit 53 compares the actually measured heating time Ti with the set heating time Ts in the inspection initial setting mode stored at the time of shipment from the factory to determine the presence or absence of an abnormality in the heating unit 3.
  • the input unit 6 is an operation button such as a start button, a stop button, an up / down button, a selection button, and a decision button, and performs measurement start, measurement stop instruction, mode setting, operation selection, and the like.
  • the display unit 7 is a liquid crystal display and displays measurement results, a mode selection screen, a message, and the like.
  • the input unit 6 and the display unit 7 may be integrally configured as a touch panel display.
  • the storage unit 8 is, for example, a non-volatile semiconductor memory such as a flash memory.
  • the storage unit 8 stores the setting of the heating temperature and the amount of the sample placed so that an appropriate inspection can be performed according to the theoretical moisture content of the standard substance and the standard substance. It also stores the heating time of the standard substance measured in the inspection initial setting mode. Further, the storage unit 8 stores a message to be displayed on the display unit 7 by the abnormality diagnosis unit 53 in order to notify the user of the diagnosis result.
  • the standard substance used for the abnormality diagnosis of the moisture meter 100 will be described.
  • the standard substance is not limited to these, but for example, the substances shown in Table 1 can be used, and sodium tartrate is particularly preferable because it has high stability and is easy to handle.
  • suitable heating temperatures are known for measuring the theoretical moisture content and the moisture content.
  • At least one standard substance may be set, but a plurality of standard substances may be set.
  • the storage unit 8 stores the theoretical moisture content of the plurality of standard substances, the appropriate heating temperature, and the sample loading amount corresponding to the codes assigned to the individual substances.
  • FIG. 3 is a flowchart of the normal use state of the moisture meter 100, that is, the operation of the moisture meter 100 in the sample measurement mode.
  • step S101 the user sets the moisture meter 100 to the sample measurement mode from the input unit 6. If the mode normally used is set to the sample measurement mode in advance, step S101 may be omitted.
  • step S102 the user places the sample on the weighing pan 2a, closes the lid 9, sets the heating temperature from the input unit 6, and then presses the measurement start button.
  • step S103 the sample measuring unit 51 starts heating the heating unit 3.
  • the water content of the sample gradually evaporates due to heating, and the mass measurement value of the sample measured by the mass measuring unit 2 decreases with the passage of time.
  • the sample measurement unit 51 monitors the change in the mass measurement value, and when the change in the mass measurement value becomes equal to or less than a predetermined threshold value in step S104 (in the case of Yes), the sample measurement unit 51 shifts to step S105. .. In step S105, the sample measuring unit 51 stops heating of the heating unit 3, calculates the moisture content M according to Equation 1, displays the calculated result on the display unit 7, and ends the measurement.
  • FIG. 4 is a flowchart illustrating the operation of the moisture meter 100 in the inspection initial setting mode.
  • the inspection initialization mode is usually performed at the factory.
  • sodium tartrate is set as a standard substance.
  • step S201 when the operator at the manufacturer sets the inspection initial value setting mode from the input unit 6, the moisture meter 100 measures the standard substance in step S202.
  • step S301 the standard substance measurement unit 52 sets the sample placement amount and the heating temperature suitable for the inspection, which are stored in the storage unit 8 in advance corresponding to sodium tartrate. , For example, the following message is displayed on the display unit 7. "Standard substance: sodium tartrate (a) Heating temperature setting 160 ° C (B) Sample mass about 5 g "
  • step S302 the operator places about 5 g of sodium tartrate on the weighing pan 2a based on the instruction of the display unit 7, closes the lid 9 and sets the temperature, and then sets the heating set temperature to 160 ° C. Set and start measurement.
  • the heating temperature may be set manually by the operator, or may be automatically set by the moisture meter 100 according to the type of standard substance.
  • step S303 the standard substance measuring unit 52 starts heating the heating unit 3.
  • the standard substance measurement unit 52 monitors the change in the mass measurement value of the mass measurement unit 2 and at the same time measures the heating time T in the same manner as in the sample measurement mode.
  • step S304 when the change in the mass measurement value becomes equal to or less than a predetermined threshold value, in step S305, the standard substance measuring unit 52 stops heating the heating unit 3, and the moisture content M of the standard substance M. Is calculated according to Equation 1.
  • step S306 the standard substance measuring unit 52 calculates the time from the start of heating to the stop of heating, that is, the heating time T, and proceeds to step S203.
  • step S203 the display unit 7 displays the moisture content M and the heating time T.
  • step S204 the storage unit 8 stores the calculated heating time T as the set heating time Ts and ends the process.
  • FIG. 6 is a flowchart illustrating the operation of the moisture meter 100 in the inspection mode.
  • the inspection mode can be executed at any time when the user of the moisture meter 100 wants to inspect for the presence or absence of an abnormality in the moisture meter 100.
  • step S401 when the user sets the inspection mode from the input unit 6, in step S402, the standard substance measuring unit 52 determines the measured moisture content Mi of the standard substance and the measured heating time Ti, as in steps S301 to S306. Is calculated.
  • step S403 the standard substance measuring unit 52 temporarily stores the measured moisture content Mi and the measured heating time Ti measured in step S402.
  • step S404 the abnormality diagnosis unit 53 starts the abnormality diagnosis.
  • step S405 the abnormality diagnosis unit 53 determines whether or not the measured moisture content Mi of the standard substance calculated in step S402 is within a predetermined range based on the theoretical moisture content Mt. For example, when sodium tartrate is used, it is determined whether or not the water content is in the range of 15.0 to 16.0.
  • the predetermined range based on the theoretical moisture content Mt is determined according to the type of standard substance.
  • the theoretical moisture content may be set to ⁇ 1%.
  • step S405 when the measured moisture content Mi is within the predetermined range (Yes), in step S406, the abnormality diagnosis unit 53 determines that there is no abnormality in the mass measurement unit 2.
  • the abnormality diagnosis unit 53 determines that the mass measurement unit 2 has an abnormality in step S407.
  • step S408 the abnormality diagnosis unit 53 compares the measured heating time Ti in step S402 with the predetermined time Tp which is the set heating time Ts stored in the inspection initial setting mode, and the measured heating time Ti is determined. It is determined whether or not it is Tp or less for a predetermined time.
  • the predetermined time Tp is not exactly the same as the set heating time Ts, but may be a time having a certain range such as the set heating time Ts ⁇ 30 seconds.
  • step S408 when the measured heating time Ti is Tp or less for a predetermined time (Yes), in step S409, the abnormality diagnosis unit 53 determines that the heating unit 3 has no abnormality.
  • the abnormality diagnosis unit 53 determines that the heating unit 3 has an abnormality in step S410.
  • Examples of the cause of the abnormality of the heating unit 3 include dirt on the glass cover 9a, dirt on the heating means 3a, and failure of the heating means 3a.
  • step S411 the abnormality diagnosis unit 53 displays the diagnosis result on the display unit 7 and ends the process.
  • FIGS. 7 and 8 show a display example of the diagnosis result displayed on the display unit 7.
  • the button on the image pointed to by the black arrowhead 7a (highlighted in gray in the figure) is the currently selected button, and by selecting this button, the display screen changes.
  • FIG. 7A is an example of display when it is determined that the mass measuring unit 2 has an abnormality in step S407 and the heating unit 3 has no abnormality in step S409.
  • the abnormality diagnosis unit 53 confirms whether or not the display unit 7 has been calibrated as shown in FIG. 7 (B-1). Display a message.
  • the abnormality diagnosis unit 53 determines that calibration is necessary, and displays a message prompting the execution of calibration on the display unit 7 as shown in FIG. 7 (B-2). After confirming this, the user executes the calibration and selects the end button. Alternatively, it may be configured to automatically perform calibration.
  • the user After executing the calibration, the user confirms whether the abnormality has been resolved by executing the measurement in the inspection mode again. If the abnormality is not resolved even after calibration, the user selects "Yes” as shown in FIG. 7 (C-1).
  • the abnormality diagnosis unit 53 determines that the abnormality of the mass measurement unit 2 is not resolved even after the calibration, and the moisture meter 100 is in a state requiring repair, as shown in FIG. 7 (C-2). Displays a message prompting for repair. The user requests repair according to the message.
  • FIG. 8A is an example of display when it is determined that the mass measuring unit 2 has no abnormality in step S406 and the heating unit 3 has an abnormality in step S410.
  • the abnormality diagnosis unit 53 displays the stain on the glass cover 9a among the possible causes on the display unit 7 (B). A message prompting the cleaning of the glass cover 9a is displayed. The user who confirms the message cleans the glass cover 9a and selects "Next".
  • the abnormality diagnosis unit 53 displays a message prompting the display unit 7 to clean the halogen lamp (heating means 3a), as shown in FIG. 8C, regarding the dirt on the heating means 3a. .. After confirming the message, the user cleans the halogen lamp and selects "Next".
  • the abnormality diagnosis unit 53 displays a message prompting the replacement of the halogen lamp (heating means 3a) on the display unit 7 as shown in FIG. 8 (D) regarding the failure of the heating means 3a. ..
  • the user requests the replacement of the halogen lamp.
  • the display unit 7 displays an "end" button at each stage of FIGS. 7 (A) to 8 (D).
  • the user may end the display of the diagnosis result in the middle and execute the measurement in the inspection mode again according to his / her own judgment.
  • the moisture meter 100 in the inspection mode, the moisture content of the standard substance is measured, the measured moisture content Mi is evaluated with reference to the theoretical moisture content Mt of the standard substance, and the mass measuring unit 2 While diagnosing the presence or absence of abnormalities, the heating time required to measure the moisture content of the standard substance is measured, and the measured heating time Ti is compared with the predetermined heating time Ts, which is the set heating time Ts at the time of shipment from the factory. It was configured to judge the abnormality of 3. As a result, the state of the moisture meter 100 can be diagnosed in consideration of causes other than the mass measuring unit 2, particularly the state of the heating unit 3.
  • the measured heating time Ti is compared with the predetermined heating time Ts, which is the set heating time Ts, and when the measured heating time Ti becomes longer than the predetermined time Tp, the heating unit 3 has an abnormality. It was configured to judge. As a result, it is possible to diagnose the existence of defects such as dirt on the glass cover 9a and the halogen lamp (heating means 3a) or failure of the halogen lamp (heating means 3a), which increases the time required for measurement.
  • the abnormality diagnosis unit 53 is configured to sequentially display on the display unit 7 a message as a diagnosis result informing the user of the location of the abnormality and the countermeasure for the cause. did. As a result, the user can take appropriate measures against the abnormality even if he / she does not have special knowledge by acting according to the indication.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Biochemistry (AREA)
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PCT/JP2019/046495 2019-11-28 2019-11-28 水分計 Ceased WO2021106129A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2021561059A JP7316727B2 (ja) 2019-11-28 2019-11-28 水分計
CN201980100943.2A CN114556077B (zh) 2019-11-28 2019-11-28 水分计
EP19954457.8A EP4067862B1 (en) 2019-11-28 2019-11-28 Moisture meter
US17/779,503 US12535397B2 (en) 2019-11-28 2019-11-28 Moisture meter
PCT/JP2019/046495 WO2021106129A1 (ja) 2019-11-28 2019-11-28 水分計

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Application Number Priority Date Filing Date Title
PCT/JP2019/046495 WO2021106129A1 (ja) 2019-11-28 2019-11-28 水分計

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WO2021106129A1 true WO2021106129A1 (ja) 2021-06-03

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US (1) US12535397B2 (https=)
EP (1) EP4067862B1 (https=)
JP (1) JP7316727B2 (https=)
CN (1) CN114556077B (https=)
WO (1) WO2021106129A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12504357B2 (en) 2022-01-27 2025-12-23 A&D Company, Limited Moisture meter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115955737B (zh) * 2022-12-29 2026-04-17 浙江金仪盛世生物工程有限公司 防止加热膜积液的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001221440A (ja) * 2000-02-08 2001-08-17 Sharp Corp 高周波加熱装置
JP2003344255A (ja) 2002-05-30 2003-12-03 A & D Co Ltd 加熱乾燥型水分計
JP5524326B2 (ja) * 2009-04-16 2014-06-18 メトラー−トレド アクチェンゲゼルシャフト 重量測定式水分測定の測定器を試験するための方法および試料
US20160341643A1 (en) * 2014-02-06 2016-11-24 Sartorius Lab Instruments Gmbh & Co. Kg Method for functionally testing a measuring instrument
CN110274844A (zh) * 2018-03-15 2019-09-24 中冶长天国际工程有限责任公司 烧结燃料粒度组成检测系统中干燥过程的诊断方法及装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050435A (ja) * 1983-08-30 1985-03-20 Shimadzu Corp 自動水分計
DE3706609C1 (https=) * 1987-02-28 1988-04-14 Sartorius Gmbh, 3400 Goettingen, De
DE3832726C2 (de) * 1988-01-25 1997-04-30 Sartorius Gmbh Trocknungswaage mit digitaler Auswerteeinheit zur Bestimmung des Endpunktes der Trocknung
JPH01282464A (ja) * 1988-05-10 1989-11-14 Chubu Electric Power Co Inc 水分測定装置
US5983711A (en) * 1997-12-29 1999-11-16 Arizona Instrument Corporation Temperature controlled gravimetric moisture analyzer and method therefor
JP2001227790A (ja) * 2000-02-18 2001-08-24 Fujitsu General Ltd 空気調和機のセンサ故障診断装置
JP3921605B2 (ja) * 2002-04-09 2007-05-30 株式会社エー・アンド・デイ 水分計
JP2004151038A (ja) 2002-10-31 2004-05-27 Kett Electric Laboratory 加熱乾燥式赤外線水分計
US7003404B2 (en) * 2003-09-03 2006-02-21 A&D Company Limited Control method for moisture meter, control program for moisture meter, record medium recording control program for moisture meter and moisture meter
JP2006118490A (ja) * 2004-09-27 2006-05-11 Toyota Motor Corp センサの異常検出装置
EP1850111B1 (de) * 2006-04-25 2014-09-10 Mettler-Toledo AG Messgerät zur gravimetrischen Feuchtigkeitsbestimmung
PL1876431T3 (pl) 2006-07-07 2014-01-31 Mettler Toledo Ag Przyrząd pomiarowy do grawimetrycznego wyznaczania wilgotności
CN102117037B (zh) * 2010-01-05 2013-09-11 株式会社理光 加热装置及其异常判断方法,定影装置和图像形成装置
JP5531849B2 (ja) * 2010-08-06 2014-06-25 株式会社デンソー センサ制御装置
CN102466665A (zh) 2010-11-18 2012-05-23 西安扩力机电科技有限公司 干燥设备用水分测定仪
EP2574900B1 (de) * 2011-09-30 2015-07-08 Mettler-Toledo AG Messgerät zur gravimetrischen Feuchtigkeitsbestimmung
CN110196201B (zh) * 2018-02-27 2022-03-29 梅特勒-托利多(常州)精密仪器有限公司 高精度称重系统和称重方法，热重分析仪及存储介质
JP2019152572A (ja) 2018-03-05 2019-09-12 株式会社島津製作所 水分率測定装置
CN110338731B (zh) * 2019-07-31 2021-01-05 佛山市百斯特电器科技有限公司 一种加热异常的检测方法及洗碗机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001221440A (ja) * 2000-02-08 2001-08-17 Sharp Corp 高周波加熱装置
JP2003344255A (ja) 2002-05-30 2003-12-03 A & D Co Ltd 加熱乾燥型水分計
JP5524326B2 (ja) * 2009-04-16 2014-06-18 メトラー−トレド アクチェンゲゼルシャフト 重量測定式水分測定の測定器を試験するための方法および試料
US20160341643A1 (en) * 2014-02-06 2016-11-24 Sartorius Lab Instruments Gmbh & Co. Kg Method for functionally testing a measuring instrument
CN110274844A (zh) * 2018-03-15 2019-09-24 中冶长天国际工程有限责任公司 烧结燃料粒度组成检测系统中干燥过程的诊断方法及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4067862A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12504357B2 (en) 2022-01-27 2025-12-23 A&D Company, Limited Moisture meter

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US12535397B2 (en) 2026-01-27
EP4067862A4 (en) 2023-08-02
JP7316727B2 (ja) 2023-07-28
US20220412860A1 (en) 2022-12-29
EP4067862B1 (en) 2025-07-02
CN114556077A (zh) 2022-05-27
CN114556077B (zh) 2026-02-17
JPWO2021106129A1 (https=) 2021-06-03
EP4067862A1 (en) 2022-10-05

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