CN112254792A - Automatic calibrating installation of volume ware - Google Patents
Automatic calibrating installation of volume ware Download PDFInfo
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- CN112254792A CN112254792A CN202011186947.8A CN202011186947A CN112254792A CN 112254792 A CN112254792 A CN 112254792A CN 202011186947 A CN202011186947 A CN 202011186947A CN 112254792 A CN112254792 A CN 112254792A
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- 238000009434 installation Methods 0.000 title description 2
- 239000007788 liquid Substances 0.000 claims abstract description 220
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 238000012795 verification Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/0092—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for metering by volume
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses an automatic calibrator for a measuring device, which comprises: and the electronic balance is used for placing the device to be measured on the electronic balance and weighing the device to be measured. The first end of the liquid feeding pipe is arranged in the device to be measured, and the second end of the liquid feeding pipe is connected with the liquid feeding device; the liquid feeding pipe is used for guiding the liquid in the liquid feeding device into the device to be measured; the first monitoring camera is used for monitoring the position of the device to be measured and the position of the liquid feeding pipe in the device to be measured. The second monitoring camera is used for monitoring the liquid level in real time. And the industrial personal computer is used for calculating the nominal volume of the liquid in the to-be-detected gauge according to the received first reading information sent by the electronic balance before liquid is added into the to-be-detected gauge and the received second reading information sent by the electronic balance after the liquid is added into the to-be-detected gauge, and judging whether the to-be-detected gauge is qualified or not according to the nominal volume to obtain a detection result. The invention reduces the complexity of the calibrating device, improves the calibrating accuracy of the measuring device and automatically finishes the calibrating work.
Description
Technical Field
The invention relates to the field of capacity verification, in particular to an automatic calibrator for a measuring device.
Background
With the rapid development of the biomedical industry, the service volume of the common glass metering equipment still has wide development prospect. On the other hand, since many projects need to be measured in the calibration work of the measuring device, in order to complete the increasing business, the on-duty overtime of the inspector is normalized gradually, and thus the labor cost of manpower is increased. For the verification work of a common glass measuring device, the traditional manual verification must be eliminated step by step, and the future verification work must be developed towards automation and intellectualization. Based on the above situation, it is necessary to study the feasibility of the automatic verification system for glass measuring instruments.
According to research and research, aiming at the automatic liquid adding technology at present, the calibrating device adopts two liquid adding pump pipes, namely a quick liquid adding pump pipe and a slow liquid adding pump pipe, so that the complexity of the device is increased; the liquid adding pipe is positioned above the device to be measured for liquid adding, so that liquid in the device to be measured splashes onto the device wall when liquid is added, and the calibration is inaccurate; the placing position of the measured device is not automatically monitored, so that the measured device is likely to fail to be detected because the measured device is not placed at a specified position; similarly, the failure of monitoring the position of the filling tube may cause the filling tube to spill liquid during filling, resulting in a failure of the calibration.
Disclosure of Invention
The invention aims to provide an automatic calibrating device for a measuring device, which aims to reduce the complexity of the calibrating device, improve the calibrating accuracy of the measuring device and automate the calibrating work.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
an automatic calibrator for measuring devices, comprising: and the electronic balance is used for placing the to-be-measured device on the electronic balance and weighing the to-be-measured device. The first end of the liquid feeding pipe is arranged in the device to be measured, and the second end of the liquid feeding pipe is connected with a liquid feeding device; the liquid feeding pipe is used for guiding liquid in the liquid feeding device to the interior of the device to be measured. The first lifting device is positioned on one side of the electronic balance; the liquid feeding pipe is arranged on the first lifting device, and the first lifting device is used for driving the liquid feeding pipe to move in a reciprocating mode in the vertical direction, so that the first end of the liquid feeding pipe is located at a preset position. The first monitoring camera is arranged on one side of the to-be-measured device and used for monitoring the position of the to-be-measured device and the position of the liquid adding pipe in the to-be-measured device. The second monitoring camera set up in wait to examine the opposite side of gauge, and in real time with wait to examine the liquid level of the liquid in the gauge and flush, be used for real-time supervision the liquid level. The industrial personal computer is used for calculating to obtain the nominal volume of the liquid in the to-be-measured device according to the received first reading information sent by the electronic balance when the liquid is added into the to-be-measured device and the second reading information sent by the electronic balance when the liquid is added into the to-be-measured device is stopped, and judging whether the to-be-measured device is qualified or not according to the nominal volume to obtain a detection result.
Preferably, the apparatus to be measured comprises: one or any combination of a measuring cylinder, a measuring cup and a single-scale-mark volumetric flask.
Preferably, the method further comprises the following steps: and the bracket is positioned on one side of the electronic balance and used for supporting and fixing the first monitoring camera.
Preferably, the method further comprises the following steps: and the display is connected with the industrial personal computer and used for displaying the detection result output by the industrial personal computer.
Preferably, the method further comprises the following steps: and the printer is connected with the industrial personal computer and is used for printing the detection result.
Preferably, the liquid adding device comprises: and the water tank is used for storing the liquid to be added. And the temperature sensor is arranged in the water tank and used for detecting the temperature of the liquid in the water tank. And one end of the liquid adding pump is connected with the water tank, and the other end of the liquid adding pump is connected with the second end of the liquid adding pipe. And the liquid adding pump controller is respectively connected with the liquid adding pump and the industrial personal computer. The liquid adding pump controller is used for controlling the liquid adding pump to add liquid to the device to be measured through the liquid adding pipe according to liquid adding control information sent by the industrial personal computer.
Preferably, begin to when waiting to examine the interior liquid feeding of measuring apparatu, first elevating gear control the first end of liquid feeding pipe is close to wait the bottom of measuring apparatu, the liquid feeding pump with first predetermined velocity of flow to wait to examine the interior liquid feeding of measuring apparatu. First elevating gear control the first end of liquid feeding pipe is located wait below the liquid level in the gauge, continue with first predetermine the velocity of flow to wait to examine liquid feeding in the gauge, until the liquid level of waiting to examine the liquid level of the liquid in the gauge reaches wait to examine 90% ~ 95% of the target liquid level of gauge. First elevating gear control the first end of liquid feeding pipe is higher than wait the liquid level in the gauge, the liquid feeding pump with the second predetermine the velocity of flow to wait the liquid feeding in the gauge, until the liquid level of waiting the liquid in the gauge reaches wait the target liquid level of gauge. And the industrial personal computer controls the liquid adding pump to stop adding liquid.
Preferably, the first preset flow rate is greater than the second preset flow rate.
Preferably, the industrial personal computer performs subtraction on the first reading information and the second reading information to obtain liquid quality, the nominal volume is calculated according to the liquid quality, the nominal volume is compared with a volume indication value of a standard measuring instrument to obtain a comparison result, and if the comparison result is within a preset error range, the measuring instrument to be detected is qualified.
Preferably, the printer is adapted to print a qualified voucher for a qualified meter to be measured.
The invention has at least one of the following advantages:
the liquid adding pump with controllable flow speed is used, the complexity of the device is reduced, the control of the liquid adding flow speed is more convenient, and the error generated during the calibration of the measuring gauge is greatly reduced and the accuracy of the calibration of the measuring gauge is improved by placing the liquid adding pipe below the liquid level during liquid adding; the position of the glass measuring device to be detected and the position of the liquid feeding pipe are monitored by the aid of the monitoring camera, and the automation degree of the verification work is increased, so that the glass measuring device is more accurate and efficient in verification.
Drawings
Fig. 1 is a schematic structural diagram of an automatic calibrator for a measuring device according to an embodiment of the present invention.
Detailed Description
The automatic calibrating device for a measuring device according to the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
As shown in fig. 1, an automatic calibrator for measuring instruments includes: and the electronic balance 114 is used for placing the device to be measured 102 on the electronic balance 114 and weighing the device to be measured 102. A liquid adding pipe 103, wherein a first end of the liquid adding pipe 103 is arranged in the to-be-measured device 102, and a second end of the liquid adding pipe is connected with a liquid adding device; the liquid feeding pipe 103 is used for guiding the liquid in the liquid feeding device into the device to be measured 102. A first lifting device 113, wherein the first lifting device 113 is positioned at one side of the electronic balance 114; the liquid feeding pipe 103 is arranged on the first lifting device 113, and the first lifting device 113 is used for driving the liquid feeding pipe 103 to move in a reciprocating manner in the vertical direction, so that the first end of the liquid feeding pipe 103 is located at a preset position. The preset position may be that the first end is below the liquid level, but the invention is not limited thereto.
The first monitoring camera 100 is arranged on one side of the to-be-measured device 102 and used for monitoring the position of the to-be-measured device 102 and the position of the liquid feeding pipe 103 in the to-be-measured device 102.
And the second monitoring camera 104 is arranged on the other side of the to-be-measured device 102, is flush with the liquid level of the liquid in the to-be-measured device 102 in real time, and is used for monitoring the liquid level in real time.
The industrial personal computer 111 is used for calculating to obtain the nominal volume of the liquid in the to-be-measured device 102 according to the received first reading information sent by the electronic balance 114 before the liquid is added into the to-be-measured device 102 and the received second reading information sent by the electronic balance 114 after the liquid is added into the to-be-measured device 102, and judging whether the to-be-measured device 102 is qualified or not according to the nominal volume to obtain a detection result.
The apparatus to be measured 102 includes: one or any combination of a measuring cylinder, a measuring cup and a single-scale-mark volumetric flask. It is understood that the gauge 102 to be measured can be a glass gauge.
This embodiment still includes: and a holder 115 on one side of the electronic balance 114 for supporting and fixing the first monitoring camera 100.
This embodiment still includes: and the display 110 is connected with the industrial personal computer 111 and is used for displaying the detection result output by the industrial personal computer 110.
This embodiment still includes: and the printer 109 is connected with the industrial personal computer 111 and is used for printing the detection result.
The liquid feeding device includes: and a water tank 107 for storing liquid to be added. And a temperature sensor 108 disposed in the water tank 107 for detecting a temperature of the liquid in the water tank 107. The temperature sensor 108 sends the detected temperature to the industrial personal computer 111, the industrial personal computer 111 receives the temperature and judges whether the liquid temperature is in a verification condition range at the moment, if so, verification work is carried out, and if not, the liquid temperature in the water tank 107 is continuously adjusted until the liquid temperature meets the verification condition.
And a charging pump 105 having one end connected to the water tank 107 and the other end connected to a second end of the charging pipe 103. And a charging pump controller 106 respectively connected with the charging pump 105 and the industrial personal computer 111. The liquid adding pump controller 106 is used for controlling the liquid adding pump 105 to add liquid to the to-be-measured device 102 through the liquid adding pipe 103 at a preset flow speed according to liquid adding control information sent by the industrial personal computer 111.
When beginning to examine the interior liquid feeding of measuring apparatus 102, first elevating gear 113 control the first end of liquid feeding pipe 103 is close to examine the bottom of measuring apparatus 102, liquid feeding pump 105 with first predetermined velocity of flow to examine the interior liquid feeding of measuring apparatus 102. First elevating gear 113 control the first end of liquid feeding pipe 103 is located below the liquid level in waiting to examine the gauge 102, continue with first predetermined velocity of flow to the liquid feeding in waiting to examine the gauge 102, until the liquid level of the liquid in waiting to examine the gauge 102 reaches 90% -95% of waiting to examine the target liquid level of gauge 102. First elevating gear 113 control the first end of liquid feeding pipe 103 is higher than liquid level in the ware 102 of examining the check gauge, liquid feeding pump 105 with the second predetermine the velocity of flow to the liquid feeding in the ware 102 of examining the check gauge, until the liquid level of the liquid in the ware 102 of examining the check gauge reaches the target liquid level of the ware 102 of examining the check gauge. The industrial personal computer 111 controls the liquid adding pump 105 to stop adding liquid. The first preset flow rate is greater than the second preset flow rate.
And the industrial personal computer 111 performs subtraction on the first reading information and the second reading information to obtain the liquid quality, calculates the nominal volume according to the liquid quality, compares the nominal volume with the volume indication value of a standard measuring instrument to obtain a comparison result, and if the comparison result is within a preset error range, the measuring instrument to be detected is qualified.
For example: simply, give I a 10ml measuring cylinder, I add water to the 10ml graduation mark of the measuring cylinder (the real volume is not necessarily 10ml), then weigh the total weight of water and the measuring cylinder to subtract the weight of the measuring cylinder, namely the weight of the water, then calculate the real volume corresponding to the weight of the water, subtract the real volume of the water by 10ml and namely the error of the measuring cylinder, then compare whether the error is smaller than the allowable error of the 10ml measuring cylinder in the verification chapter, if so, pass, otherwise, reverse. The tolerance of the measuring instruments with different capacities is different, for example, the tolerance of the measuring instruments from 5mL to 2000mL is between +/-0.05 and +/-20 mL.
The printer is used for printing qualified certificates of qualified testers to be detected.
To sum up, when the device performs the calibration operation, the industrial personal computer 111 first reads the indication value of the temperature sensor 108, if the temperature of the liquid is within the temperature specified by the calibration conditions, the first monitoring camera 100 monitors whether the to-be-detected device 102 and the liquid feeding tube 103 are at the specified positions (for example, the liquid feeding tube is located right above the mouth of the to-be-detected device 102), if the positions are incorrect, the to-be-detected device 102 and the liquid feeding tube 103 need to be put again until the two are at the specified positions, the industrial personal computer 111 controls the electronic balance 114 to be turned on, the indication value of the electronic balance 114 at that time is read, namely, the indication value of the electronic balance 114 is cleared after the first reading information is read, then the industrial personal computer 111 controls the lifting device 113 to move the liquid feeding tube 103 into the to-be-detected device 102, the industrial personal computer 111 sends a signal to the liquid feeding pump controller 106 to control the liquid feeding pump 105 to feed at, the second lifting device 112 is controlled to move during liquid adding, so that the liquid level detection camera (the second monitoring camera 104) can be ensured to look level at the liquid level, and meanwhile, the first lifting device 113 is controlled to move so as to ensure that the bottom of the liquid adding pipe 103 is positioned below the liquid level, so that liquid splashing during liquid adding is prevented; the liquid is added to 90% -95% of the target liquid level of the to-be-detected measuring device 102 at a fast flow rate, the bottom of the liquid adding pipe 105 is controlled to be slightly higher than the liquid level (for example, 1-2cm higher than the liquid level), then the liquid adding pump 105 is controlled to add liquid at a slow flow rate (for example, the flow rate is 0.048ml/min-288ml/min) in the same way, until the liquid level monitoring camera 104 monitors that the liquid level reaches the target scale, the industrial personal computer 111 controls the liquid adding pump 105 to stop adding liquid, the industrial computer 1111 reads the current indication value of the electronic balance 114, the difference between the two indications of the electronic balance 114 is calculated to obtain the liquid quality, the nominal volume of the liquid of the quality under the current condition is calculated, and compared with the current indication value of the to-be-detected measuring device 102, so as to judge whether the measuring device 102 to be detected.
The first lifting device 113 and the second lifting device 112 are both connected with the industrial personal computer, and the industrial personal computer is used for controlling the lifting and the lifting speed of the first lifting device 113 and the second lifting device 112.
When liquid is rapidly added, the first lifting device 113 drives the liquid adding pipe 103 to move, and the bottom end of the liquid adding pipe 103 is placed under the liquid level for liquid adding.
The second lifting device 112 is used for driving the second monitoring camera 104 to follow the liquid level and detect the liquid level in real time when liquid is added, and sending the detected liquid level to the industrial personal computer 111.
The charging pump 105 can adjust the flow rate under the control of the charging pump controller 106, so as to control the charging speed.
In the embodiment, the liquid adding pump with controllable flow rate is used, so that the complexity of the calibrating device is reduced, the control of the flow rate of the liquid adding liquid is more convenient, and the liquid splashing is avoided by placing the liquid adding pipe below the liquid level during liquid adding, so that the error generated during calibrating the measuring instrument is greatly reduced, and the calibrating accuracy of the measuring instrument is improved; the position of the glass measuring device to be detected and the position of the liquid feeding pipe are monitored by the aid of the monitoring camera, and the automation degree of the verification work is increased, so that the glass measuring device is more accurate and efficient in verification.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present invention, it is to be understood that the terms "center," "height," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. An automatic calibrating device for a measuring device, comprising:
the electronic balance is used for placing the device to be measured on the electronic balance and weighing the device to be measured;
the first end of the liquid feeding pipe is arranged in the device to be measured, and the second end of the liquid feeding pipe is connected with a liquid feeding device; the liquid feeding pipe is used for guiding the liquid in the liquid feeding device into the device to be measured;
the first lifting device is positioned on one side of the electronic balance; the liquid feeding pipe is arranged on the first lifting device, and the first lifting device is used for driving the liquid feeding pipe to reciprocate in the vertical direction so as to enable the first end of the liquid feeding pipe to be at a preset position;
the first monitoring camera is arranged on one side of the to-be-measured device and is used for monitoring the position of the to-be-measured device and the position of the liquid feeding pipe in the to-be-measured device;
the second monitoring camera is arranged on the other side of the device to be measured, is flush with the liquid level of the liquid in the device to be measured in real time and is used for monitoring the liquid level in real time,
the industrial personal computer is used for calculating to obtain the nominal volume of the liquid in the to-be-measured device according to the received first reading information sent by the electronic balance when the liquid is added into the to-be-measured device and the second reading information sent by the electronic balance when the liquid is added into the to-be-measured device is stopped, and judging whether the to-be-measured device is qualified or not according to the nominal volume to obtain a detection result.
2. The automatic calibrating apparatus for a measuring instrument according to claim 1, wherein said measuring instrument to be measured comprises: one or any combination of a measuring cylinder, a measuring cup and a single-scale-mark volumetric flask.
3. The automatic gauge verification apparatus according to claim 1, further comprising: and the bracket is positioned on one side of the electronic balance and used for supporting and fixing the first monitoring camera.
4. The automatic gauge verification apparatus according to claim 1, further comprising: and the display is connected with the industrial personal computer and used for displaying the detection result output by the industrial personal computer.
5. The automatic gauge verification apparatus according to claim 1, further comprising: and the printer is connected with the industrial personal computer and is used for printing the detection result.
6. The automatic calibrator for measuring instruments according to claim 1, wherein said filling device comprises:
the water tank is used for storing liquid to be added;
the temperature sensor is arranged in the water tank and used for detecting the temperature of liquid in the water tank;
one end of the liquid adding pump is connected with the water tank, and the other end of the liquid adding pump is connected with the second end of the liquid adding pipe;
the liquid adding pump controller is respectively connected with the liquid adding pump and the industrial personal computer;
the liquid adding pump controller is used for controlling the liquid adding pump to add liquid to the device to be measured through the liquid adding pipe according to liquid adding control information sent by the industrial personal computer.
7. The automatic calibrating device for a measuring vessel according to claim 1, wherein when liquid is initially added into the measuring vessel to be measured, the first lifting device controls the first end of the liquid adding pipe to be close to the bottom of the measuring vessel to be measured, and the liquid adding pump adds liquid into the measuring vessel to be measured at a first preset flow rate;
the first lifting device controls the first end of the liquid adding pipe to be located below the liquid level in the device to be measured, liquid is continuously added into the device to be measured at the first preset flow rate until the liquid level of the liquid in the device to be measured reaches 90% -95% of the target liquid level of the device to be measured;
the first lifting device controls the first end of the liquid feeding pipe to be higher than the liquid level in the device to be measured,
the liquid adding pump is used for adding liquid into the to-be-measured device at a second preset flow rate until the liquid level of the liquid in the to-be-measured device reaches the target liquid level of the to-be-measured device;
and the industrial personal computer controls the liquid adding pump to stop adding liquid.
8. The automatic gauge verification apparatus according to claim 7, wherein the first predetermined flow rate is greater than the second predetermined flow rate.
9. The automatic calibrating apparatus for a measuring instrument according to claim 8, wherein the industrial personal computer performs a difference between the first reading information and the second reading information to obtain a liquid mass, calculates the nominal volume according to the liquid mass, compares the nominal volume with a volume indication value of a standard measuring instrument to obtain a comparison result, and if the comparison result is within a preset error range, the measuring instrument to be tested is qualified.
10. The automated gauge verification apparatus according to claim 9, wherein the printer is adapted to print a proof of acceptance of the acceptable gauge to be tested.
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| CN202011186947.8A CN112254792A (en) | 2020-10-30 | 2020-10-30 | Automatic calibrating installation of volume ware |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115014493A (en) * | 2022-06-23 | 2022-09-06 | 济南鑫光试验机制造有限公司 | Electronic balance for outdoor work |
| CN117928691A (en) * | 2024-03-12 | 2024-04-26 | 宁波奉化吉泰电气有限公司 | Full-automatic glass gauge verification equipment |
| CN118012141A (en) * | 2024-02-07 | 2024-05-10 | 广州工程技术职业学院 | Liquid automatic metering and feeding control method and device, equipment and storage medium |
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