CN111679699A - Temperature control method of constant-temperature metal bath - Google Patents

Temperature control method of constant-temperature metal bath Download PDF

Info

Publication number
CN111679699A
CN111679699A CN202010540008.2A CN202010540008A CN111679699A CN 111679699 A CN111679699 A CN 111679699A CN 202010540008 A CN202010540008 A CN 202010540008A CN 111679699 A CN111679699 A CN 111679699A
Authority
CN
China
Prior art keywords
temperature
equipment
metal bath
module
constant
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.)
Pending
Application number
CN202010540008.2A
Other languages
Chinese (zh)
Inventor
徐云虎
张申娥
邵艳玲
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.)
Hangzhou Yuanlang Intelligent Technology Co ltd
Original Assignee
Hangzhou Yuanlang Intelligent Technology 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 Hangzhou Yuanlang Intelligent Technology Co ltd filed Critical Hangzhou Yuanlang Intelligent Technology Co ltd
Priority to CN202010540008.2A priority Critical patent/CN111679699A/en
Publication of CN111679699A publication Critical patent/CN111679699A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a temperature control method of a constant-temperature metal bath, which specifically comprises the following steps: step 1: the whole equipment is prepared, and step 2: switching on a power supply, preheating the module, and 3: putting the sample into equipment, regulating and controlling basic temperature, and step 4: multi-module monitoring and comparison display, step 5: and (6) triggering alarm when the error is large, wherein the step: the invention relates to the technical field of constant-temperature metal baths, in particular to temperature regulation and deviation calibration. According to the temperature control method of the constant-temperature metal bath, the constant-temperature metal bath can rapidly and effectively provide timely display of the temperature through basic monitoring and temperature display of a sample, the temperature precision inside the constant-temperature metal bath is effectively improved through control and calibration of the temperature, the overall logic of the control method is clear, the effect is obvious, and once the temperature monitoring problem inside equipment is found through detection, the constant-temperature metal bath can give an alarm immediately when the constant-temperature metal bath is in a working state.

Description

Temperature control method of constant-temperature metal bath
Technical Field
The invention relates to the technical field of constant-temperature metal baths, in particular to a temperature control method of a constant-temperature metal bath.
Background
The constant temperature metal bath is also called a dry type thermostat, replaces the traditional water bath heating mode, and can be widely applied to the storage of samples, the storage and reaction of various enzymes, the denaturation treatment of nucleic acid and protein, PCR reaction, the pre-denaturation of electrophoresis, serum coagulation and the like. The problem of pollution caused by traditional water bath heating can be avoided, the temperature control is more, and the temperature controllable range is larger. The constant temperature metal bath has the working principle that a sample and digestive juice are placed in a digestion tube and digested under the constant temperature state, so that the sample is used for various instrument analysis and chemical analysis after being completely digested, and is mainly used for digesting and measuring various surface water, domestic water, Chemical Oxygen Demand (COD), Total Phosphorus (TP), Total Nitrogen (TN), biological samples (blood, urine and hair), cosmetics and the like in industrial wastewater, and the constant temperature metal bath is a palm constant temperature metal bath which is controlled by a microcomputer and is suitable for a vehicle-mounted power supply. The volume is very small, the weight is light, the movement is convenient, and the device is suitable for various occasions.
When the thermostatic metal bath is used, the interior of the thermostatic metal bath needs to be heated in a conduction mode, but the power of a heating block arranged in the traditional thermostatic metal bath cannot be completely consistent when the traditional thermostatic metal bath is used, and because only one temperature detection module is used in the traditional thermostatic metal bath, the condition that the interior of the thermostatic metal bath is heated unevenly is easily caused, and the working precision is seriously influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a temperature control method of a constant-temperature metal bath, which solves the problems that the constant-temperature metal bath needs to be heated in a conduction mode when in use, but the power of heating blocks arranged in the traditional constant-temperature metal bath cannot be completely consistent when in use, and because only one temperature detection module is used in the traditional constant-temperature metal bath, the heating in the constant-temperature metal bath is not uniform, and the working precision is seriously influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: constant temperature metal
Of baths
The temperature control method specifically comprises the following steps:
step 1: the whole preparation work of the equipment: cleaning the whole device by adopting a soft cotton towel, and detecting each independent function of the completely cleaned equipment to ensure the normal function;
step 2: switching on a power supply, preheating a module: switching on a stable power supply of the equipment, completely starting the equipment, preheating the equipment for 15-25 minutes, and then setting a preset temperature;
and step 3: sample placement into the device, basic temperature regulation: after 5-10 minutes and after the temperature is uniform, placing the test tube into the equipment, cleaning the taper hole of the module by using cotton swabs dipped in distilled water, monitoring the temperature of the placed sample, feeding back data to the control module in time without delay, and simultaneously displaying the temperature in real time through a liquid crystal screen;
and 4, step 4: multi-module monitoring and contrast display: the temperature monitoring modules at different positions monitor the temperature of the sample and display the temperature in real time, the actually measured temperature is transmitted to the control module, and the actually measured data is subjected to error comprehensive processing and then pushed to a screen for display;
and 5: the alarm is triggered when the error is large: if the difference of the comprehensive temperature after error processing is larger than 0.4-0.6 ℃, an alarm is triggered, and the equipment is immediately suspended;
step 6: temperature regulation and deviation calibration: starting the multi-module real-time monitoring again, comparing the multi-module real-time monitoring with the initial monitoring value, comparing all temperature data when the error is less than 0.1-0.3 ℃, performing deviation calibration on the real-time temperature data and historical data through the control module, displaying the obtained temperature data, and simultaneously controlling the heating module so that the interior of the equipment can reach the display temperature quickly;
and 7: and (5) finishing the work: after the equipment work is finished, the test tube in the equipment is taken out, and the equipment is restored.
Preferably, in step 1, the cotton towel must be cleaned with purified water, and the equipment is wiped dry after cleaning.
Preferably, in step 2, when the power supply is switched on, the equipment is ensured to be grounded, and the quality of the power supply must be equal to or higher than the quality of the mains supply.
Preferably, in step 3, the cotton swab must be sterilized medical cotton swab.
Preferably, in the step 3, the distilled water can be replaced by pure water.
Preferably, in the step 3, after the cotton swab washes the taper hole, the cotton swab must be dried by using a dry cotton swab.
Preferably, in the step 5, the alarm is given intermittently by the honey device at high frequency.
Preferably, in the step 5, the battery of the alarm module is a self-contained battery.
(III) advantageous effects
The invention provides a temperature control method of a constant-temperature metal bath. Compared with the prior art, the method has the following beneficial effects:
(1) the temperature control method of the constant temperature metal bath comprises the following steps of 3: sample placement into the device, basic temperature regulation: after 5-10 minutes, after the temperature is even, put into equipment with the test tube inside, must be stained with the taper hole that distilled water washd the module with the cotton swab, monitor the temperature of putting into the sample to in time with the feedback to the control module of data non-delay, the temperature is shown immediately through LCD screen simultaneously, step 6: temperature regulation and deviation calibration: and (3) restarting the multi-module real-time monitoring, comparing the multi-module real-time monitoring with an initial monitoring value, comparing all temperature data when the error is less than 0.1-0.3 ℃, performing deviation calibration on the real-time temperature data and historical data through the control module, displaying the obtained temperature data, and simultaneously controlling the heating module so that the inside of the equipment can rapidly reach the display temperature, so that the constant-temperature metal bath can rapidly and effectively provide timely display of the temperature through basic monitoring and temperature display of a sample through the combined setting of the step (3) and the step (6), and the temperature precision in the constant-temperature metal bath is effectively improved through temperature control and calibration, and the whole logic of the control method is clear and the effect is obvious.
(2) The temperature control method of the constant temperature metal bath comprises the following steps of (4): multi-module monitoring and contrast display: the temperature monitoring modules at different positions monitor the temperature of the sample and display the temperature in real time, the actually measured temperature is transmitted to the control module, and the actually measured data is subjected to error comprehensive processing and then pushed to a screen for display; and 5: the alarm is triggered when the error is large: if the difference of the comprehensive temperatures after error processing is larger than 0.4-0.6 ℃, an alarm is triggered, the equipment is immediately suspended, and the combined setting of the step 4 and the step 5 enables the constant-temperature metal bath to alarm immediately when in a working state, once the temperature monitoring problem in the equipment is detected, the temperature monitoring problem is found, the immediate processing of workers is facilitated, the long-time temperature control failure caused by equipment failure is effectively avoided, and the monitoring reliability is improved.
(3) The temperature control method of the constant temperature metal bath comprises the following steps of 1: the whole preparation work of the equipment: cleaning the whole device by adopting a soft cotton towel, and detecting each independent function of the completely cleaned equipment to ensure the normal function; step 2: switching on a power supply, preheating a module: switching on a stable power supply of the equipment, completely starting the equipment, preheating the equipment for 15-25 minutes, then setting a preset temperature, and step 7: and (5) finishing the work: after equipment work, take out the test tube in the equipment to restore equipment, through the joint setting of step 1, step 2 and step 7, make constant temperature metal bath can keep safe and stable's state when normal work, and can in time close equipment through when work is ended, the effectual fault operation who has avoided the staff.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the attached tables in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to table 1, the embodiment of the present invention provides three technical solutions: a temperature control method of a constant temperature metal bath specifically comprises the following embodiments:
example 1
Step 1: the whole preparation work of the equipment: cleaning the whole device by adopting a soft cotton towel, and detecting each independent function of the completely cleaned equipment to ensure the normal function;
step 2: switching on a power supply, preheating a module: switching on a stable power supply of the equipment, completely starting the equipment, preheating the equipment for 15 minutes, and then setting a preset temperature;
and step 3: sample placement into the device, basic temperature regulation: after 5 minutes, after the temperature is uniform, placing the test tube into the equipment, cleaning the taper hole of the module by using cotton swabs dipped in distilled water, monitoring the temperature of the placed sample, feeding back data to the control module in time without delay, and simultaneously displaying the temperature in real time through a liquid crystal screen;
and 4, step 4: multi-module monitoring and contrast display: the temperature monitoring modules at different positions monitor the temperature of the sample and display the temperature in real time, the actually measured temperature is transmitted to the control module, and the actually measured data is subjected to error comprehensive processing and then pushed to a screen for display;
and 5: the alarm is triggered when the error is large: if the difference of the comprehensive temperature after error processing is greater than 0.4 ℃, an alarm is triggered, and the equipment is immediately suspended;
step 6: temperature regulation and deviation calibration: starting the multi-module real-time monitoring again, comparing the multi-module real-time monitoring with an initial monitoring value, comparing all temperature data when the error is less than 0.1 ℃, performing deviation calibration on the real-time temperature data and historical data through the control module, displaying the obtained temperature data, and controlling the heating module so that the interior of the equipment can reach the display temperature quickly;
and 7: and (5) finishing the work: after the equipment work is finished, the test tube in the equipment is taken out, and the equipment is restored.
Example 2
Step 1: the whole preparation work of the equipment: cleaning the whole device by adopting a soft cotton towel, and detecting each independent function of the completely cleaned equipment to ensure the normal function;
step 2: switching on a power supply, preheating a module: switching on a stable power supply of the equipment, completely starting the equipment, preheating the equipment for 20 minutes, and then setting a preset temperature;
and step 3: sample placement into the device, basic temperature regulation: after 8 minutes, after the temperature is uniform, placing the test tube into the equipment, cleaning the taper hole of the module by using cotton swabs dipped in distilled water, monitoring the temperature of the placed sample, feeding back data to the control module in time without delay, and simultaneously displaying the temperature in real time through a liquid crystal screen;
and 4, step 4: multi-module monitoring and contrast display: the temperature monitoring modules at different positions monitor the temperature of the sample and display the temperature in real time, the actually measured temperature is transmitted to the control module, and the actually measured data is subjected to error comprehensive processing and then pushed to a screen for display;
and 5: the alarm is triggered when the error is large: if the difference of the comprehensive temperature after error processing is greater than 0.5 ℃, an alarm is triggered, and the equipment is immediately suspended;
step 6: temperature regulation and deviation calibration: starting the multi-module real-time monitoring again, comparing the multi-module real-time monitoring with an initial monitoring value, comparing all temperature data when the error is less than 0.2 ℃, performing deviation calibration on the real-time temperature data and historical data through the control module, displaying the obtained temperature data, and controlling the heating module so that the interior of the equipment can reach the display temperature quickly;
and 7: and (5) finishing the work: after the equipment work is finished, the test tube in the equipment is taken out, and the equipment is restored.
Example 3
Step 1: the whole preparation work of the equipment: cleaning the whole device by adopting a soft cotton towel, and detecting each independent function of the completely cleaned equipment to ensure the normal function;
step 2: switching on a power supply, preheating a module: switching on a stable power supply of the equipment, completely starting the equipment, preheating the equipment for 25 minutes, and then setting a preset temperature;
and step 3: sample placement into the device, basic temperature regulation: after 10 minutes, after the temperature is uniform, the test tube is placed in the equipment, a cotton swab is used for dipping in distilled water to clean a taper hole of the module, the temperature of the placed sample is monitored, data are fed back to the control module in time without delay, and meanwhile, the temperature is displayed in real time through a liquid crystal screen;
and 4, step 4: multi-module monitoring and contrast display: the temperature monitoring modules at different positions monitor the temperature of the sample and display the temperature in real time, the actually measured temperature is transmitted to the control module, and the actually measured data is subjected to error comprehensive processing and then pushed to a screen for display;
and 5: the alarm is triggered when the error is large: if the difference of the comprehensive temperature after error processing is greater than 0.6 ℃, an alarm is triggered, and the equipment is immediately suspended;
step 6: temperature regulation and deviation calibration: starting the multi-module real-time monitoring again, comparing the multi-module real-time monitoring with an initial monitoring value, comparing all temperature data when the error is less than 0.3 ℃, performing deviation calibration on the real-time temperature data and historical data through the control module, displaying the obtained temperature data, and controlling the heating module so that the interior of the equipment can reach the display temperature quickly;
and 7: and (5) finishing the work: after the equipment work is finished, the test tube in the equipment is taken out, and the equipment is restored.
The conical hole of the module is cleaned by using cotton swabs to be stained with distilled water so as to ensure that the test tube is in full contact with the wall of the conical hole, the constant-temperature metal bath can quickly and effectively provide timely display of temperature through basic monitoring and temperature display of a sample through the combined arrangement of the step 3 and the step 6, the temperature precision inside the constant-temperature metal bath is effectively improved through control and calibration of the temperature, the integral logic of the control method is clear, the effect is obvious, once the temperature monitoring problem inside the equipment is detected when the constant-temperature metal bath is in a working state through the combined arrangement of the step 4 and the step 5, the alarm can be given immediately, the immediate processing of workers is facilitated, the long-time temperature control failure caused by equipment failure is effectively avoided, the monitoring reliability is improved, and through the combined arrangement of the step 1, the step 2 and the step 7, make constant temperature metal bath can keep safe and stable state when normal work to can in time close equipment through when the work is finished, effectual staff's misoperation operation has been avoided.
And those not described in detail in this specification are well within the skill of those in the art.
Comparative experiment
According to claim 1, the existing manufacturer can obtain three different enzyme storage temperatures, and carry out a control precision and operation time comparison experiment on the three enzyme storage temperatures and the enzymes controlled by a common method, as shown in table 1, through laboratory tests, the lowest control precision is 0.13 ℃, the control precision of a comparative example is 0.2 ℃, the control precision of the example is improved by 0.07 ℃ compared with the control precision of the comparative example, the operation time of the example is 53min, the operation time of the comparative example is 63min, and the operation time of the example is shortened by 10min compared with the comparative example.
Table 1: control precision and operation time are compared with comparative example table
Figure BDA0002537332540000081
Figure BDA0002537332540000091
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A method for controlling the temperature of a constant-temperature metal bath, characterized in that: the method specifically comprises the following steps:
step 1: the whole preparation work of the equipment: cleaning the whole device by adopting a soft cotton towel, and detecting each independent function of the completely cleaned equipment to ensure the normal function;
step 2: switching on a power supply, preheating a module: switching on a stable power supply of the equipment, completely starting the equipment, preheating the equipment for 15-25 minutes, and then setting a preset temperature;
and step 3: sample placement into the device, basic temperature regulation: after 5-10 minutes and after the temperature is uniform, placing the test tube into the equipment, cleaning the taper hole of the module by using cotton swabs dipped in distilled water, monitoring the temperature of the placed sample, feeding back data to the control module in time without delay, and simultaneously displaying the temperature in real time through a liquid crystal screen;
and 4, step 4: multi-module monitoring and contrast display: the temperature monitoring modules at different positions monitor the temperature of the sample and display the temperature in real time, the actually measured temperature is transmitted to the control module, and the actually measured data is subjected to error comprehensive processing and then pushed to a screen for display;
and 5: the alarm is triggered when the error is large: if the difference of the comprehensive temperature after error processing is larger than 0.4-0.6 ℃, an alarm is triggered, and the equipment is immediately suspended;
step 6: temperature regulation and deviation calibration: starting the multi-module real-time monitoring again, comparing the multi-module real-time monitoring with the initial monitoring value, comparing all temperature data when the error is less than 0.1-0.3 ℃, performing deviation calibration on the real-time temperature data and historical data through the control module, displaying the obtained temperature data, and simultaneously controlling the heating module so that the interior of the equipment can reach the display temperature quickly;
and 7: and (5) finishing the work: after the equipment work is finished, the test tube in the equipment is taken out, and the equipment is restored.
2. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: in the step 1, the cotton towel must be cleaned with purified water, and the equipment is wiped dry after cleaning.
3. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: in step 2, when the power supply is switched on, the equipment is ensured to be grounded, and the quality of the power supply must be equal to or higher than the quality of the commercial power.
4. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: in step 3, sterilized medical cotton swabs are used as the cotton swabs.
5. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: in the step 3, the distilled water can be replaced by pure water.
6. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: in the step 3, after the cotton swab is used for cleaning the taper hole, the cotton swab needs to be dried by using a dry cotton swab.
7. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: and in the step 5, intermittently giving an alarm at high frequency through the honey device.
8. A method for controlling the temperature of a thermostatic metal bath according to claim 1, characterized in that: in the step 5, the battery of the alarm module is a self-contained battery.
CN202010540008.2A 2020-06-12 2020-06-12 Temperature control method of constant-temperature metal bath Pending CN111679699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010540008.2A CN111679699A (en) 2020-06-12 2020-06-12 Temperature control method of constant-temperature metal bath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010540008.2A CN111679699A (en) 2020-06-12 2020-06-12 Temperature control method of constant-temperature metal bath

Publications (1)

Publication Number Publication Date
CN111679699A true CN111679699A (en) 2020-09-18

Family

ID=72435788

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010540008.2A Pending CN111679699A (en) 2020-06-12 2020-06-12 Temperature control method of constant-temperature metal bath

Country Status (1)

Country Link
CN (1) CN111679699A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849811A (en) * 2022-05-20 2022-08-05 郑州科达机械仪器设备有限公司 Metal bath
CN116448261A (en) * 2023-03-24 2023-07-18 连云港市计量检定测试中心 Intelligent temperature control system and detection method for constant-temperature metal bath

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759843A (en) * 2014-01-23 2014-04-30 常州北大众志网络计算机有限公司 Temperature accurate acquisition method for cold chain temperature recorder
CN106092376A (en) * 2016-08-25 2016-11-09 杨志强 A kind of wireless temperature measurement correcting unit and method
KR20170114364A (en) * 2016-04-04 2017-10-16 (주)화인 Heat jacket module for temperature control and the method for operation thereof
CN107861538A (en) * 2016-09-22 2018-03-30 深圳大学 A kind of temprature control method of constant-temperature metal bath

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759843A (en) * 2014-01-23 2014-04-30 常州北大众志网络计算机有限公司 Temperature accurate acquisition method for cold chain temperature recorder
KR20170114364A (en) * 2016-04-04 2017-10-16 (주)화인 Heat jacket module for temperature control and the method for operation thereof
CN106092376A (en) * 2016-08-25 2016-11-09 杨志强 A kind of wireless temperature measurement correcting unit and method
CN107861538A (en) * 2016-09-22 2018-03-30 深圳大学 A kind of temprature control method of constant-temperature metal bath

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
恒温金属浴: "《干式恒温金属浴的原理与使用方法》", 《HTTP://WZJIEZHONG.COM/POST/354.HTML》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849811A (en) * 2022-05-20 2022-08-05 郑州科达机械仪器设备有限公司 Metal bath
CN114849811B (en) * 2022-05-20 2023-07-25 郑州科达机械仪器设备有限公司 Metal bath
CN116448261A (en) * 2023-03-24 2023-07-18 连云港市计量检定测试中心 Intelligent temperature control system and detection method for constant-temperature metal bath
CN116448261B (en) * 2023-03-24 2023-09-22 连云港市计量检定测试中心 Intelligent temperature control system and detection method for constant-temperature metal bath

Similar Documents

Publication Publication Date Title
CN111679699A (en) Temperature control method of constant-temperature metal bath
JP2003521710A (en) An electrochemical sensor for specific detection of peracetic acid in aqueous solution using pulse amperometry
JP3869687B2 (en) Microbial activity measuring apparatus and microbial activity measuring method
RU2470300C2 (en) Portable device to measure and control analytes in biological liquids
JP3620013B2 (en) Method and apparatus for staining blood smear
CN208076061U (en) Clinical thermometer testing stand
CN209673712U (en) BOD Quick testing instrument
CN109709197A (en) BOD Quick testing instrument and accurately compensate measuring method
CN209155892U (en) A kind of constant water bath box with heat insulation function
JP7355853B2 (en) Method for evaluating cell differentiation status and cell culture system
CN114608932A (en) Automatic thawing system for cryopreservation of biological samples
CN209835858U (en) Water quality monitoring constant-pressure sterilization full-automatic water purification device adaptive to plateau
CN105176790B (en) Microarray hybridization elution instrument
CN107219163A (en) It is a kind of to measure the apparatus and method that speed is thinned in glass chemistry
CN106178964A (en) A kind of NF membrane cleans device
CN213941611U (en) Intelligence clinical thermometer degassing unit
CN221124247U (en) Heating temperature control timing device for inter-crystal corrosion test
KR101118030B1 (en) Spring water monitoring system
CN210785526U (en) Intelligent electric heating sterilization automatic maintenance device
CN114023670B (en) Wafer cleaning liquid heating device and method
CN215894459U (en) Online detection device for water inlet toxicity of sewage treatment plant
CN209464347U (en) A kind of Medical appliance decontaminating apparatus for endocrine nursing
JPS63182568A (en) Device for controlling temperature of reaction vessel of automatic analysis instrument
CN219518917U (en) Liquid ammonia rapid evaporation analyzer
DD257124A1 (en) METHOD AND DEVICE FOR THE AUTOMATIC DETERMINATION OF THE BIOCHEMICAL OXYGEN NEED FOR WATER

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200918