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Do you know all three common temperature control methods for ultrasonic cleaners?
Time of Update: 2022-05-03
The common temperature control methods for small ultrasonic cleaning machines are mechanical temperature control, and the common ultrasonic cleaning machines for laboratory use are CNC panel heating .
2. Heating by temperature controller The split ultrasonic cleaning machine can be heated by a temperature controller according to the usage.
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How often should the HEPA filter in the clean bench be replaced?
Time of Update: 2022-05-03
The replacement of the high-efficiency filter in the ultra-clean workbench generally depends on the situation.
You can refer to two points for replacement: First, if the high-efficiency filter installed in the ultra-clean workbench has its own pressure differential gauge, you can use it.
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What are the common faults of automatic filling machines
Time of Update: 2022-05-03
Although the failure of the automatic filling machine is not a common thing, there will be some small failures in the machine, especially if the equipment has been used for a long time .
It is good that a small fault in the automatic filling machine can be solved in time.
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How does the low temperature coolant circulating pump realize cooling
Time of Update: 2022-05-03
The low temperature coolant circulation pump is very simple to use, but regular maintenance work cannot be ignored .
Generally speaking, the decrease in cooling capacity under normal use conditions is caused by poor ventilation and heat dissipation or too high ambient temperature .
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Performance characteristics of medicine refrigeration heating circulator
Time of Update: 2022-05-03
The medical refrigeration and heating circulator adopts brand components, which have a long service life and good electrical appliances.
The control method of the medical refrigeration and heating circulator adopts imported microcomputer or PLC control; 7.
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Reasons for uneven slices of medicinal material slicer
Time of Update: 2022-05-03
Reasons why the motor does not run after power-on: (1) The power supply is not in good contact or the plug is loose (2) The switch is in poor contact.
Reasons: (1) Too much material feeds the cutter head; (2) The switch is not in good contact.
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What are the fault maintenance of automatic spray filling machine
Time of Update: 2022-05-03
If you listen carefully to the source of the sound and search for the air leakage point by hand, it is generally easy to find the solenoid valve of the blow-by gas .
If the point that controls the solenoid valve is damaged, change it to a spare point .
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Features and working principle of high borosilicate glass reactor
Time of Update: 2022-05-03
The high borosilicate glass reactor is mainly controlled by adjusting the constant pressure funnel or the regulating valve on the feeding bottle to control the uniform dropwise addition of the material, and the heat exchange function of the condenser is used to distill and recover the reaction product, which is used for the synthesis, distillation and concentration of the pilot-scale materials.
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Precautions for installation and use of laboratory small refrigeration units
Time of Update: 2022-05-03
The installation of the small laboratory refrigeration unit, the circulation pump The location should be accurately positioned according to the instructions to ensure the air supply effect of the generator; 5.
Precautions for the use of small laboratory refrigeration units: 1.
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How much do you know about the maintenance of the reactor?
Time of Update: 2022-05-03
Let's follow the editor's instrument to understand what are the maintenance instructions for the reactor .
Carefully check the instrument before use, whether the glass bottle is damaged, whether the interfaces are consistent, and pay attention to handle it with care .
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Labeling machine daily maintenance specifications
Time of Update: 2022-05-03
The labeling machine is regularly maintained to make the labeling machine perform better and prolong its service life .
The labeling machine is easy to absorb dust during operation, so be sure to clean the dust on the labeling machine regularly .
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Do you know how to convert centrifugal force to rotational speed?
Time of Update: 2022-05-03
Centrifugal precipitation is a method in which components with different densities of suspension (or emulsion) are rapidly precipitated in a centrifugal force field to achieve solid-liquid or liquid-liquid separation .
If the centrifugal radius is 10 cm and the rotational speed is 8000RPM, then its centrifugal force is: G=1.
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The difference between high speed centrifuge and low speed centrifuge
Time of Update: 2022-05-03
Different rotors have different maximum speed (one imported centrifuge can be equipped with multiple rotors), the horizontal rotor can reach 15000 rpm/min, but the angle rotor can reach about 14000 rpm/min, the specific difference should be consulted in detail Product sales personnel and relevant technical personnel of the production plant, so be careful in the choice of rotation speed, and the maximum rotation speed of the selected centrifuge should be higher than the target rotation speed .
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Precautions for selection of laboratory reactor high and low temperature integrated machine
Time of Update: 2022-05-03
In this case, the exact model and price cannot be obtained, and the material, size, flow rate, working temperature requirements, temperature control accuracy and other conditions of the reactor need to be provided to the manufacturer for selection .
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Instructions for receiving and unpacking the ethylene glycol heating and cooling machine
Time of Update: 2022-05-03
The basic working principle is to stir the reaction in a closed container with a constant temperature under normal pressure or negative pressure to control the reflux and evaporation of the solution .
The liquid circulation of the whole Wuxi Guanethylene glycol cold and heat integrated machine is closed, and the system has an expansion vessel.
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Are you using the glass reactor correctly?
Time of Update: 2022-05-03
The glass reactor mainly uses its double-layer glass characteristics to carry out stirring reaction under normal pressure or negative pressure .
3. The flow of materials and the power of the motor speed may resonate at a certain point.
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What is the working principle of activated carbon filter?
Time of Update: 2022-05-03
As shown below: Activated carbon filter uses granular activated carbon to further remove residual chlorine, organic matter, and suspended impurities in the effluent of the mechanical filter, providing good conditions for subsequent reverse osmosis treatment .
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The difference between the horizontal laminar flow purification workbench and the vertical laminar flow purification workbench
Time of Update: 2022-05-03
What you need to consider is the airflow pattern (according to your experiment, which air supply form has little influence on your experiment): that is, vertical or horizontal .
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Refrigeration and heating cycle integrated machine use and operation precautions
Time of Update: 2022-05-03
1. The application of the integrated refrigeration and heating cycle machine in the pharmaceutical and chemical industry: For the temperature control of the reaction kettle in the pharmaceutical industry, the selection of the integrated refrigeration and heating cycle machine is relatively high .
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Instructions for use, maintenance and installation of oral liquid filling machine
Time of Update: 2022-05-03
It is strictly forbidden to have oil stains, liquid medicine or glass debris on the machine, so as to avoid damage to the machine.
