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Why use and maintain the high and low temperature cycle integrated machine of the reactor
Time of Update: 2022-05-01
The insufficient cooling water prevents the secondary steam from being condensed in time, which seriously affects the reactor height Low temperature cycle integrated machine operation .
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Learn how to choose the reactor refrigeration heating temperature controller
Time of Update: 2022-05-01
The air cooling of the reaction kettle refrigeration heating temperature controller is to use the airflow to generate thermal convection, thereby reducing the ambient temperature in the box and achieving the purpose of cooling .
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How to Use a Laser Dust Particle Counter to Measure Accurate Data
Time of Update: 2022-05-01
The laser dust particle counter is an instrument used to measure the number and particle size distribution of dust particles per unit volume in a clean environment, thereby providing a basis for the evaluation of air cleanliness .
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How to deal with the inaccurate displacement of the tensile testing machine?
Time of Update: 2022-05-01
2. Check the amplifier unit of the tensile testing machine In addition to the failure of the displacement sensor, check whether the amplifier unit is normal .
After repeated reset, the measured output signal of the amplifier unit changes in a linear trend to determine that the amplifier unit is normal .
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What are the precautions for the operation of the reaction kettle refrigeration and heating temperature control device
Time of Update: 2022-05-01
For debugging before laboratory operation, operators who need to know the performance of the equipment should first check whether the configuration, installation, foundation and pipeline connection of the equipment meet the requirements .
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How to operate the digital whiteness meter correctly?
Time of Update: 2022-05-01
A total of five layers of samples are measured, and the reflection factor R∞ of each layer of samples is recorded .
(2) Take the five-layer samples tested above with a blackboard as the substrate, and record the light reflection factor R0 on the surface of each layer .
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How does the programmable reactor refrigeration and heating cycle machine perform rapid heating and cooling?
Time of Update: 2022-05-01
Wuxi Guanya's reaction kettle temperature control system, the cold and hot oil switching system, can realize rapid cooling and rapid heating of the terminal load, realize rapid heating and rapid cooling, and can ensure the temperature accuracy of the medium and the load while implementing this process .
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Maintenance of water bath constant temperature oscillator
Time of Update: 2022-05-01
2. Correct use and pay attention to the maintenance of the water bath constant temperature oscillator, so that the water bath constant temperature oscillator is in good working condition, which can prolong the service life of the instrument .
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Cleaning method of oral liquid filling machine
Time of Update: 2022-05-01
3. Before each operation of the equipment, the temperature of the filling machine tank and the conveying pipeline should be lowered with water of 0-1°C.
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How to clean the preparation purified water equipment?
Time of Update: 2022-05-01
The following editor will introduce the conventional cleaning methods of the preparation purified water equipment, usually online cleaning and offline cleaning.
If the equipment is excessive, it is not recommended, unless the reverse osmosis pollution is serious or the online cleaning effect is poor .
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How to maintain the fully enclosed refrigeration and heating cycle device
Time of Update: 2022-05-01
The surface temperature of the casing of the fully enclosed refrigeration and heating cycle device exceeds the normal range, mainly because the suction temperature of the refrigeration system is too high, and the excessively high hot steam enters the compressor.
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What are the calibration methods for tensile testing machines?
Time of Update: 2022-05-01
The calibration methods of the tensile testing machine are divided into the following three types: 1.
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How many factors do you know about the factors that affect the color measurement of colorimeter?
Time of Update: 2022-05-01
2. CIE light source: The color measured by the colorimeter is also affected by what type of light is used .
Changes in any of these factors can alter the color data, creating differences between the numbers obtained by two identical samples or two different colorimeters .
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What precautions should be taken when using a residual chlorine colorimeter?
Time of Update: 2022-05-01
4. When performing zero calibration and measurement, make sure that the white triangle mark on the cuvette is aligned with the white triangle mark on the sample chamber on the colorimeter .
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Introduction to the common faults of polarimeters and how to deal with them
Time of Update: 2022-05-01
②Turn on the power switch and let the instrument warm up and stabilize before sampling .
Turn on the light source switch before measurement (the sodium lamp is lit under DC power supply at this time), and then measure the sample .
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How to solve the heat dissipation problem of explosion-proof distribution box
Time of Update: 2022-05-01
The heat generated inside the inverter is dissipated through the trough radiator of the excessive radiator heat pipe on the rear wall of the explosion-proof cavity .
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Glass reactor installation steps, precautions for use
Time of Update: 2022-05-01
The glass reactor is a new type of glass reactor based on the single-layer multifunctional glass reactor that has been improved for many years. It realizes the experimental technical requirements of
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What precautions should be taken when using a polarimeter?
Time of Update: 2022-05-01
2. Before turning on the power, check whether there are foreign objects in the sample room, whether the sodium light source switch is in the specified position, whether the indicator switch is in the off position, and whether the instrument is placed in a suitable position.
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Four points to note about multi-parameter water quality analyzers
Time of Update: 2022-05-01
In the reaction tank, since the titration reagent is added locally and not in the same place with the electrode, the stirring speed should be as fast as possible so as not to form turbulent flow, so that the end point can be reached .
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How to avoid leakage of heat transfer oil in fully enclosed liquid cycle refrigeration and heating
Time of Update: 2022-05-01
It is recommended The fully enclosed liquid circulation refrigeration and heating equipment is connected to the circulating cooling water to reduce leakage .
