With the development of science and technology, the degree of modernization has increased, and the requirements for experimental instruments and equipment have become higher and higher. How to maintain and maintain all kinds of instruments is normal. Good operation has become an important task in experimental management. If the various experimental instruments are not well maintained, the impact on the experiment is conceivable.
Therefore, to ensure the stability of the total power supply voltage of the instrument, we know that various electronic instruments have several performance indicators at the factory. These performance indicators are closely related to the stability of the power supply voltage. In general, various instrument performance indicators play a good level of power supply voltage is 220V / 50Hz. If the actual supply voltage is too high (here, beyond its specified rated voltage range), the instrument may burn out the components. If the voltage is unstable, the measurement results will drift, the accuracy will be poor, the repeatability will be poor, and some instruments will not work properly.
The maintenance and maintenance of the instrument, once the instrument absorbs dust and dirt, not only affects the performance of the instrument, shortens the service life, directly affects the experimental results, and affects the aesthetics and the physical and mental health of the experimenter. Therefore, dust removal and cleaning are the highlights of instrument maintenance.
First of all, the laboratory requirements for precision instruments in the laboratory have certain requirements on the environment. If these conditions are not met, not only the use of instruments and equipment is not good, but also the detection performance of the equipment may be changed. The final test data of zui even causes damage and shortens the service life of the instrument. Secondly, the environmental requirements of laboratory precision instruments and equipment mainly include: humidity, temperature, dust prevention, anti-vibration, anti-electromagnetic interference, avoiding strong light, Avoid direct airflow to the instrument and more. The humidity of the air is not noticeable. Because of the lack of understanding of this aspect and the lack of necessary protective measures, the damage caused by moisture, mold and metal oxidation occurs at any time in a quiet manner, causing losses. According to relevant statistics, the annual losses due to moist mold and oxidative corrosion are about 3-4% of the world's total output value. In the humid environment, moisture damage to industrial products and other items mainly produce and mildew deliquescence, metal products, non-metallic products, rust and other corrosion <br> <br> experimental equipment maintenance and repair 1, regular electronic When the instrument is checked for power, if there is a phenomenon such as fire, smoke, explosion or odor, it should be shut down immediately and reported to the competent personnel to prevent damage to the instrument due to short circuit and prolong the service life of the instrument.
2. The equipment and equipment management personnel must be familiar with the performance and operating procedures of the equipment and equipment inspected, improve the technical files of large equipment, and keep the technical information and instruction manual of the general equipment properly.
3. Before using the electronic instrument, you must read the instruction manual, check the protection device according to the requirements, control the ambient temperature, humidity, continuous working time, power supply voltage, etc., pay attention to moisture, dust and corrosion.
4, to ensure the integrity of the equipment and accessories, and carefully carry out the past records of the instrument, so that the accounts, cards, and objects match.
5, regular maintenance of the instrument, timely troubleshooting of the instrument, make a good maintenance record, large equipment cleaning and maintenance 2-4 times per semester. 6. Damaged equipment should be overhauled by equipment center professionals. Unrelated personnel are not allowed to disassemble or replace parts or components of the instrument at will.
Therefore, to ensure the stability of the total power supply voltage of the instrument, we know that various electronic instruments have several performance indicators at the factory. These performance indicators are closely related to the stability of the power supply voltage. In general, various instrument performance indicators play a good level of power supply voltage is 220V / 50Hz. If the actual supply voltage is too high (here, beyond its specified rated voltage range), the instrument may burn out the components. If the voltage is unstable, the measurement results will drift, the accuracy will be poor, the repeatability will be poor, and some instruments will not work properly.
The maintenance and maintenance of the instrument, once the instrument absorbs dust and dirt, not only affects the performance of the instrument, shortens the service life, directly affects the experimental results, and affects the aesthetics and the physical and mental health of the experimenter. Therefore, dust removal and cleaning are the highlights of instrument maintenance.
First of all, the laboratory requirements for precision instruments in the laboratory have certain requirements on the environment. If these conditions are not met, not only the use of instruments and equipment is not good, but also the detection performance of the equipment may be changed. The final test data of zui even causes damage and shortens the service life of the instrument. Secondly, the environmental requirements of laboratory precision instruments and equipment mainly include: humidity, temperature, dust prevention, anti-vibration, anti-electromagnetic interference, avoiding strong light, Avoid direct airflow to the instrument and more. The humidity of the air is not noticeable. Because of the lack of understanding of this aspect and the lack of necessary protective measures, the damage caused by moisture, mold and metal oxidation occurs at any time in a quiet manner, causing losses. According to relevant statistics, the annual losses due to moist mold and oxidative corrosion are about 3-4% of the world's total output value. In the humid environment, moisture damage to industrial products and other items mainly produce and mildew deliquescence, metal products, non-metallic products, rust and other corrosion <br> <br> experimental equipment maintenance and repair 1, regular electronic When the instrument is checked for power, if there is a phenomenon such as fire, smoke, explosion or odor, it should be shut down immediately and reported to the competent personnel to prevent damage to the instrument due to short circuit and prolong the service life of the instrument.
2. The equipment and equipment management personnel must be familiar with the performance and operating procedures of the equipment and equipment inspected, improve the technical files of large equipment, and keep the technical information and instruction manual of the general equipment properly.
3. Before using the electronic instrument, you must read the instruction manual, check the protection device according to the requirements, control the ambient temperature, humidity, continuous working time, power supply voltage, etc., pay attention to moisture, dust and corrosion.
4, to ensure the integrity of the equipment and accessories, and carefully carry out the past records of the instrument, so that the accounts, cards, and objects match.
5, regular maintenance of the instrument, timely troubleshooting of the instrument, make a good maintenance record, large equipment cleaning and maintenance 2-4 times per semester. 6. Damaged equipment should be overhauled by equipment center professionals. Unrelated personnel are not allowed to disassemble or replace parts or components of the instrument at will.
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