In summer, due to the hot weather and the humid indoor environment, many instruments and equipment require additional inspection and maintenance. For those who have not been exposed to complicated instruments, it may not be possible to understand the price of many instruments and equipment on the market that exceeds 100,000 million. However, these relatively expensive, precise, and highly sensitive instruments, especially measuring instruments, are also susceptible to various environmental factors.
The hot weather of 30 degrees or more is finally going to step on the "tail" of June! I believe many people have prepared all kinds of "artifacts" to cool down the heat and prepare for the heat wave. Of course, the most lazy way is to enjoy the air-conditioner WiFi watermelon at home, and stay at home. However, no matter whether it is windy or rainy or hot and cold, many instruments and equipment must work as usual. It can be said that "the wind and rain are unimpeded."
Due to the complicated manufacturing process of instruments and equipment, there are many components used. Temperature, humidity, electromagnetic interference and other factors easily affect these components, thus introducing unstable factors. Therefore, the influence of various environmental factors on the equipment and equipment is taken into consideration in the construction plan of the equipment room or laboratory.
It is hot and rainy in summer, accompanied by lightning weather. How can we let our high-precision instruments survive this hot summer day and ensure that the operation is not affected?
Remember to cool the instrument and avoid "hot and cold"
It is well known that temperature is the primary factor among various environmental factors. Higher temperatures can adversely affect the use of most precision instruments. Even within the specified operating temperature range, components of various materials are distorted and deformed due to different expansion coefficients due to temperature changes. In particular, some measuring instruments are prone to errors in the reference, resulting in distortion of the measurement results. This change in temperature also causes the electronic component parameters of the instrument to drift, affecting the accuracy of the test and the life of the electronic components.
Note: 1 When using the equipment, the ambient temperature should be within the standard temperature range required by the instrument. It can be adjusted by installing the air conditioner. 2 The air-conditioning installation position should be too close to the equipment; 3 reduce the air-conditioner and personnel Temperature changes caused by frequent ingress and egress; 4 avoiding the temperature effect caused by direct contact with some small precision instruments.
High humidity, easy rust, timely de-wetting, delaying instrument life
Researchers in the laboratory usually pay attention to the various elements of the environment in which the instrument is located and make adjustments in a timely manner. However, many companies will pay attention to temperature control during the production process, but they will ignore the impact of humidity on the equipment.
In some areas, it is rainy and humid in summer, and indoor humidity tends to be too high. The main effect of excessive humidity on large instruments is rust. Metal parts and circuits in the equipment are rusted due to excessive humidity. In complex integrated circuits, electronic components are not only rusted, but also prone to short circuits. Most instrument failures are caused by poor contact or short circuit of the circuit. If the situation is serious and the maintenance is not repaired for a long time, the instrument will not only reduce the precision, but also shorten the life.
Note: 1 Install the dehumidifier equipment to adjust the indoor humidity in time; 2Because the summer laboratory temperature is lower than the outdoor, the personnel will bring in the high temperature saturated water vapor outside the room; the water vapor is attached to the instrument and condenses into small water drops. Cause the humidity is too high; should try to avoid frequent personnel in and out, to maintain the stability of the humidity in the laboratory; 3 high temperature weather is easy to sweat, it is best to wear gloves to avoid direct contact with the instrument.
Thunderstorm weather attention lightning protection
In the thunderstorms of summer, it is fatal to the instrument once it encounters a lightning strike. The most harmful are direct lightning and inductive lightning. Direct lightning strikes directly penetrate the electronic components of the instrument and can easily cause a fire. Inductive lightning will invade along the power line, causing the instrument to discharge, causing a short circuit or even more damage.
Note a few points: 1 In order to prevent lightning current from entering the equipment, lightning weather can consider disconnecting the instrument from the antenna, ground and power lines. 2 Use lightning arresters, isolation transformers, filters and other equipment to avoid lightning strikes.
In addition, we should also pay attention to the cleanliness of the equipment and equipment, and timely remove dust and dust. An air filter or fresh air system can be installed to update the air in the laboratory. Don't look at some high-precision instruments that are quite big, and there are still a lot of "squeaky" times. In order for the instrument to operate normally on this hot summer day, to ensure accuracy and stability, it is necessary to "think" it.
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If you can do the above, your indoor environment and equipment will be well maintained, so that your equipment will last longer. The instrument has a lot of fine parts, and careful and careful maintenance will help you get more accurate data results.
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