Is there a national standard for temperature and humidity monitoring in cold storage?

1. In life science facilities, metrology and calibration laboratories and electronic manufacturing environments, temperature and humidity often need to be monitored and alarmed 24 7 to protect products and processes. In environmental monitoring, real-time data reporting is critical to ensure that the environment is "up to specification". In life, we should always pay attention to the changes in the environment, and only by grasping the differences and changes in the environment can we better survive and develop.

2. Do a good job in temperature and humidity prevention, for example, in some breeding plants, the growth of livestock, and temperature and humidity are inseparable, they can only grow faster in a suitable environment, under the right temperature and humidity, in order to obtain greater benefits. In addition, some warehouses also need to know the specific changes in temperature and humidity in real time, what kind of items are more suitable in what environment, and so on.

3. From this point of view, it is very important to do a good job in the monitoring of temperature and humidity, and it is important to know how to do a good job in the monitoring of temperature and humidity. In order to benefit from it, life is more secure It can be seen that the core of the prevention of temperature and humidity is how to accurately obtain temperature and humidity data in real time.

As far as I know, there is no national standard.

The temperature is usually controlled at the accuracy of 2, if 5 2, that is, the storage temperature between 3 and 7 is normal.

Relative humidity control depends on what goods are placed, and the relative humidity of vegetables and fruits is controlled between 85 and 95; Seeds, medicinal herbs, dried and fresh fruits, etc., generally require a relative humidity of less than 65.

Normally, the temperature requirement for cold storage is 2-8. If you want to do cold storage temperature and humidity monitoring, you can consult Beijing Zhixiang Lingyu, they are professional in the temperature and humidity monitoring of pharmaceutical warehouses, it is said that their company is very strong, and also participated in the revision and compilation of GSP.

Generally refrigerated2 8 storage.

1. The normal temperature of the freezer is between -18 and 12, usually the temperature of the freezer is -18 -0, and the temperature of the refrigerator is 0-12.

2. The temperature of most food preservation is between 3 and 8, so the temperature range of the refrigerator is controlled between 0 and 12, below 0 the food will freeze, and above 12 the food will spoil faster.

3. Generally, the temperature of long-term frozen and fresh food must reach -18, otherwise the food can not be placed for a long time, and the food must reach 0 when frozen, so the temperature of the freezer freezer room is usually maintained above -18 to below 0.

4. However, the optimal storage temperature of different foods is inconsistent, so the temperature range of the freezer is usually between -18 and 12.

Related Notes:

Generally, the cold storage is mostly cooled by the refrigeration machine, which uses the liquid (ammonia or freon) with a very low gasification temperature as the coolant, so that it can evaporate under the conditions of low pressure and mechanical control, absorb the heat in the storage, so as to achieve the purpose of cooling and cooling.

The most commonly used is the compression refrigerator, which is mainly composed of compressor, condenser, throttle valve and evaporation pipe, etc. According to the way of evaporation pipe device, it can be divided into two types: direct cooling and indirect cooling. Direct coolingThe evaporation tube is installed in the refrigerated warehouse, and when the liquid coolant passes through the evaporation tube, it directly absorbs the heat in the warehouse and cools down.

Indirect cooling is by the blower to draw the air in the warehouse into the air cooling device, the air is hovered in the evaporation pipe in the cooling device to absorb heat, and then sent into the warehouse to cool down. The advantage of the air cooling method is that the cooling is rapid, the temperature in the warehouse is more uniform, and at the same time, the harmful gases such as carbon dioxide generated during storage can be taken out of the warehouse.

The above content reference: Encyclopedia - cold storage.

1. The standard temperature of different cold storage is different, such as fresh-keeping storage, the temperature is generally 0-5 degrees, which is mainly used for the preservation of fresh meat, dairy products, fresh eggs, fruits and vegetables; Cold storage, the temperature is generally -10 to -20 degrees, mainly used for food refrigeration; The storage temperature of the quick-freezing warehouse is generally below -30 degrees, which is mainly used for the quick-freezing of food; Low-temperature storage, the temperature is generally -22 to -25 degrees, mainly used for food storage.

2. Cold storage is a kind of refrigeration equipment. Cold storage refers to the use of artificial means to create an environment different from the outdoor temperature or humidity, and is also a constant temperature and humidity storage equipment for food, liquid, chemical, pharmaceutical, vaccine, scientific experiments and other items.

The monitoring room is usually used in industrial, medical, scientific research and other fields, it needs to strictly monitor the temperature and humidity values in the room. The national standard GB 50184-93 "Environmental Parameters of the Control Room" specifies the temperature and humidity range of the monitoring room: the temperature is between 22 and 28, and the relative humidity is between 40% and 60%.

The formulation of this standard is to ensure the quality of the working environment in the monitoring room, improve the stability and reliability of the monitoring equipment, and avoid errors or failures in the working system. The requirements for the temperature and humidity range are actually a manifestation of the sensitivity of the monitoring equipment. If the ambient temperature is too high or too low, it may lead to the misalignment or damage of some components, and the life of the equipment will also be affected if it is in this environment for a long time.

In addition, the relative humidity is too low, which is easy to generate static electricity, which interferes with signal transmission and causes distortion of monitoring signals; If the relative humidity is too high, it will lead to corrosion, mold growth and other problems of some objects. Therefore, the temperature and humidity of the monitoring room are required to be in a suitable range in order to ensure the normal operation of the monitoring system and the accuracy of the data. Extended Extension:

In actual use, in order to better control and monitor the indoor environmental parameters, an automatic control system and a search for indoor temperature and humidity are usually used to detect and adjust. These systems can monitor the ambient temperature and humidity data in real time according to the set requirements, and automatically adjust the operation of air conditioners, humidifiers and other control equipment to achieve the purpose of controlling indoor environmental parameters. In addition, multiple alarm values can also be set according to the requirements, and when the environmental parameters are out of the set range, the system will send out an alarm message to prompt the staff to deal with it to avoid data distortion and equipment failure.

Monitoring room temperature and humidity national standard requirements, grade A 22 2, grade B 15 30, grade C 10 35; The ambient humidity is: 45% 65% for grade A, 40% 70% for grade B, 30% 80% for grade C; The standards of general communication equipment rooms should meet the A-level standards.

The People's Republic of China communication industry standard communication room electrostatic protection general rules VD T754-95 also have environmental temperature and environmental humidity standards: environmental requirements in the relative humidity of 40% 65%.

Monitoring room temperature and humidity standard requirements:

1. Class A computer room.

Normal temperature and humidity range: temperature 10 25, humidity 40 70% Acceptable temperature and humidity range: temperature 10 26, humidity 40 75% 2, Class B computer room.

Normal temperature and humidity range: temperature 10 28, humidity 30 70% acceptable temperature and humidity range: temperature 5 28, humidity 30 80% 3, class C computer room.

Normal temperature and humidity range: temperature 10 30, humidity 30 75% Acceptable temperature and humidity range: temperature 5 30, humidity 20 80% 4, Class D computer room.

Normal temperature and humidity range: temperature 5 33, humidity 20% 80% can be connected to the temperature and humidity range of this fiber: temperature 0 35, humidity 15% 85% Note:

The acceptable temperature and humidity range refers to the temperature and humidity range that allows the equipment to operate under conditions lower or higher than the normal temperature and humidity range and limb circumference for a short period of time (within 4 consecutive hours).

According to the requirements of the national standard for monitoring room temperature and humidity, according to the "Technical Specifications for Building Temperature and Humidity Regulation", the temperature range of the monitoring room should be between 18 and 28, and the humidity range should be between 45% and 75%.

In order to meet the requirements of the national standard, we must first do a good job in temperature and humidity testing, regularly check temperature and humidity, find problems in time, and take measures to solve them in time. Secondly, Qingqiao should adopt reasonable control methods, such as air conditioning, humidifiers, fresh air systems, etc., to control indoor temperature and humidity and keep them within the range required by the national standard. In addition, it is also necessary to pay attention to the ventilation of indoor air to keep indoor air fresh and prevent the accumulation of indoor pollutants.

In short, in order to meet the requirements of the national standard, it is necessary to do a good temperature and humidity test, adopt reasonable control methods, and keep the indoor air fresh to ensure that the monitored room temperature and humidity are within the range required by the national standard.

The national standard GB T 50325-2001 "Code for Indoor Environmental Pollution Control of Construction Projects" stipulates the requirements for monitoring room temperature and humidity, and the main reasons are as follows:

1.Ensure the comfort of the working environment: The monitoring room usually needs to run continuously for a long time, in order to ensure the comfort of the staff, it is necessary to control the indoor temperature and humidity within the appropriate range to avoid too high or too low a situation.

2.Guarantee the normal operation of monitoring equipment: Monitoring equipment usually needs to operate under constant temperature and humidity conditions, and too high or too low temperature and humidity will affect the performance and life of the equipment, and may even lead to equipment failure.

3.Ensure the stability and accuracy of monitoring quality and dehydration: The stability and accuracy of monitoring room temperature and humidity have an important impact on the quality of monitoring. If the temperature and humidity are unstable, it may lead to an increase in the error of the monitoring data and affect the monitoring quality.

Expansion: In addition to the monitoring outdoor, some other places that require special environmental requirements, such as laboratories, hospital operating rooms, warehouses, etc., also need to strictly control the temperature and humidity. The environmental requirements of these excavation sites are not only to ensure the comfort of the staff, but more importantly, to ensure the accuracy and safety of the experiments, surgeries, storage and other processes.

The requirements of the national standard for monitoring room temperature and humidity are as follows:

1.Temperature requirements: The temperature of the monitoring room should be stable between 20 and 28.

2.Humidity requirements: The humidity of the monitoring room should be stable between 40% and 60%, and avoid being too high or too low, so as not to affect the work of the instrument and equipment.

3.Control requirements: The temperature and humidity of the monitoring room should be kept stable, and there should be no large fluctuations, otherwise it will have a negative impact on the performance and life of the equipment.

The above is the conventional monitoring room temperature and humidity Zhengzhou national standard requirements, different regions, different types of monitoring rooms may shout cautious and have further requirements, and it is necessary to judge filial piety and management according to the actual situation.

According to the provisions of the "Design Standard for Delayed Heat and Humidity Environment of Public Buildings" (GB50189-2015), the temperature of the monitoring room should be between 18 and 28, and the relative humidity should be between 40% and 60%. This is because the equipment in the monitoring room needs to maintain a stable working environment, and too high or too low temperature and humidity may affect the normal operation of the equipment.

In addition, the ventilation system of the monitoring room also needs to meet the specified requirements, and the ventilation volume should be increased by one more time on the basis of 6 times of room air per hour to maintain the freshness and circulation of the air.

In actual operation, the temperature, humidity and ventilation system of the monitoring room need to be regularly inspected and maintained to ensure the proper operation of the equipment and the comfort of the operators.

Monitoring room temperature and humidity national standard requirements:

Class A computer room: normal temperature and humidity range: temperature 10 25, humidity 40 70% acceptable temperature and humidity range:

Temperature 10 26, humidity 40 75% Class B computer room: normal temperature and humidity range: temperature 10 28, humidity 30 70% acceptable temperature and humidity tour range:

Temperature 5 28, humidity 30 80% Class C computer room: normal temperature and humidity range: temperature 10 30, humidity 30 75% acceptable temperature and humidity range:

Temperature 5 30, humidity 20 80% Class D computer room: normal temperature and humidity range or: temperature 5 33, humidity 20% 80% acceptable temperature and humidity range:

Temperature 0 35, humidity 15% 85%.

The requirements for the temperature and humidity of the environment of various computer rooms.

Class A computer room: normal temperature and humidity range: temperature 10 25, humidity 40 70% acceptable temperature and humidity range:

Temperature 10 26, Humidity 40 75% Class B Computer Room: Normal Temperature and Humidity Range: Temperature 10 Leather 28, Humidity 30 70% Acceptable Temperature and Humidity Range:

Temperature 5 28, humidity 30 80% Class C computer room: normal temperature, poor humidity range: temperature 10 30, humidity 30 75% acceptable temperature and humidity range:

Temperature 5 30, humidity 20 80% Class D computer room: normal temperature hail range, humidity range: temperature 5 33, humidity 20% 80% acceptable temperature and humidity range:

Temperature 0 35, humidity 15% 85%.