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Application of Temperature and Humidity Sensors in Laboratory Environment Control

by:Rika Sensors     2021-09-06
Application of Temperature and Humidity Sensors in Laboratory Environment Control
The laboratory is an important place for testing and calibration experiments. Whether it is a physical laboratory or a chemical laboratory, environmental conditions have an extremely important influence on the experiment. The measurement and verification of precision instruments in physics laboratories, such as calibration standard weights, precision pressure gauges, etc., have extremely demanding requirements on laboratory environmental conditions. The storage of reagents and instruments in chemical laboratories and the conduct of various chemical experiments are also affected by temperature and humidity to varying degrees. Therefore, after the laboratory is put into use, it is very necessary to monitor the environmental temperature and humidity in real time.

Laboratory temperature and humidity control requirements

The element considered in the control of environmental conditions, temperature and humidity is to ensure that the environmental temperature and humidity of the experimental operation can meet the needs of each process of the experimental procedure. Below we will start from several aspects such as the requirements for environmental temperature and humidity in various tasks, the selection of temperature and humidity sensors, and how to develop monitoring programs based on equipment.

Identify the requirements for environmental temperature and humidity in various tasks

The laboratory environment is mainly based on the requirements of various standards, the needs of identification equipment, the requirements of samples, the needs of reagents, the needs of experimental procedures, and the safety of Requirements, and consideration of the humanized needs of laboratory staff (the human body generally feels comfortable at a temperature of 18~25℃ and a relative humidity of 35~80%, and there is a certain causal relationship between the dry environment and the inflammation of the throat from a medical point of view ) Comprehensive consideration of several factors, to determine the temperature and humidity requirements of each laboratory.

The choice of laboratory temperature and humidity sensor

Considering the nature of laboratory work, we usually choose to use WIFI temperature and humidity sensor.

The WIFI temperature and humidity sensor developed and produced in the laboratory can also be called WIFI temperature and humidity transmission recorder. This device adopts WIFI wireless data transmission mode, which can transfer the collected data through WIFI Way to upload to the server. Make full use of the established WIFI communication network to realize data collection and transmission, and achieve the purpose of centralized monitoring. Can greatly reduce the amount of construction, improve construction efficiency and maintenance costs. At the same time, the device has powerful functions and convenience, small and simple, and it can be widely used in various laboratory environments.

WIFI temperature and humidity sensor data transmission

The WIFI temperature and humidity sensor can upload up to 4 channels of temperature and humidity data collected to the server via WIFI. The equipment adopts imported high-precision sensors and the default cable length is 8 meters. This series of products make full use of the established WIFI communication network to realize data collection and transmission, and achieve the purpose of centralized monitoring of temperature and humidity data. Can greatly reduce the amount of construction, improve construction efficiency and maintenance costs.

When the temperature and humidity sensor is connected to the WIFI network in the venue, real-time data can be uploaded to the WeChat device platform through the on-site network. When the network is disconnected, the device will automatically cache the data, and the network will automatically resume the data transmission. The device is also equipped with configuration software, which can be directly connected to computer software via USB, and download parameters in batches, which is convenient and quick.

At the same time, there are four temperature and humidity probes on the WIFI multi-probe temperature and humidity transmitter recorder, which can set different upper and lower limits of temperature and humidity, and a built-in buzzer. When the laboratory temperature and humidity are lower than or When the threshold is exceeded, the alarm light will be on and the buzzer will alarm to remind the laboratory environmental management personnel to adjust the indoor environment in time.

Precautions for the installation position of temperature and humidity sensors

The position of the temperature and humidity sensor or the sensor probe of the temperature and humidity monitoring system should follow the following principles:

Try to avoid installing the probe at the entrance and Windows, direct sunlight, various air outlets, frequent and close passing of personnel, etc.; reagent room temperature warehouse, reagent or specimen cold storage generally need to install two temperature and humidity probes, one in front and one back; larger laboratories should be based on the area Place multiple probes on average; strictly partitioned and layered laboratories, refrigerators, and incubators should be placed in partitions and layers; probes should be placed near expensive and large-scale equipment that require high temperature and humidity.

Therefore, laboratories that are very sensitive to temperature and humidity need to use professional sensors to strictly control deviations, especially for accurate humidity monitoring. There are two types of sensors, one is a temperature sensor, which is relatively accurate; the other is a humidity sensor, which is inaccurate under certain conditions, and the humidity of the air must be monitored regularly to ensure accuracy. At the same time, pay attention to the uniformity of the entire temperature and humidity control area when constructing the laboratory.



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