Standard operating requirements for constant temperature and humidity testing machine instruments

Operation requirements of constant temperature and humidity test chamber:

1. The purpose of the request is to make the instrument operate normally and ensure the reliability of the results.

2. Requirement scope of laboratory

3. Responsible laboratory technicians should strictly abide by the operation regulations, and the QC supervisor is responsible for supervising the implementation of this regulation.

4. Safety precautions The instrument requires an external water pipe, and care should be taken to prevent water leakage during use.

5. Regulations

5.1. In order to extend the instruction of the instrument and achieve good control effect, the inlet water of the constant temperature and humidity meter must meet the following conditions:
· During the operation of the instrument, the water supply cannot be interrupted.
· The water supply pressure must be between 1 and 10 bar.
· The conductivity of the water supply must be between 200μs / cm and 500μs / cm.
· The water supply temperature should be lower than 40 ℃.

5.2. Temperature control
5.2.1 Turn on the temperature control switch, press [ENTER] to the temperature control state.
5.2.2 Press [Pgm] key, use [s] [t] key to set the temperature, press [ENTER] to confirm.
5.2.3 Press [EXIT] to return to the main menu.

5.3. Humidity control
5.3.1 Turn on the humidity control switch and press [ENTER] to the humidity control state.
5.3.2 Press the [Pgm] key, use the [s] [t] keys to set the humidity, and press [ENTER] to confirm.
5.3.3 Press [EXIT] to return to the main menu.

5.4. When conducting accelerated experiments, you should first carefully read the product quality standards, select the temperature and humidity conditions for the accelerated experiments, and then set the required temperature and humidity values ​​according to the methods of 5.2 and 5.3.

5.5. During the accelerated experiment, the temperature and humidity of the constant temperature and humidity meter should be recorded every day. If any abnormal conditions are found, report to the laboratory supervisor for maintenance in time.

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