Important seven points in the maintenance of artificial climate chamber

The artificial climate chamber and the seed germination box are instruments that can regulate the temperature, humidity and light intensity in the plant growth environment. The purpose of this instrument is to provide plants with an environment suitable for their growth. Plant germination, seedling, tissue culture, microbial culture, feeding of insects, small animals, BOD determination of water body analysis, and artificial climate tests for other uses. It is an ideal test equipment for the production and scientific research departments of biological genetic engineering, medicine, agriculture, forestry, environmental science, animal husbandry, and aquatic products.

In order to work better, the artificial climate chamber maintains a good condition for a long time, how to carry out maintenance:

1. Place the equipment in a well ventilated area.

2. The ambient temperature of the installation site cannot be changed drastically.

3. Leave enough space between the device and adjacent walls or other equipment.

4, should not be installed in places with a lot of dust.

5. Prohibit the chemical from contacting the equipment and keep away from combustibles and explosives.

6. The wastewater discharge system of the equipment must be installed in place.

7. When the equipment is in non-working conditions, it should be kept dry, drain the water after running, and dry the studio and the cabinet.

8. After each test, the sample should be taken out and the equipment liner cleaned up.

9. If it is not used for a long time, it should be covered with a plastic cover to keep the appearance of the box clean; avoid dust from intruding into the box.

When the artificial climate chamber fails, you can slowly view and maintain the instrument in the following seven ways:

1. One rule: When the system fails, you can tentatively change some states and change one parameter at a time. Do some simple changes and maybe solve the problem.

2. The second comparison rule: the fault has been identified before the hands-on maintenance, or the solution to the fault has been determined. In other words, the solution has been found before the hands-on.

3. Replacement rules: replacing a suspicious part with a good one is a good way to find faulty. If you suspect that the detector is causing noise, switch to a good performance detector. If the fault is eliminated, there is a problem with the replaced detector. The scale of this rule application is large and small, from changing the entire part to replacing the integrated blocks on the printed circuit board.

4. Exchange rules: This rule is used together with the replacement rule. After the good parts have replaced the suspicious parts, the situation has not been improved and the original parts should be replaced. The maintenance cost of this is small, and it prevents the used parts from being accumulated. This rule only applies to a single fault. The principle of exchange back does not apply to the following situations:

(1) The new part is damaged when removed (eg pump seal washer);

(2) The price of the parts is low (such as the column lining filter);

(3) The risk of damage if the original parts are reinstalled;

(4) Parts that are replaced regularly.

5. Reference condition rules: There are usually two reference conditions: 1 standard reference condition; 2 test reference condition. Standard reference conditions, also known as standard test conditions, are conditions that are easily verifiable from one system to another, from one laboratory to another. The data measured with this condition helps identify problems between actual tests and systems. If the system pressure rises under certain test conditions, the pressure is normal under standard conditions. This indicates that system anomalies are caused by changes in the laboratory.

6. Recording rules: This rule is often overlooked. It should be recorded after each maintenance and troubleshooting. For example, it is time consuming and laborious to analyze a problem systematically for a particular failure of the system because it is not recorded. From the long-term point of view, the specific faults that occur in the system are also extremely important for future operations. Each instrument should be provided with a maintenance record, including date, fault location, phenomenon, cause, solution and result. It is also important to note that the parts that have been tried or replaced must be marked. The maintenance and repair records have the following advantages: (1) Let all operators know what has happened, to attract attention during the operation; (2) to help the operator describe the fault phenomenon; (3) when the fault occurs again The problem can be solved as soon as possible according to the information.

7. Predictive rules: Personnel with maintenance practices and maintenance habits should be able to predict the failure of the system. In time, they will spend more time on maintenance. The system will reward the failures and eliminate the chain damage. For example, if you do not pay attention to maintenance, the pump's sealing gasket is broken, causing leakage of the mobile phase, which will corrode the pump and other components. Being good at maintenance saves time and money, not the instrument controls the operator. For example, when the work starts or ends at work every day, it is found that the lamp life causes a baseline drift to replace the lamp. If the lights are all broken, they need to be shut down, and the damage may be higher than the cost of one lamp.

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