The Benefits of High and Low Temperature Humidity and Heat Test Chambers and Thermal Chambers

When selecting high and low temperature humidity and heat test chamber, we should make rational selection according to our own needs, and at the same time, we should do the corresponding safety operation in use to avoid accidents.

LISUN Temperature Humidity Chamber | Thermal Chamber | Climate Chamber is according to IEC60068-2-1 (GB/T2423.1) and IEC60068-2-2 (GB/T2423.2), IEC60068-2-78, IEC60598-1, GB/T2423.17, GB/T5170.2, GB/T5170.5. The climate chamber is used to test the CFL/LED which meets IES LM-80-08, electricity products, automative cars, home appications and mobiles.

GDJS-015B Temperature Humidity Chamber | Thermal Chamber

I. Confirmation of Technical Parameters of High and Low Temperature Humidity and Heat Test Chamber
1. According to the natural environment test box model selection standard, the volume of the tested product should not exceed 20% of the reasonable working chamber of the high and low temperature  humidity and heat test chamber. For the products that become hot during the experiment, it is strongly recommended to use not more than 10%.
2. Reasonable placement of experimental specimens. The placement position of experimental specimens should be 10 cm away from the box wall, and several specimens should be placed on the same plan as far as possible. The specimens should not block the ventilation port and air supply port, and a certain distance should be left for the temperature and humidity sensor to ensure the accuracy of the experimental temperature.
3. If the test products are liquids, they must be put into the box with vessels before they are put into the box, and testing of volatile, flammable and explosive materials is strictly prohibited.
4. If the tested products are various small parts, most of the test pieces rack provided by the manufacturers are equipped with holes with different diameters. For smaller parts, manufacturers must use trays.
5. The conversion of temperature and environmental humidity is affected by the size of the tested goods and the heat of production. The heat of production has a certain effect on the cooling and heating speed.

II. Selection Factors of Thermal Chamber
1. No matter whether users are selecting thermal chamber or other testing equipment, they should meet the temperature conditions specified in the test requirements;
2. To ensure the temperature uniformity in the test area of the test box, whether to adopt forced air circulation or non-forced air circulation can be selected according to the heat dissipation of the samples;
3. The heating or cooling system of the high and low temperature humidity and heat test chamber should have no effect on the sample;
4. The test box should be convenient for relevant sample racks to be placed, and the mechanical properties of the sample racks should not be changed due to high and low temperature changes;
5. High and low temperature test box should have protective measures;
6. According to the customer’s requirements, whether there is remote monitoring function or not;
7. The test box must have automatic counter, indicating lamp and recording equipment and automatic shutdown instruments to carry out the cycle test, and must have good record and display function;
8. According to the sample temperature, there are two kinds of temperature measurement methods, namely, air supply and air supply temperature sensors. The temperature and humidity control sensors in the high and low temperature test box and the control modes are optional, and the appropriate equipment should be selected according to the product test requirements of customers.

III. Operating Safety Methods of High and Low Temperature Humidity and Heat Test Chamber

1. When the instrument is working, please try not to open the test box. High temperature will cause burns to operators, while low temperature will cause frostbite and possible formation of frost on the evaporator, affecting the refrigeration effect. If you must open it, please take certain protective measures.
2. During the operation of high and low temperature test chamber, the terminal cover of the power input must be installed on the terminal board to prevent electric shock.
3. In order to avoid faults of high and low temperature test chamber, please provide power supply within the rated voltage range.
4. The ventilation holes of the body must be kept open to prevent faults, abnormal actions, shortened life and fires.
5. Do not disassemble, process, modify or repair the high and low temperature test chamber without authorization, otherwise there will be danger of abnormal actions, electric shock or fire.
6. The wiring must be correct and must be grounded. If it is not grounded, it may cause electric shock, wrong actions, abnormal display or large measurement errors.
7. When installing the machine, be careful not to let dust, wire head, iron filings or other things enter, otherwise there will be wrong actions or faults.
8. If the machine is damaged or deformed when opening the box, please do not use it.
9. In order to prevent electric shock or wrong action and fault, do not connect the power supply before the installation and wiring are completed.
10. When operating the high and low temperature humidity and heat test chamber, please fully consider the safety when modifying the settings, outputting the signals, starting and stopping, etc., wrong operation will make the working equipment damaged or faulty.
11. Use dry cloth to wipe the high and low temperature test chamber, do not use alcohol, gasoline or other organic solvents, do not splash water on the high and low temperature shock test chamber, if the high and low temperature shock test chamber is immersed in water, please stop using it immediately, otherwise there will be danger of electric leakage, electric shock or fire.
12. Regularly check the terminal screws and fixing frame, please do not use in the loose condition.

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are Goniophotometer, Integrating Sphere, Spectroradiometer, Surge Generator, ESD Simulator Guns, EMI Receiver, EMC Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, RoHS Test (EDXRF), Glow Wire Test and Needle Flame Test.

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