High and low temperature test chambers are widely used in electrical, electronic, household appliances, automotive, motorcycle, chemical and other product parts and materials for temperature testing. Based on more than ten years of sales experience, the author reminds our customers of the issues that should be noted during the selection process of high and low temperature test chambers:
First, the temperature range of the choice of high and low temperature test chamber temperature range, the general manufacturer provides a range of -20 ° C ~ 150 ° C, -40 ° C ~ 150 ° C, -60 ° C ~ 150 ° C, Beijing Yashilin production of high and low temperature series test In addition to the above temperature range, it can also provide -70 ° C ~ 150 ° C, -80 ° C ~ 150 ° C, -190 ° C ~ 150 ° C (deep cold high and low temperature test chamber), the temperature range is selected according to customer test Demand, in general, the lower the low temperature, the more expensive the price, but as the ambient temperature changes, such as the Mohe area in Heilongjiang, the temperature is as low as -40 ° C, most customers will choose -40 ° C ~ 150 ° C, -60 °C ~ 150 ° C for two ranges.
Second, the size of the studio to choose the size of the studio, according to the customer's test workpiece to determine, according to the relevant test requirements, the volume of the workpiece to be tested should not exceed two-thirds of the studio volume, it is because of the test In the process, the studio should reserve a certain space in front, back, left and right, and up and down, generally 5CM, in order to facilitate the circulation of the air duct, to ensure the absolute temperature uniformity and temperature fluctuation of the studio, to achieve the purpose of testing.
Third, the site conditions First, to have a voltage of 380V, a small test box can also use 220V voltage, but need to modify the circuit part, such as the family installed a 2P air conditioner, you need to separate the air conditioner, take a The same is true for the dedicated line and the test box. The test box is generally large in size and belongs to large-scale instruments and equipment. Secondly, the size of the test box should be taken into consideration. According to the size of the test box, the size of the door, elevator and walkway of the test room should be considered to ensure high and low temperature. The test chamber can reach the test chamber smoothly.
Fourth, the best cost-effective market in the market engaged in high and low temperature test box sales company according to statistics of about 3,000, but the real producers only dozens, the vast majority of traders or small companies, high and low temperature test chambers are also The focus of the customer's attention, while comparing the price, it is best to conduct a site visit to the manufacturer or to inspect the typical customer. The expensive product is not necessarily good, but the good product must be expensive, the penny is the goods, the customer is at the price. When comparing, don't be tired of the price. There are many small workshop-style companies in Jiangsu, Zhejiang and Dongguan, which are cheap, but the product quality and after-sales service are not guaranteed.
V. After-sales service Good products are not only reflected in the quality and details of the products, but also in the after-sales service of the products. The assessment of after-sales service capability is also one of the key indicators for the selection of high and low temperature test chambers.
Finally, I wish all customers can choose the right product for themselves.
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