Choose and purchase temperature and humidity time, can be referred to by the following factors:
Sturdiness: a thermometer's sensor and shell should be considered to be able to withstand condensation, drying, extreme temperature, dust, chemistry, or other pollution.
Quality reliability, life expectancy: many of the appearance of the product looks imregular and false. So when the quality is not good judgment, can proceed from the overall impression, quality inspection and identification of factory standards, inspection and application of possession of history, reputation, market manufacturers, famous brand product is better than the general, professional manufacturers of the products are better than one manufacturer, which is in doubt, consult with other users is also a good method.
Adaptability: when the usage is not a single one, the thermometer manufacturer should consider the adaptability of the instrument, and buy products hope to have a complete function, so that can provide us with lots of help.
Changeability: it is generally hoped that the hygrometer can be used interchangeably or with other probes to match your host. Maintenance: check the time requirements for periodic cleaning, renewal and replacement of hygrometer.
Reserve: thermometer, thermometer, wholesale spare parts are indispensable for most users. Inspect whether suppliers can provide spare parts on time and on time.
After-sales service: certificate, maintenance and service agreement.
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