Technical information

Knowledge of EJER ESD Dry Cabinet

As you know, humidity is very sensitive, it is effected by the ambient humidity, today let’s learn what we should know before use EJER electronic dry cabinet. 1. Pls ensure the ambient humidity must be higher than the set humidity value. If the humidity you need is not higher than 10% RH the ambient humidity, it is recommended that you open the cabinet door and close the cabinet door when the ambient humidity is high. If the humidity  you need is equal to or below the ambient humidity, it is recommended that you unplug the power and wait for the high ambient humidity to be used. When the humidity requirement is about 40% RH, the environmental humidity is higher than 60% RH and the effect is the best. 2.The humidity sensor used in the dry cabinet is the Sensirion sensor from Switzerland, which has the advantages of high precision, less annual drift and strong anti-interference ability. The humidity display error is less than plus or minus 3% RH. If the customer uses his own humidity tester to test that the humidity in the dry cabinet is inconsistent with the humidity displayed by the product, the cabinet can be calibrated, and the product has the function of humidity calibration. But it is recommended not to carry out humidity calibration. First of all, check the humidity tester you use is produced by a regular manufacturer, we recommend hygrometer of  Rotronic, Testo or Vaisala. 3. when the dry cabinet is working, the surface temperature is slightly higher, this is a normal phenomenon, it is not a failure.

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What is the Humidity Range of Optical Lenses in a Dry Cabinet?

Optical lenses or optical instruments are an essential tool in industry, but because lens lenses need to be preserved in a specific humidity environment to prevent them from moldy and damage their clarity and other negative effects. EJER recommends the use of electronic drying cabinets to store lens lenses for optical instruments. Humidity can be set between 30% RH-40%RH, which can effectively prevent the lens from mildew and produce white fog,  rainbow and other phenomena, and direct scrap lens. Some high-end optical instruments, such as high-end microscopes and other instruments, if not used for a period of time, need to be placed in a dry storage cabinet to prevent its lens mildew. Because of the high degree of electronic integration of instruments, some optical instruments have their own electronic components, which are best stored in anti-static auto dry cabinet. If the instrument and equipment carrying lens choose the drying cabinet, it is not suitable to choose the moisture-proof box with too low humidity (such as 10% RH-20%RH), because the long time low humidity environment may lead to the crack phenomenon on the lens surface. Welcome to inquire EJER low humidity storage cabinets! There are many kinds of EJER humidity control cabinet, different brands of industrial dry cabinets prices and application range will be slightly different, and we will provide you with high-quality products and profound after-sales service.

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Why the EJER Dry Cabinet and N2 Cabinet are needed?

With the rapid development and progress of science and technology, it requires more and more high quality of electronic products. Whether it is due to customer requirements or factory requirements for their own improvement, production links to quality control is becoming more and more strict, but the humidity is too high easy to produce productive problems, causes the product efficiency to decline, the quality bad and so on phenomenon, the  economic loss is serious, must cause the factory enterprise manager’s high attention. So, at this time will use the EJER electronic dry cabinet, and automatic nitrogen cabinet. The factory workshop is a main place for the production and processing of various electronic products. The storage of electronic components in a dry storage cabinet can provide a scientific and reasonable humidity environment for the production and storage of products, thus ensuring the safety of production and storage of products. To this end, many factories and enterprises will buy a certain number of EJER moisture control cabinet. Nitrogen cabinet is used for anti-oxidization and moisture proof purpose, it is an essential helper. Advantages of EJER dry cabinet: 1. display screen adopts LED display, easy to check and maintain. 2. display screen shows the working state of dry module. 3. safe voltage, dry module and control panel are designed with low voltage to prevent electric shock risk. 4. modular design, if a component failure, can quickly be replaced by new components. 5. high efficiency dehumidification, high display accuracy, moisture absorption polymer materials and humidity sensors all adopt famous brands. Pls send an email to sales@dry-cabinet.cn or visit our website https://www.dry-cabinet.cn for more details.

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The Structure and Working Principle of EJER Drying oven

The drying oven uses the air blast cycle to drive the hot airflow to achieve the purpose of drying and heating, benchtop drying oven is must equipment in every laboratory, today let’s briefly introduce the structure and working principle of the EJER drying oven: 1.Structure Constant drying oven consists of a box, a temperature control system, and an air circulation system. The exterior oven is made of high-quality cold-rolled steel plate, the exterior is electrostatically sprayed, and the interior oven made of mirror stainless steel. Can effectively prevent rust, corrosion. Insulation layer for high-quality insulation cotton, the least heat loss, studio and oven door connection with high-temperature silicone sealing ring. The temperature control system is PID adaptive control mode, no temperature control parameters adjustment, high control accuracy, no overshoot. The temperature circulation system of the constant temperature drying box is composed of a heating pipe, blower, and air duct. Using the operation of the fan, the air convection is forced to improve the temperature uniformity of the studio. The position of the heating tube is generally on both sides, the rear side, and the top heating concentration, the more common small thermostatic drying box on the market is back heating. 2. Working principle Hot air circulation oven working principle: air circulation system adopts fan circulation air supply mode, circulation is uniform and efficient. The air source is driven by the circulating air supply motor (using a contactless switch) to drive the air wheel through the heater, and the hot air is sent out, then through the air duct to the oven, and then the air suction duct after use becomes the air source for recycling and heating. Ensure interior temperature uniformity. When the temperature value swings due to the opening and closing action, the air supply circulation system quickly returns to the operating state until the set temperature value is reached.

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