Nowadays, due to the low frequency of production caused by the decline in production, some high-temperature test chambers purchased by some enterprises will be stopped for a long time. Here are some precautions for the long-term deactivation of the test chamber:
Gem refers to
the kind of after the pondering and polishing, you can meet the jewelry
requirements of the stone or mineral assembly. The
color of the beautiful, high hardness, in the atmosphere and the role
of chemicals can not afford to change the precious ore. Can be used as instrument bearings, abrasives, decorations and so on. Also refers to the precious stones.
We will offer kinds of gemstone jewelry , include Gemstone Bracelet , Gemstone Necklace, gemstone earrings, Gemstone Pendant, Gemstone Beads , loose gemstone,natural stone jewelry, Gemstone Rings and so on.
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First, what should you pay attention to for long-term suspension?
1. Unplug the high and low temperature test box power plug and keep it in a safe place;
2. Take out the test samples in the box and clean the stains in the workroom;
3. Seal the instructions, certificate and other materials to avoid moisture;
4. The sealing strip of the high and low temperature test chamber is wiped clean with a cloth, coated with talcum powder for maintenance or padded with a thin paper at the contact between the door seal and the box to avoid long-term closure and door frame sticking;
5. Turn the thermostat button to the closed state, so that the thermostat spring is in a relaxed state, open the test box, and let the inside of the box air dry for 1-2 days. It is forbidden to cover the test box with a plastic cover. In addition, during the storage of high and low temperature test chambers, it is forbidden to place heavy objects on them to prevent deformation or tilting.
2. High and low temperature test chambers that have not been operated for a long time. Please check the following contents before using them again.
1. Before turning on the power, check whether the voltage specified on the nameplate of the high and low temperature test chamber is consistent with the test room, and the same can be used.
2. Arrange separate power lines and special sockets for high and low temperature test chambers. Do not use the same socket with other test chambers, otherwise it will cause adverse accidents.
3. Install the grounding device, and then energize the test box after the above conditions are met.
The gem is the most beautiful and precious stone in the rock. They
are bright colors, bright colors, shiny bright, hard and durable, while
rare, can be made of jewelry and other natural mineral crystals, such
as diamonds, crystal, emerald, ruby, sapphire and gold emerald (stone,
cat's eye) Lobster, etc .; there are a few are natural single mineral aggregates, such as ice chalcedony, opal There are also a few organic materials such as amber, pearl, coral, coal and ivory, also included in the generalized gem.
Jade is also the beauty of stone. But it also has a bright color, hard and delicate texture, polished with a beautiful luster and other characteristics.