One Ready to work 1. Rinse the inside of the distiller with distilled water before use and replace it with overnight water. 2. Close the drain valve. 3. Prepare clean containers to collect the distilled water from the nozzle. Second, operation steps: 1. Connect the water source to the inlet pipe of the distiller so that water enters the condenser. Then fill the evaporation pot through the return pipe until the water level reaches the center of the glass gauge. 2. Turn on the power supply, and once the water in the evaporation pot starts boiling, open the main inlet valve. 3. Adjust the water flow to maximize the production of distilled water. 4. To ensure the purity of the output, let the water run for 10 minutes before using the distilled water. Third, notes: 1. Regularly remove scale from the inside of the distiller to maintain efficiency and extend its lifespan. 2. Avoid scratching the tin plating when cleaning. 3. New distillers should be cleaned and operated for over 2 hours to meet pharmacopoeia standards. Instrument Operation: 1. Stacking: Wrap items to be sterilized and place them on the rack in the sterilizer, leaving space between packages to allow steam to circulate and improve sterilization effectiveness. 2. Add Water: Fill the sterilizer with 4L of clean water. Check the water level before each use to prevent damage to the heating element. 3. Seal: Place the sterilization chamber into the main body, insert the hose into the groove, close the lid, and tighten the nuts evenly to ensure a tight seal. 4. Heating: Plug in the power, turn on the switch, and set the vent valve to "discharge." Once steam is released, close the valve and monitor the pressure gauge as pressure rises. 5. Sterilization: When the desired pressure is reached, maintain it for 15 minutes for effective sterilization. 6. Drying: After sterilization, release steam quickly via the vent valve if fast drying is needed. Wait 1–2 minutes, then open the lid and continue heating for 10–15 minutes to evaporate residual moisture. 7. Cooling: For liquid sterilization, do not release steam quickly to avoid accidents. Let the pressure drop naturally before opening the lid. 8. Use a thermometer or indicator to check temperature and time regularly for reliable results. Matters to Note: 1. Always check that there is at least 4L of water in the main body, ensuring the heating element is fully submerged. 2. When sterilizing liquids, use heat-resistant glass bottles filled no more than 3/4 full. Cover with cotton and gauze; never use rubber or cork stoppers. 3. If the lid cannot be opened after sterilization, set the vent valve to "vent" to allow air in and release pressure. 4. If the pressure gauge does not return to zero, have it checked and replaced if necessary. 5. After sterilization, make sure the pressure gauge reads zero and the vent valve is in the "vent" position before opening the lid. Previous: As part of asphalt fatigue testing machine equipment? - Huaqiang Electronic Network Next: UV-1100 spectrophotometric method for rapid measurement of peroxide content of oxides in edible oils - Master's thesis - Dissertation PVC (Polyvinyl Chloride) is a widely used thermoplastic polymer that finds extensive applications in the manufacturing of cables due to its cost-effectiveness and various desirable properties. Here's an overview of PVC as a cable material: ### Applications: - **Domestic Wiring**: PVC-insulated wires are commonly used in residential wiring due to their safety and durability. - **Telecommunications Cables**: PVC is often used in telecommunications cables for its flexibility and resistance to moisture. - **Automotive Wiring**: Due to its flexibility and chemical resistance, PVC is used in automotive wiring harnesses. - **Industrial Applications**: PVC cables are also used in industrial settings where they need to withstand harsh conditions. economical,PVC Cable Material,Flame Retardancy,Ease of Installation,plastic-insulated,PVC as a cable material ZHONG HAN INTERNATIONAL TRADE CO., LTD , https://www.cck-ht.com
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### Properties of PVC Cable Material:
1. **Durability**: PVC cables are resistant to wear and tear, making them suitable for both indoor and outdoor use.
2. **Flame Retardancy**: PVC has good flame retardant properties, which means it does not easily catch fire and will self-extinguish once removed from a source of ignition.
3. **Chemical Resistance**: PVC is resistant to many chemicals, oils, and acids, providing protection against environmental damage.
4. **Flexibility**: Depending on the formulation, PVC can be made flexible or rigid, making it suitable for various applications.
5. **Cost-Effective**: PVC is relatively inexpensive compared to other cable insulation materials like TPE (Thermoplastic Elastomers) or XLPE (Cross-linked Polyethylene).
6. **Environmental Concerns**: While PVC is durable and versatile, it is not biodegradable and its production involves the use of chlorine, which can lead to environmental concerns if not properly managed.