**Digital Display Thermostat Features and Operation Precautions**
The digital display thermostat is equipped with a fully enclosed compressor refrigeration system, ensuring efficient and stable cooling performance. It allows users to set upper and lower temperature limits for alarms, enhancing safety during operation. The instrument includes an inlet temperature control program that ensures smooth and consistent functioning. Multiple protection mechanisms are in place, including overheating and overcurrent safeguards, to prevent damage. In the event of a power failure, the system automatically delays for 3 minutes, providing a buffer for continued operation.
The thermostat features an XMT analog-digital PID automatic control system with an LCD display, offering precise temperature regulation. A circulation pump can be used to introduce the constant-temperature liquid from the tank, creating a secondary constant-temperature environment. Additionally, the cold liquid from the tank can be externally directed, enabling low-temperature experiments directly within the tank.
The interior and exterior of the digital low-temperature bath are constructed from high-quality stainless steel, while the outer shell is made of cast iron for durability. The base is designed with a wheel structure, featuring a pedal for easy movement. The overall design is both elegant and user-friendly. The thermostat incorporates advanced U.S.-developed temperature control technology, combined with years of experience in manufacturing constant-temperature water baths. This results in a high level of temperature accuracy—up to 0.05°C for water and 0.1°C for oil media. Both internal and external circulation systems are available to ensure even heat distribution and stable temperature conditions.
**Operation Precautions:**
1. Ensure there is at least 40mm of space around the instrument for proper ventilation.
2. The power supply must be sufficient to support the instrument's power requirements.
3. For optimal performance, it is recommended to activate the external circulation when using the device.
4. Always refer to the user manual for guidance on selecting the appropriate medium.
5. Regular cleaning is essential to maintain the instrument’s performance and longevity.
**Choosing the Right Liquid Medium:**
- For operating temperatures between 5°C and 85°C, distilled water is typically used.
- Between 85°C and 95°C, a 15% glycerol aqueous solution is suitable.
- Above 95°C, mineral oil is preferred, with an open cup flash point at least 50°C higher than the working temperature.
The instrument is equipped with wheels at the bottom for easy mobility. However, during operation, the wheels should be locked to prevent accidental movement. The device has a high power rating, so it is crucial to ensure the power supply is adequate to avoid electrical faults. The Percival cryostat uses a three-prong plug with a grounding wire for added safety.
When adding the liquid medium, make sure the level exceeds the heater to prevent dry heating. The Percival low-temperature bath includes a low-level alarm that emits a beep sound when the liquid level is too low. If this occurs during operation, immediately add more medium to avoid damage.
Avoid looking directly into the tank when operating at high temperatures, especially if oil is used, as it may splatter. For devices with an external circulation function, it is advisable to use the pump cycle during low-temperature operations to prevent ice formation, which could interfere with the experiment. The pump cycle also helps maintain a more stable temperature.
After use, always turn off the power switch and unplug the device. Clean the instrument promptly to prevent contamination and ensure readiness for future use. Place the unit in a well-ventilated area to avoid moisture buildup.
Beijing Jiuzhou Space Science & Trade Co., Ltd. specializes in a wide range of environmental monitoring equipment, including online soil erosion monitors, portable surface runoff meters, sediment samplers, rain gauges, flow meters, weather stations, and more. We welcome both new and returning customers to inquire about our products and services.
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