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Crystal Oscillator
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Quartz Oscillator 3225 20M OSC
The constant temperature shaker is a versatile laboratory equipment widely used across various scientific fields such as biology, agriculture, microbiology, virology, genetics, medicine, environmental science, petrochemicals, chemistry, and food industries. It plays a crucial role in the precise cultivation of microorganisms, genetic research, and industrial heating processes.
Constant temperature shakers are available in several types based on different criteria:
1. **By Oscillation Method**:
- Rotational constant temperature shakers (commonly used in laboratories)
- Reciprocating constant temperature shakers
- Dual-function models that can rotate and reciprocate
2. **By Heating Medium**:
- Water bath constant temperature shakers: Combine a water bath with an oscillator, ideal for temperatures up to 100°C.
- Air bath constant temperature shakers: A combination of a thermostat and an oscillator, typically used for temperatures up to 70°C, commonly set at 37°C.
- Oil bath constant temperature shakers: Designed for high-temperature applications, often used in specialized experiments.
3. **By Oscillation Frequency**:
These devices can be categorized by their rotational speed, which affects the type of containers that can be used. Common ranges include 30–200 RPM, 400–300 RPM, and 60–400 RPM. Higher frequencies require more robust flasks to prevent breakage.
4. **By Timing Function**:
Some models come with a timer function, while others operate continuously.
5. **By Door Configuration**:
Options include single-door and double-door models, depending on the size and accessibility needs.
6. **By Size**:
Available in small, standard, and large capacities, suitable for different experimental scales.
7. **By Temperature Range**:
- Low-temperature models (5–50°C)
- Normal-temperature models (room temperature range)
- High-temperature models (up to 100°C or higher)
8. **By Number of Shelves**:
Single-layer and double-layer models are available, depending on the number of samples to be processed simultaneously.
9. **By Display Type**:
- Digital display models (show only numbers)
- LCD display models (can show both numbers and letters)
10. **By Placement**:
- Desktop models
- Vertical or upright models
- Stacked or multi-tier models
- Floor-standing models
11. **By Heating Power**:
- Below 999W
- 1000–1999W
- 2000W and above
12. **By Oscillation Amplitude**:
- Standard amplitude (Φ25mm)
- Large amplitude (Φ50mm)
13. **By Oscillation Adjustment**:
- Stepless adjustable shakers allow for smooth and continuous adjustment of shaking intensity.
These features make constant temperature shakers essential tools in modern laboratories, offering flexibility, precision, and reliability for a wide range of applications. Whether for microbial culture, biochemical reactions, or industrial testing, choosing the right model depends on specific experimental requirements and operational conditions.
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