What is a Laboratory Hot Plate?
实验室热板consist of a heating element installed underneath a plate surface, manufactured from conductive steel or plastic, connected to a digital or analog controller.
实验室热板是用什么？
Ubiquitous in clinical, production and research labs, hot plates are used to slowly and safely heat samples, reagents and chemicals without the dangers associated with the open flame of a Bunsen burner.
搅拌热板样式，组件和类型
Stirrer hot plates are equipped with anoverhead or magnetic stirring apparatus在加热过程中混合样品，以确保更完整的温度均匀性。为了保护操作员，热板包括几个保障措施，包括预防过度的预防，可聆听和视觉警报以及用于易燃或爆炸性样品的非屏蔽组件。
A-加热器搅拌板设计
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A1 - Hot Plate
Standard temperature control hot platesdo not include a stirring apparatus for sample mixing during the heating process. More economical than stirring hot plates, standard hot stirrer plates are reliable workhorses requiring minimal maintenance and re-calibration routines.
A2 - Magnetic Stirrer with Hot Plates
磁搅拌热板contain an electromagnet, installed underneath the plate surface, which produces a rotating magnetic field across the plate. The magnetic field causes a stirring bar, immersed within the sample, to spin at a predefined speed (up to 2,500 rpm). Magnetic stirrers do not include a heating element.
A3 - Stirring Hot Plate
Stirring hot platescontain both a stirring apparatus and heating element installed underneath the plate surface for even stirring as the sample heats. While stirring hot plates are more expensive than magnetic hot plate stirrersmagnetic stirrers or standard hot plates, they provide better heating uniformity for high-volume (over 500 ml) and highly-viscous samples.
B - Hot Plate Material
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B1-铝热板
Aluminum hot plate surfaces provide better temperature uniformity than ceramic, polypropylene, or stainless steel. More durable and harder to crack, aluminum-top plates are optimal for high-throughput operations involving steel beakers.
B2 - Ceramic Hot Plates
Ceramic hot plates对腐蚀具有抗性，并承受350°C以上的温度。陶瓷的白色表面优化了对铝或钢板遮盖的样品的观看。陶瓷顶部容易受到金属气缸的热冲击，因此陶瓷是在玻璃烧杯中加热的样品的理想选择。
B3 - Polypropylene Hot Plates
聚丙烯热板抵抗S苛刻的化学物质，酸和溶剂，但不会达到陶瓷或铝的高温。聚丙烯热板对于涉及甲醇，乙腈和乙醇等溶剂的湿化学工作是最佳的。
B4 - Stainless Steel Hot Plates
Stainless steel hot plates resists corrosion, most alcohols and ethers, and promotepromotes aseptic conditions. Stainless steel hot plates are optimal for ISO-grade cleanrooms, cGMP spaces and USP-compliant facilities.
C - Hot Plate Temperatures
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标准热板的最高温度为250°C至350°C。
高温热板，例如Thermo Fisher’s Cimarec line, maintain temperatures up to 540°C for high-boiling point solvents.
Incubator-safe hot plates与细菌和哺乳动物细胞培养物一起使用，以达到最佳的生长条件，例如37°C或45°C。
D - Hot Plate Voltage
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120-volt connections are suitable for standard laboratory power outlets in the United States. 240-volt connections, common in Mainland Europe, require less current (amperage) and smaller conductors than equipment designed to operate at 120-volt.
E - Hot Plate Controllers and Heating Types
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E1-数字热板
带有数字控制器的热板include on-board software for saving programs, PLC readouts to monitor temperature output, and up/down keys to quickly alter ramp rates. Advanced controllers include password protection, data export and over-temperature alarms.
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E2 - Analog Hot Plates
带模拟控制器的热板include dials to modify temperature set points and audible over-temperature alarms. More economical than digital hot plates, analog models require limited maintenance and re-calibration.
F - Maximum Hot Plate Stirring Speed
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Analog stirring hot plates with overhead stirrers reach speeds up to 1,200 rpm for mixing of samples and solvents. For viscous and high-volume samples, digital stirring hot plates utilize electromagnets and stirring bars to reach speeds up to 2,500 rpm.
G - Application-Specific Features
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G1-紧凑的热板
对于拥挤的实验室空间和共享核心设施的最佳功能，小英尺打印板使用有限的台式空间而无需牺牲性能。
G2 - Explosion-Proof Hot Plates
Thermo Fisher’s explosion-proof hot plateis suitable for Class 1 location and Group D atmospheres housing explosive liquids and powders.
G3-孵化器安全热板
Optimal for prokaryotic and eukaryotic cell culture work,incubator-safe hot platesmaintain temperatures ideal for cell line growth and resist moisture-based corrosion.
G4-遥控热板
遥控的热板include extension cords to allow users to operate the hot plate without risking chemical exposure. Ideal for units installed on wet processing decks or within fume hoods,
Where Can I Buy Hot Plates and Lab Stirrers Online?
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在线购物以比较定价, features, and selection for a wide variety of lab hot plates and stirrer equipment for applications including general laboratory, PCR, DNA/RNA techniques, ELISA, protein analysis, and cell culture.
