什么是实验室热板？
Laboratory hot platesconsist of a heating element installed underneath a plate surface, manufactured from conductive steel or plastic, connected to a digital or analog controller.
What is a Laboratory Hot Plate Used For?
在临床，生产和研究实验室中，无处不在，热板用于缓慢，安全地加热样品，试剂和化学物质，而没有与Bunsen燃烧器开放的危险相关的危险。
Stirring Hot Plate Styles, Components, and Types
搅拌器热板配备了开销或磁搅拌设备to mix the sample during the heating process, ensuring more complete temperature uniformity. For operator protection, hot plates include several safeguards, including over-temperature prevention, audible and visual alarms, and non-sparking components for flammable or explosive samples.
A - Heater Stirrer Plate Design
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A1-热板
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
Magnetic stirring hotplates包含一个安装在板表面下方的电磁体，该电磁体在整个板上产生一个旋转的磁场。磁场会导致浸入样品中的搅拌杆以预定义的速度（高达2500 rpm）旋转。磁力搅拌器不包括加热元件。
A3-搅拌热板
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 - Aluminum Hot Plates
铝热板表面比陶瓷，聚丙烯或不锈钢提供更好的温度均匀性。更耐用和更难破裂的铝制板对于涉及钢烧杯的高通量操作是最佳的。
B2-陶瓷热板
陶瓷热板are resistant to corrosion and withstand temperatures above 350°C. Ceramic’s white surface optimizes viewing of samples obscured by aluminum or steel plates. Ceramic tops are susceptible to heat shock from metal cylinders, so ceramic is an ideal choice for samples heated in glass beakers.
B3 - Polypropylene Hot Plates
Polypropylene hot platesresist s harsh chemicals, acids and solvents, but do does not reach temperatures as high as ceramic or aluminum. Polypropylene hot plates are optimal for wet chemistry work involving solvents like methanol, acetonitrile and ethanol.
B4 - Stainless Steel Hot Plates
不锈钢热板可抵抗腐蚀，大多数酒精和醚，以及促进脱氧物质的无菌条件。不锈钢热板是ISO级洁净室，CGMP空间和USP兼容设施的最佳选择。
C - Hot Plate Temperatures
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Standard hot plates carry a maximum temperature of 250°C to 350°C.
High-temperature hot plates, such asThermo Fisher’s Cimarec line，保持高沸点溶剂的温度最高540°C。
Incubator-safe hot platesare used with bacterial and mammalian cell cultures to achieve optimal growth conditions, such as 37°C or 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 - Digital Hot Plates
Hot plates with digital controllers包括用于保存程序的板载软件，PLC读数以监视温度输出，以及向上/向下键，以快速更改坡道费率。高级控制器包括密码保护，数据导出和过度温度警报。
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E2 - Analog Hot Plates
Hot plates with analog controllers包括拨号以修改温度设定点和听觉过度的警报。模拟模型比数字热板更经济，需要有限的维护和重新校准。
F - Maximum Hot Plate Stirring Speed
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类似物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 - Compact Hot Plates
Optimal for crowded lab spaces and shared-use core facilities, small-footprint hot plates use limited benchtop space without sacrificing performance.
G2-防爆炸热板
Thermo Fisher的防爆热板适用于1类位置和D组气氛，外壳爆炸性液体和粉末。
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G3 - Incubator-Safe Hot Plates
对原核和真核细胞培养工作的最佳incubator-safe hot plates保持温度是细胞系生长和抵抗水分腐蚀的理想选择。
G4 - Remote-Controlled Hot Plates
Remote-controlled hot platesinclude 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,
我在哪里可以在线购买热盘和实验室搅拌器？
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Shop online to compare pricing, 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.
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