What is a Laboratory Hot Plate?
Laboratory hot plates由安装在板表面下方的加热元件组成，该加热元件由导电钢或塑料制成，连接到数字或模拟控制器。
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overhead or magnetic stirring apparatusto 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
标准温度控制热板请勿在加热过程中包括用于样品混合的搅拌设备。标准的热搅拌器比搅拌热板更经济，是需要最小维护和重新校准常规的可靠主持人。
A2-带有热板的磁力搅拌器
Magnetic stirring hotplatescontain 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 plates包含一个搅拌器和加热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
Ceramic hot platesare 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
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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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-热板电压
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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-热板控制器和加热类型
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E1 - Digital Hot Plates
Hot plates with digital controllersinclude 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-模拟热板
18beplay 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’s explosion-proof hot plate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
Optimal for prokaryotic and eukaryotic cell culture work,孵化器安全热板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,
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