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?
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.
Stirring Hot Plate Styles, Components, and Types
搅拌器热点板块装备ped with an开销或磁力搅拌设备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 - 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
Magnetic stirring hotplates包含一个电磁铁，安装在板表面下方，其在板上产生旋转磁场。磁场使搅拌棒浸入样品中，以预定速度（高达2,500rpm）旋转。磁力搅拌器不包括加热元件。
A3 - Stirring Hot Plate
搅拌热板contain 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
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
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 - 聚丙烯热板
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
不锈钢热板抵抗腐蚀，大多数醇和醚类，并推广植物无菌条件。不锈钢热板对于ISO级洁净室，CGMP空间和符合USP的设施最佳。
C - 热板温度
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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, maintain temperatures up to 540°C for high-boiling point solvents.
孵化器安全的热板are 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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12.0-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读数监控温度输出，向上/向下键以快速改变斜率。高级控制器包括密码保护，数据导出和过温警报。
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E2 - Analog Hot Plates
Hot plates with analog controllersinclude 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 - 最大热板搅拌速度
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模拟搅拌热板，架空搅拌器可达1200 rpm的速度，用于混合样品和溶剂。对于粘性和大容量样品，数字搅拌热板利用电磁铁和搅拌杆达到2,500转的速度。
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 - Explosion-Proof Hot Plates
Thermo Fisher的防爆热板is suitable for Class 1 location and Group D atmospheres housing explosive liquids and powders.
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G3 - Incubator-Safe Hot Plates
原核和真核细胞培养工作的最佳选择，incubator-safe hot platesmaintain temperatures ideal for cell line growth and resist moisture-based corrosion.
G4 - Remote-Controlled Hot Plates
Remote-controlled hot plates包括延长线，以允许用户在没有风险的化学照射的情况下操作热板。适用于安装在湿加工甲板上或通风罩内的单元，
Where Can I Buy Hot Plates and Lab Stirrers Online?
Laboratory-Equipment.comis a specialty division ofbeplay体育最新下载入口. For nearly 40 years, Terra Universal has served semiconductor, aerospace, life science, pharmaceutical, biotechnology, and medical device markets. Customers appreciate a worldwide network of reps, factory-direct support, and ready-to-ship items available from Terra's manufacturing and warehouse facilities in Fullerton, California,
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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