Laboratory Furnace Feature Comparison and Specifications Guide
Laboratory furnacesare composed of a heating element connected to a sampling chamber and regulated by a digital controller.
什么是实验室炉？
实验室熔炉执行塞弗ral routine functions, including sample annealing, baking, curing, solvent removal and sterilization. Although most furnaces are designed for installation on a benchtop, specialty free-standing and walk-in furnaces are available.
How are Lab Furnaces Used?
Lab furnacesare commonly used in the material science, water treatment, environmental science, chemical, metal treatment, electronic, and agricultural biology industries.
Read More:Applications for Laboratory Ovens Across the Sciences
A-熔炉风格和设计
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A1 - Ashing Furnace
Ashing furnaces确定化合物重量的变化，因为一个或多个成分被燃烧。Ashing炉用于煤，橡胶，塑料和谷物的材料分析。特殊的瓷石英坩埚可容纳38个样品，用于大量捕捉或焚化。
A2 - Box Furnace
Box furnaces包含比Ashing和Ruffle炉更大的样品室，用于处理大量样品，例如原金，塑料或电子产品。双壁结构可降低外表面温度，以保护操作员的保护和能源效率。铰接的侧面安装或顶部安装的门为快速加载和卸载样品提供了全室访问。
A3 - Muffle Furnace
Muffle furnacesare box furnaces equipped with ceramic fiber insulation to permit faster heating ramp rates than standard box furnaces. Muffle furnaces are used in laboratories for gravimetric analysis, sintering of small organics, quantitative analysis, and sample volatility studies.
Read More:盒子，垃圾和管实验室炉
A4 - Tube Furnace Design
Tube furnacesare designed for heating small samples in an inert atmosphere. Certain models include three-zone controls to support segmentation of the sampling chamber into three distinct temperature gradients for material testing. Tube furnaces are used for sample viscosity testing, calibration, thermal expansion, and crystal growing.
B - Maximum Lab Furnace Temperature
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Laboratory furnacesinclude a PLC controller to regulate temperatures from 100°C to the maximum temperature of the furnace, which ranges between 975°C and 1,700°C. Although lab ovens are also used for sample annealing, curing and baking, standard ovens do not maintain temperatures above 350°C.
C - Lab Furnace Controls and Programs
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Thermo Fisher Scientific lab furnacesinclude integral PLC controllers mounted on the front panel of the unit for easy access and maintenance. Integral controllers provide several layers of method and programming control to support simple and advanced protocols.
C1 - Multi-Program Furnace
Thermo Fisher’s Lindberg/Blue M BoxFurnaces include controllers capable of storing up to 25 different programs, each with multiple segments.
C2 - Multi-Segment Furnace
Multi-segment furnace controllersallow for the segmentation of each program into individual ramp times (heating or cooling) and dwell times. Program patterns are defined by either time or rate and programs are repeatable for 999 cycles.
C3 - Furnace Setpoint
Simplified setpoint furnace controllers支持协议，要求将单段坡道达到指定温度。
C4 - Single Program Furnace Controllers
暖气渔船管炉s with economical single program controllers, do not include a database of saved programs for quick retrieval. The single program, however, accommodates multiple segments for advanced heating protocols.
C5 - Single Segment Furnace Controllers
Single segment furnace controllerssupport procedures defining a single-segment ramp to a specified temperature, but may support multiple saved programs for different sample types.
D - Furnace Voltage
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120-volt connections are suitable for standard laboratory power outlets in the United States.
与旨在在120伏操作的设备相比，208伏或240伏的连接需要更少的电流（安培）和小的导体。
E-炉容量
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Standard lab furnaces，，，，given their double-wall design and thermal insulation, contain smaller sampling chambers than laboratory ovens.
Common lab furnace capacities vary from 0.2 cubic feet to 2.5 cubic feet in size.
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F - Special Furnace Features
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F1 - Over-Temperature Protection
Digital, adjustable over-temperature control protects the furnace and electrical load in the event of controller failure by shutting off power once the setpoint is reached.
F2 - RS-232 Furnace
Thermo Fisher Thermolyne Benchtop Muffle Furnacesinclude RS-232 ports for two-way communication between the furnace and a printer or remote computer.
F3 - Furnace Flowmeter
Thermo Fisher Lindberg/Blue M LGO Box Furnaces包括一个可调节气体流量计,安装在the front panel for purging the sampling chamber with an inert gas, such as Nitrogen or Argon.
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