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HFS-3|HFS-4|OMEGA热流密度传感器|热流传感器，Thin Film Heat Flux Sensor Models HFS-3 and HFS-4，薄片式热流密度传感器，HFS-3热流密度传感器，K型分度，薄片式设计，可弯曲，温度范围：-200 to 150°C，可与伏特计，记录仪及温度显示器方便的连接。

产品特点：

• Two Heat Flux Sensitivity Levels
• Type K Thermocouple is Standard
• Conveniently Interfaces with Voltmeters or Recorders and Temperature Indicators
• Easily Attaches to Curved and Flat Surfaces 
• Temperature Range from -200 to 150°C (-330 to 300°F)

应用：
 
• Determining Thermal Properties of Materials 
• Monitoring Structural Heat Transfer 
• Process Control in Heat Treating, Rolling Mills, and Glass Production 
• Effective for Convection, Conduction and Radiation Heat Transfer 
• Determining Heat Loss and Insulation Efficiency in Housing 
• Analyzing Aerodynamic Wind Tunnels
 
Each HFS series Heat Flux Sensor functions as a self-generating thermopile transducer. It requires no special wiring, reference junctions or signal conditioning. A readout is accomplished by connecting a sensor to any direct reading dc microvoltmeter or recorder. The HFS series sensor is designed for precise measurement of heat loss or gain on any surface. It can be mounted on flat or curved surfaces, and employs butt-bonded junctions with a very low thermal profile for efficient reading. The HFSs utilize a multi-junction thermopile construction and is available in two different sensitivity ranges. The carrier is a polyimide film which is bonded using a PFA lamination process.

The sensor also has an integral thermocouple for discrete temperature measurement needed to describe the heat flux.

HFS-3   OMEGA热流密度传感器     3.0 µV/Btu/Ft2Hr sensor with type K thermocouple
HFS-4   OMEGA热流密度传感器     6.5 µV/Btu/Ft2Hr sensor with type K thermocouple 
DP41-E  OMEGA数字过程显示器     Digital process indicator