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  美国International Thermal Instrument Company(ITI)国际热设备公司成立于1969年,旨在探索应用热电感应、热导率、热通量、地热能。在过去的30年里,国际热设备公司提供OEM服务和定制热电传感仪器于无数美国和外国国家实验室、美国国家航空和宇宙航行局、国家标准与技术局和许多私人和国立大学。产品广泛应用于暖气和空调、石油、化工、核能和发电等行业。

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HT-50热流传感器

2010/2/5 14:27:21 阅读:378次

  • 产品系列名称:HT-50热流传感器
  • 产品定货号:MY-01427-00
  • 产地:美国
  • 品牌:International Thermal Instrument Company(ITI)
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FOR PRECISE MEASUREMENT OF
HEAT FLUXES
 
Heat Fluxes To 10 Btu/hr ft
Temperature Range to 18000F.
Rapid Response (0.1 Secs.)
Linear Output
Accuracy 5%
Negligible Thermal Resistance
No Power Supply Required
 
PRINCIPLE
The flow of heat to, or from a surface on which the transducer is placed creates a small temperature difference between the upper and lower surfaces of the transducer. These surfaces are in thermal contact with a miniature, high temperature thermopile which generates
a direct current signal from this temperature difference. The thermoelectric element yields signals which may be measured by a microvolt meter. Because each unit is self-powered, no excitation voltage is necessary. The thermal resistance introduced by the transducer is negligible for all practical purposes.
 
CALIBRATION
ITI Thermal Flux Meters are individually calibrated at a base temperature of 70 F. An absolute calibration technique is used to determine the meter constant to the required accuracy, and verified by calculation. A temperature correction curve for elevated temperatures is also provided.
 
SPECIFICATIONS
Temperature Range . .........................- 425 F. to 1800 F.
(2000 F. in Vacuum)
Maximum Flux Density..............................10 Btu/hr ft
Material................................................Stainless Steels
Time Constant.................................................0.1 Secs.
Size . . ............................................0.100”x 5/8”x 5/8”
Sensitivity......................................150 Btu/hr ft �Volt
Accuracy....................................................................5%
 
APPLICATION
The Model HT-50 Thermal Flux Meter is a solid state, flat-plate, metallic transducer designed to measure heat flow directly. This transducer is placed upon any surface through which the heat flow is to be measured.
The unit will measure heat flow to, or from any surface. In many cases, the transducers may also be installed internally within any barrier with no loss of accuracy.
 
Application areas include:
Furnace/Boiler Heat Flow
High Temperature Heat Transfer
Engine Heat Loss Measurements
Physical Property Determinations
Aeronautical and Space Technology
 
OPERATION
The transducer may be attached to the heat transfer surface by either clamp, or ceramic cement. The D.C. signal generated by the transducer from the heat flow is conducted to the readout by means of a cable. When the transducer attains equilibrium (app. 0.1 sec.) with
the surface, the generated voltage will be proportional to the heat flux. When this output voltage is multiplied by a specific calibration constant, which is supplied with each transducer, the resulting value will be heat loss/gain in terms of Btu/hr ft.

产品编号 产品名称 产品简介 产品价格
MY-01427-00 HT-50热流传感器 The flow of heat to, or from a surface on which the transducer is placed creates a small temperature difference between the upper and lower surfaces of the transducer. 0¥

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