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SAE ARP690

Name: SAE ARP690 PDF | Request Standard
SKU: 1f7807d82b09

Standard Exposed Junction Thermocouple for Controlled Conduction Errors in Measurement of Air or Exhaust Gas Temperature

Standard by SAE International, 2018-05-03

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SAE ARP690.PDFSecure PDF
SAE ARP690.PDFOnline Access

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Language: English
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Language: English
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About This Item

The thermocouple design recommended herein is presented as one for which the correction to the observed emf, because of thermal conduction along the stem and wires, is within the limits presented in the accompanying figure. On referring to the figure, it is seen that no restriction is placed upon the diameter of the thermocouple or stem, and the longitudinal dimensions are expressed in terms of wire and stem diameters. The type of stem, such as packed ceramic stock, refractory insulating tubing, etc., also is left open to choice. Thus the sizes of wires and supporting stems may be varied over wide ranges to match particular requirements where conduction errors are to be limited or controlled. ARP690 has been reaffirmed to comply with the SAE five-year review policy.

SKU: 1f7807d82b09

Publication Date: 2018-05-03

Standard Status: latest

Publisher: SAE International

Document Type: Aerospace Standard

Subject: Conductivity, Gases, Ceramics, Insulation, Radiation, , , ,

Official SAE: Doi link

This Version: ARP690 (2018-05-03)

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