Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (G01D3/00 takes precedence; specially adapted for apparatus giving results other than momentary value of variable G01D1/00)

Child Classifications

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• G01D 5/02 using mechanical means
• G01D 5/12 using electric or magnetic means (G01D5/06 takes precedence)
• G01D 5/26 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
• G01D 5/42 using fluid means
• G01D 5/48 using wave or particle radiation means (G01D5/26 takes precedence)
• G01D 5/54 using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48