GB588061A - Improvements in strain gauges - Google Patents
Improvements in strain gaugesInfo
- Publication number
- GB588061A GB588061A GB212645A GB212645A GB588061A GB 588061 A GB588061 A GB 588061A GB 212645 A GB212645 A GB 212645A GB 212645 A GB212645 A GB 212645A GB 588061 A GB588061 A GB 588061A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- pad
- pads
- plate
- wheatstone bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
588,061. Strain gauges. VICKERSARMSTRONGS, Ltd., and NASH, A. R. B. Jan. 26, 1945, No. 2126. [Class 106 (ii)] An electrical strain gauge comprises two relatively movable pads 11, 12, a lever 13 pivotally. connected to one pad and also attached to the other pad such that relative movement between the pads operates to deflect the lever, a resistance element 16 over which the free end of the lever 13 is adapted to slide and which constitutes the variable resistance of a Wheatstone Bridge circuit, and an instrument such as a galvanometer for measuring the current in the circuit. The pads 11, 12 are mounted on a metal plate 10, the pad 12 being slidable thereon, and the gauge is mounted on a test piece by sticking the pads thereto. The lever 13 is carried by a spring hinge 14 fixed to the plate 10 near the pad 12, and a spring strip 15 connects the pad 12 and the lever. The element 16 consists of a length of nickel-chrome wire of high resistance supported upon a fillet of lacquer, synthetic resin &c. Electric leads a, b, and c are taken from the plate 10 and ends of the wire 16 to the Wheatstone bridge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB212645A GB588061A (en) | 1945-01-26 | 1945-01-26 | Improvements in strain gauges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB212645A GB588061A (en) | 1945-01-26 | 1945-01-26 | Improvements in strain gauges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB588061A true GB588061A (en) | 1947-05-13 |
Family
ID=9734057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB212645A Expired GB588061A (en) | 1945-01-26 | 1945-01-26 | Improvements in strain gauges |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB588061A (en) |
-
1945
- 1945-01-26 GB GB212645A patent/GB588061A/en not_active Expired
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