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Electronic Extensometer
Electronic Extensometers ( Model : FEE-5 )
- This instrument is to be used on Tensile or Universal testing machines to find out Proof stress & Young's modulus values.
- In case of many brittle materials such as high carbon steels, alloy steels, light aluminium & magnesium alloys, it is difficult to get yield values. For such materials stress corresponding to a certain allowable amount of plastic deformation is termed as proof stress say 0.1% or 0.2% proof stress.
- The measuring range is upto 5mm & resolution is 0.001mm.
- Standard two fixed gauge lengths of 25 & 50 mm is provided. Different sizes gauge lengths can also be given at an additional cost.
- If this extensometer is ordered with a computerized UTM, then a special menu driven application software is provided, which accepts load & extension values, & evaluates proof stress values.
- The measurement accuracy satisfies all requirements of class-I as per IS:12872-1990.
Technical Specifications - For Electronic Extensometer-Model-FEE-5
| Accuracy |
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Class 1 as per IS 12872 / ISO 9513 |
| Type |
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Strain Gauge type |
| Out-put |
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0.3 mV / V / mm. (approx) |
| Excitation |
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10 V. DC Nominal. |
| Measuring range |
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5 mm. |
| Nominal resistance of bridge |
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350 ohm |
| Gauge length |
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25 mm/50mm by means of extender |
| Resolution |
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0.001 mm |
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