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.



Electronic Extensometers


Technical Specification - For Electronic Extensometer - Model - FEE - 5
 Accuracy
 Class 1 as per IS 12872 / ISO 9513
 Type  Strain Gauge type
 Out-put  0.3 mV / V / mm. (approx)
 Excitation  10 V. DC Nominal.
 Measuring range  5 mm.
 Nominal resistance of bridge-  350 ohm
 Gauge length  25 mm/50mm by means of extender
 Resolution  0.001 mm