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Text version of the page
Speciļ¬cations
strain gage constructionfoil SG complete with embedded measuring gridmeasuring gridmaterialCrNi special alloythickness µ m5carriermaterial µ mpolyimidethickness45 10covermaterial µ mpolyimidethickness25 5connectionsnickel plated Cu leads, approx. 30mm in length nominal resistance ā¦ 120, 350 depending on SG typeresistance tolerance0.35gage factorapprox.2.2nominal value of the gage factorspecied on each packagegage factor tolerance1temperature coefficient of the gage factorspecied on each package reference temperatureC23 operating temperature rangefor absolute, i.e. zero point related measurementsC-200 + 200for relative, i.e. not zero point related measurementsC-269 + 250 transverse sensitivitywithin reference temperature range using adhesive Z 70- 0.15 on strain gage type LC11-6/120 temperature responsetemperature response at customers choice matched to the thermal expansion coefficient Ī± for ferritic steel1/K10.8 106 Ī± for aluminum1/K23 10
6 tolerance of the temperature response1/K0.6 10
6 temperature response with matching in the range ofC-200 + 250 mechanical hysteresis
1) at reference temperature and strain Īµ = 1,000 µ m/mon strain gage type LC11-6/120at 1st load cycle and adhesive Z 70 µ m/m1.25at 3rd load cycle and adhesivef Z 70 µ m/m0.75 maximum elongation
1) at reference temperature using adhesiveZ 70on strain gage type LC11-6/120absolute strain value e for positive direction µ m/m20,000 ( 2 )absolute strain value e for negative direction µ m/m100,000 ( 10 ) fatigue life1)at reference temperature using adhesive Z 70 on strain gage typeLC11-6/120number of load cyclesLwatalternating strain Īµ w= 1,000 µ m/m and zero point drift Īµ m ā
300 µ m/m 10
7 (test was interrupted at 10
7 ) Īµ m ā
30 µ m/m 10
7 (test was interrupted at 10
7 ) minimum radius of curvature, longitudinal and transverse, at reference temperaturewithin the measuring grid areamm0.3within the area of the solder tabsmm2bonding material that can be usedcold curing adhesivesZ 70; 60; 280hot curing adhesivesEP 250; EP 310S
1) The data depend on the various parameters of the specic application and are therefore stated for representative examples only.