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Micro-Measurements
General Purpose Strain Gages

250TR

Description   Two-element 90° rosette for shear-strain and torque measurements. EK-Series gages are supplied with duplex copper pads (DP) when optional feature W or SE is not specified.


See Catalog 500 for detailed pattern.


Dimensions (1) in    mm
Gage Length 0.250 ES    6.35 ES
Overall Length 0.550 CP    13.97 CP
Grid Width 0.250 ES    6.35 ES
Overall Width 0.794 CP    20.17 CP
Matrix Length 0.70    17.8
Matrix Width 0.96    24.4


Gage Designation (2)   Resistance (3)   Options
EA-XX-250TR-120     120 ±0.2% W , E , L , LE
EA-XX-250TR-350     350 ±0.2% W , E , L , LE
EK-XX-250TR-10C     1000 ±0.2% W , SE
S2K-XX-250TR-10C     1000 ±0.4%
WA-XX-250TR-120     120 ±0.4% W *
WA-XX-250TR-350     350 ±0.4% W *
WK-XX-250TR-350     350 ±0.4% W *
WK-XX-250TR-10C     1000 ±0.4% W *
SA-XX-250TR-120     120 ±0.4%
SA-XX-250TR-350     350 ±0.4%
SK-XX-250TR-350     350 ±0.4%
SK-XX-250TR-10C     1000 ±0.4%


(1) ES = Each Section, CP = Complete Pattern.
(2) Insert desired STC number in space marked XX.
(3) In ohms. Tolerance is increased when Option W, E, SE, LE, or P is specified.
* Options available but not normally recommended. See the discussion on Optional Features