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Micro-Measurements
General Purpose Strain Gages

250TB

Description   General-purpose two-element 90° tee rosette. High-resistance version of 250TA pattern. 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 0.425 CP    10.80 CP
Grid Width 0.300 ES    7.62 ES
Overall Width 0.680 CP    17.27 CP
Matrix Length 0.63    16.0
Matrix Width 0.81    20.6


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