u gauges

U gauges come in different size and concentrate more sensitive material over a small area in a single gauge, achieving devices with very high impedance. Thermal sensitivity can be managed with all applications. These strain gauges are used to achieve very high performance on all parts on which they are applied.

SEMICONDUCTOR STRAIN GAUGES PRODUCT CODING

 

Semiconductor Strain Gauge (SS) – Total Length (X) – Active Length (Y) – Nominal Resistance – Shape (blank if bar)

Example: SS-018-011-3000 PU

Semiconductor Strain Gauge; Total Length 0.018 inch; Active Length 0.011 inch; Nominal Resistance at 25° C 3000 P; Shape U

SS-018-011-3000 PU
SIZE

Total Length mm (inch): 0.457 (0.018)

Active Length mm (inch): 0.279 (0.011)

Width mm (inch): 0.305 (0.012)

Lead attachment: Ball Bond

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 3000±150

Gauge Factor: 100±10

TCGF: -23%

TCR: 42%

SS-047-025-350 PU
SIZE

Total Length mm (inch): 1.194 (0.047)

Active Length mm (inch): 0.635 (0.025)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 325±40

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

 

 

SS-060-033-300PU
SIZE

Total Length mm (inch): 1.524 (0.06)

Active Length mm (inch): 0.838 (0.033)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 325±40

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

SS-080-050-10000PU
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.33 (0.013)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 10000±1000

Gauge Factor: 175±10

TCGF: -23%

TCR: 42%

SS-028-008-400 PU
SIZE

Total Length mm (inch): 0.711 (0.028)

Active Length mm (inch): 0.203 (0.008)

Width mm (inch): 0.406  (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 400±40

Gauge Factor: 150±10

TCGF: -18%

TCR: 24%

SS-047-025-500 PU
SIZE

Total Length mm (inch): 1.194 (0.047)

Active Length mm (inch): 0.635 (0.025)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 140±10

TCGF: -13%

TCR: 16%

SS-060-033-500PU
SIZE

Total Length mm (inch): 1.524 (0.06)

Active Length mm (inch): 0.838 (0.033)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 140±10

TCGF: -12%

TCR: 14%

SS-095-060-350PU
SIZE

Total Length mm (inch): 2.413 (0.095)

Active Length mm (inch): 1.524 (0.06)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 350±50

Gauge Factor: 120±10

TCGF: -9%

TCR: 5%

SS-037-022-500 PU
SIZE

Total Length mm (inch): 0.934 (0.037)

Active Length mm (inch): 0.558 (0.022)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 150±10

TCGF: -13%

TCR: 17%

SS-047-025-1000 PU
SIZE

Total Length mm (inch): 1.194 (0.047)

Active Length mm (inch): 0.635 (0.025)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 1000±100

Gauge Factor: 160±10

TCGF: -20%

TCR: 28%

SS-060-033-2000PU
SIZE

Total Length mm (inch): 1.524 (0.06)

Active Length mm (inch): 0.838 (0.033)

Width mm (inch): 0.406 (0.016)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 2000±100

Gauge Factor: 155±10

TCGF: -18%

TCR: 24%

STANDARD GAUGE SPECIFICATION

 

Materials Doped Silicon, single crystal
Operating strain +/- 3000 µm/m (standard); +/- 9000 µm/m (special)
Linearity better than +/- 0.25% to 600 µm/m; better than 1.5% to 1500 µm/m
Operating temperature 260°C (standard)

 

IF YOU USE MORE THAN ONE GAUGE IN COMBINATION, MINIMIZE THERMAL IMBALANCE AND DRIFT BY SELECTING SETS OF THERMALLY MATCHED GAUGES

STANDARD MATCHING

 

Temperature % of base resistance
-18°C +/- 0.6%
25°C +/- 0.4%
135°C +/- 0.4%

MIL SPEC MATCHING TO TIGHTER TOLERANCE AND ADDITIONAL TEMPERATURE POINTS AVAILABLE

S1 - Single gauge

Resistance measured at -18°C, 25°C, 135°C

S2 - Matched set of 2 gauges

Both resistances  thermally matched (-18°C, +135°C)

S4 - Matched set of 4 gauges

All resistances  thermally matched (-18°C, +135°C)

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