bar gauges

Bar gauges come in different size and are flexible, allowing installation of many gauges over a small area. Thermal sensitivity can be managed with all applications. These strain gauges are used in different types of sensors, such as high precision load cells, force and torque sensors, pressure transducers, accelerometers and bending beams.

SEMICONDUCTOR STRAIN GAUGES PRODUCT CODING

 

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

Example: SS-027-013-500 P

Semiconductor Strain Gauge; Total Length 0.027 inch; Active Length 0.013 inch; Nominal Resistance at 25° C 500 P

 

SS-027-013-500 P
SIZE

Total Length mm (inch): 0.686 (0.027)

Active Length mm (inch): 0.330 (0.013)

Width mm (inch): 0.229 (0.009)

Lead attachment: Ball Bond

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 155±10

TCGF: -18%

TCR: 24%

SS-060-033-750 P
SIZE

Total Length mm (inch): 1.524 (0.06)

Active Length mm (inch): 0.838 (0.033)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 750±90

Gauge Factor: 145±10

TCGF: -15%

TCR: 18%

SS-080-050-230 P
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 230±30

Gauge Factor: 120±10

TCGF: -9%

TCR: 5%

SS-080-050-500 P
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.203 (0.008)

Lead attachment: Ball Bond

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 140±10

TCGF: -13%

TCR: 16%

SS-090-060-1150 P
SIZE

Total Length mm (inch): 2.286 (0.09)

Active Length mm (inch): 1.524 (0.06)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 1125±75

Gauge Factor: 155±10

TCGF: -18%

TCR: 24%

SS-150-124-30 P
SIZE

Total Length mm (inch): 3.81 (0.15)

Active Length mm (inch): 3.145 (0.124)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.020 (0.0008)

ELECTRICAL

Resistance, Ω @ 25°C: 30±3

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

SS-037-022-500 P
SIZE

Total Length mm (inch): 0.934 (0.037)

Active Length mm (inch): 0.559 (0.022)

Width mm (inch): 0.229  (0.009)

Lead attachment: Ball Bond

Thickness mm (inch): 0.010 (0,0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 150±10

TCGF: -13%

TCR: 17%

SS-060-033-1000 P
SIZE

Total Length mm (inch): 1.524 (0.06)

Active Length mm (inch): 0.838 (0.033)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 1050±75

Gauge Factor: 155±10

TCGF: -18%

TCR: 24%

SS-080-050-345 P
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 345±40

Gauge Factor: 140±10

TCGF: -13%

TCR: 16%

SS-080-050-1000 P
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 1050±75

Gauge Factor: 155±10

TCGF: -18%

TCR: 24%

SS-150-124-15 P
SIZE

Total Length mm (inch): 3.81 (0.15)

Active Length mm (inch): 3.145 (0.124)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.025 (0.001)

ELECTRICAL

Resistance, Ω @ 25°C: 15±2

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

SS-150-124-40 P
SIZE

Total Length mm (inch): 3.81 (0.15)

Active Length mm (inch): 3.145 (0.124)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.018 (0.0007)

ELECTRICAL

Resistance, Ω @ 25°C: 40±4

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

SS-060-033-500 P
SIZE

Total Length mm (inch): 1.524 (0.06)

Active Length mm (inch): 0.838 (0.033)

Width mm (inch): 0.203 (0.0008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 540±50

Gauge Factor: 140±10

TCGF: -13%

TCR: 15%

SS-080-050-120 P
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 120±20

Gauge Factor: 120±10

TCGF: -9%

TCR: 5%

SS-080-050-500 P
SIZE

Total Length mm (inch): 2.032 (0.08)

Active Length mm (inch): 1.27 (0.05)

Width mm (inch): 0.203 (0.008)

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-090-060-500 P
SIZE

Total Length mm (inch): 2.286 (0.09)

Active Length mm (inch): 1.524 (0.06)

Width mm (inch): 0.203 (0.008)

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-150-124-25 P
SIZE

Total Length mm (inch): 3.81 (0.15)

Active Length mm (inch): 3.145 (0.124)

Width mm (inch): 0.203 (0.008)

Lead attachment: Welded

Thickness mm (inch): 0.023 (0.0009)

ELECTRICAL

Resistance, Ω @ 25°C: 25±3

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

SS-250-225-120 P
SIZE

Total Length mm (inch): 6.35 (0.25)

Active Length mm (inch): 5.715 (0.225)

Width mm (inch): 0.229 (0.009)

Lead attachment: Welded

Thickness mm (inch): 0.010 (0.0004)

ELECTRICAL

Resistance, Ω @ 25°C: 120±20

Gauge Factor: 100±10

TCGF: -10%

TCR: 6%

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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