OMEGA®STRAIN GAGES
a
b
a
b
FOR MONITORING BENDING STRAINS
To Order
TYPE SERIES PRICE NOMINAL GRID CARRIER BRIDGE TERMINAL
U Encapsulated with
Ribbon Leads
DY11
Temperature characteristics
matched to steel
DY13
Temperature characteristics
matched to aluminum
U Encapsulated with
Solder Pads
DY41
Temperature characteristics
matched to steel
DY43
Temperature characteristics
matched to aluminum
(Specify Model Number)
MODEL NO. PKG TANCE A B C D VOLTAGE PART NO. FIG.
SG-2/1000-DY11 $65 1000 2.1 2.7 8.0 9.0 5 TP-2 1
SG-3/1000-DY11 55 1000 3.0 3.0 9.0 9.0 10 TP-3 2
SG-7/1000-DY11 69 1000 7 .0 3.8 12.0 11.0 15 TP-3 3
SG-7/350-DY11 49 350 7 .0 3.8 12.0 11.0 15 TP-3 3
SG-2/1000-DY13 65 1000 2.1 2.7 8.0 9.0 5 TP-2 1
SG-3/1000-DY13 55 1000 3.0 3.0 9.0 9.0 10 TP-3 2
SG-7/1000-DY13 69 1000 7.0 3.8 12.0 11.0 15 TP-3 3
SG-7/350-DY13 49 350 7.0 3.8 12.0 11.0 15 TP-3 3
Diagrams to Actual Size
SG-2/1000-DY41 $59 1000 2.1 2.7 8.0 9.0 5 TP-2 1
SG-3/1000-DY41 49 1000 3.0 3.0 9.0 9.0 10 TP-3 2
SG-7/1000-DY41 59 1000 7.0 3.8 12.0 11.0 15 TP-3 3
SG-7/350-DY41 49 350 7.0 3.8 12.0 11.0 15 TP-3 3
SG-2/1000-DY43 59 1000 2.1 2.7 8.0 9.0 5 TP-2 1
SG-3/1000-DY43 49 1000 3.0 3.0 9.0 9.0 10 TP-3 2
SG-7/1000-DY43 59 1000 7.0 3.8 12.0 11.0 15 TP-3 3
SG-7/350-DY43 49 350 7.0 3.8 12.0 11.0 15 TP-3 3
Diagrams to Actual Size
PER
OF 5
DIMENSIONS [MM] PERMITTED ACCESSORY
RESIS- ENERGIZING PADS
(
Ω) (V RMS)
MAX
For Accessory Terminal
Pads, see page E-25.
For Accessory Terminal
Pads, see page E-25.
STRAIN GAGES
F
v
1
3
L
2
4
BENDING STRAIN
E-12
h
E
b
a
b
c
a
b
c
a
b
c
ab c
a
c
b
OMEGA®STRAIN GAGES
SPECIFICATIONS CHART
SG SERIES KFG SERIES
Foil strain gages are constructed by
embedding a foil measuring element into
a carrier.
Foil measuring grid Constantan foil 5 µm thick Constantan foil 6 µm thick
Carrier Polyimide Kapton
Substrate thickness 50 µm 15 µm
Cover thickness 25 µm 9 µm
Connection dimensions in (mm) [in] Solder pads or ribbon leads 27 AWG strand polyvinyl insulation
(30 long x.05 thick x 3 wide) (1 x 2) [.04 x .08]
[1.2 long x .002 thick x .012 wide]
Nominal resistance Stated in “to order” box 120 ±0.4 ohms
Resistance tolerance per package 0.5% 03%
Gage factor (µΩ/µ/µΩ) Approximately 2.0 2.10 ±10%
(actual value printed on each package)
Gage factor tolerance per package 1.0% 1.0%
Thermal Properties
Reference temperature 23°C/73°F 23°C/73°F
Service temperature:
Temperature characteristics:
Static measurements -30 to 250°C (-22 to 482°F) -20 to 100°C (-4 to 212°F)
Dynamic measurements -30 to 300°C (-22 to 572°F) -20 to 100°C (-4 to 212°F)
Steel 11 ppm°C (6.1 ppm°F) 10.8 ppm°C (6 ppm°F)
Aluminum 23 ppm°C (12.8 ppm°F) —
Uncompensated ±20 ppm°C (±11.1 ppm°F) —
Temperature compensated range -5 to 120°C (5 to 248°F) 10 to 80°C (50 to 176°F)
Tolerance of temp. compensation 1 ppm°C (0.5 ppm°F) 1 ppm°C (0.5 ppm°F)
Mechanical Properties
Maximum strain 3% or 30,000 µe 5% or 50,000 µe
Hysteresis Negligible Negligible
Fatigue (at ±1500 µe) > 10,000,000 cycles > 10,000,000 cycles
Smallest bending radius 3 mm (1⁄8 inch) 3 mm (1⁄8 inch)
Transverse sensitivity — Stated on each package
E-7
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EPG05
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