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STRAIN GAGES
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ROSETTES
To Order
TYPE SERIES PRICE NOMINAL GRID CARRIER BRIDGE TERMINAL
U 0°/45°/90°
Encapsulated with
Ribbon Leads
RY11
Temperature characteristics
matched to steel
(Specify Model Number)
MODEL NO. PKG TANCE A B C D VOLTAGE PART NO. FIG.
SG-3/120-RY11 $115 120 3.0 2.2 6.0 16.0 4 TP-3 1
SG-3/350-RY11 139 350 3.0 2.2 16.0 16.0 8 TP-3 1
SG-3/120-RY13 139 120 3.0 2.2 16.0 16.0 4 TP-3 1
PER
OF 5
DIMENSIONS [MM] PERMITTED ACCESSORY
RESIS- ENERGIZING PADS
(
Ω) (V RMS)
Diagrams to Actual Size
MAX
For Accessory
Terminal Pads,
see page E-25.
RY13
Temperature characteristics
matched to aluminum
U 0°/45°/90°
Encapsulated with
Solder Pads
RY31
Temperature characteristics
matched to steel
SG-3/120-RY31 $129 120 3.0 2.2 16.0 16.0 4 TP-3 1
SG-3/350-RY31 139 350 3.0 2.2 16.0 16.0 8 TP-3 1
SG-3/120-RY33 129 120 3.0 2.2 16.0 16.0 4 TP-3 1
Diagrams to Actual Size
For Accessory
Terminal Pads,
see page E-25.
RY33
Temperature characteristics
matched to aluminum
U 0°/60°/120°
Encapsulated with
Ribbon Leads
RY41
Temperature characteristics
matched to steel
RY43
Temperature characteristics
matched to aluminum
U 0°/60°/120°
Encapsulated with
Solder Pads
RY71
Temperature characteristics
matched to steel
RY73
Temperature characteristics
matched to aluminum
SG-3/120-RY41 $115 120 3.0 2.2 16.0 16.0 4 TP-3 1
SG-3/350-RY41 129 350 3. 0 2.2 16.0 16.0 8 TP-3 1
SG-3/120-RY43 139 120 3.0 2.2 16.0 16.0 4 TP-3 1
Diagrams to Actual Size
SG-3/120-RY71 $109 120 3.0 2.2 16.0 16.0 4 TP-3 1
SG-3/350-RY71 129 350 3.0 2.2 16.0 16.0 8 TP-3 1
SG-3/120-RY73 109 120 3.0 2.2 16.0 16.0 4 TP-3 1
Diagrams to Actual Size
For Accessory
Terminal Pads,
see page E-25.
For Accessory
Terminal Pads,
see page E-25.
E-13
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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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