Omega Products SGK-B3A-K350U-PC11-E User Manual

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3

1

F

A

2

4

b

h

KARMA STRAIN GAGES

IN

REGULATED

DC

V

1

OUT

V

2

3

4

–

+

–

+

+ Sig

- Sig

- Exc

+ Exc

BD

A

C

TEE ROSETTE GAGES

⻬ K-Series, Transducers Quality
⻬ Good Linearity Over Wide Temperature Range

-75 to 200°C (-100 to 392°F)

⻬ Good Fatigue Life
⻬ Custom Gages Available—Fast Delivery

OMEGA®offers K-Series Tee Rosettes for Axial strain transducer
designs.

Three different Tee Rosette styles available:

SGK-B3A-K350U -***** has 2 separate strain gages with

perpendicular grids on a single carrier.

SGK-BH3A-K350U-***** is a half-bridge design, with
2 strain gages, perpendicular grids with a common
lead/pad on a single carrier.

SGK-B5A-K350W-***** is a half-bridge Tee Rosette design,
often used for column load cell design where high accuracy is a
requirement. The geometry for this strain gage is shown with the
tabs along the top, and the center strain gage is vertical, and used
for the principal stress direction in the column. The Perpendicular
grid is split, half on each side. This may also be known as transverse
grid. The transverse grid tends to correct for bending strain,
or off-axis loading in the column.

See
on

and

Equat

P

age

****

E-

13

i

ons

E-

12

PC11 or PC23

Axial Strain

AVAILABLE FOR FAST DELIVERY!

To Order (Specify Model Number)

PRICE NOM. DIMENSIONS
SHOWN PER RESIS­ACTUAL PKG TANCE

GRID CARRIER

mm (in)

SIZE MODEL NO. OF 5 (Ω)A B C D(Vrms)

7.5 mm

V

V

V

7.5 mm

V

V

V

9.8 mm

V

V

V

Maximum permitted bridge energizing voltage (Vrms).

*

Note: For strain gage accessories see pages E-56 to E-59.
Ordering Example: SGK-BH3A-K350U-PC11-E, package of 5,

Tee rosette for axial strain, half-bridge with a common solder pad,
nominal resistance 350 Ω, $60.

BONDABLE TERMINAL PADS

When installing strain gages with ribbon leads or
solder pads, use Bondable Terminal Pads (BTP)
between the strain gage and the wires to your
instrumentation.

The Bondable Terminal Pads provide a large easy
to use soldering area and provide strain relief between
the strain gage and the heavy instrument wires.

Using Bondable Terminal Pads is simple. Use the same
adhesive and bonding procedure on the Bondable
Terminal Pads as you use on the strain gage.

OMEGA offers BTPs in several sizes and wiring
configurations to fit most all strain gage applications.

SGK-B3A-K350U-PC11-E $60 350

SGK-B3A-K350U-PC23-E 60 350

V

SGK-BH3A-K350U-PC11-E 60 350

SGK-BH3A-K350U-PC23-E 60 350

V

SGK-B5A-K350W-PC11-E 70 350

V

V

V

SGK-B5A-K350W-PC23-E 70 350

3.2 4.0 7.5 10.8

(0.126) (0.157) (0.3) (0.43)

90° TEE rosette axial strain,

separate gages 350 Ω

3.2 4.0 7.5 10.8

(0.126) (0.157) (0.3) (0.43)

90° TEE rosette half-bridge,

common lead/pad 350 Ω

5.0 2.3 9.8 9.0

(0.197) (0.091) (0.39) (0.35)

Used for high accuracy

column load cells 350 Ω

DISCOUNT SCHEDULE

1 to 10 pkgs . . . . . . . . . . . . . . . . . . .Net

11 to 24 pkgs . . . . . . . . . . . . . . . . . .5%

25 to 49 pkgs . . . . . . . . . . . . . . . . .10%

50 and up and OEM . .Consult Factory

see page E-63 for ordering information.
BTP

BTPB

E-53

†

MAX V*

Terminal pad patterns,

BTPD

BTPC

BTPE

TERMINATION COMP

TEMP

12.5 Solder Pads ST

17.5 Solder Pads AL

12.5 Solder Pads ST

17.5 Solder Pads AL

11 Solder Pads ST

15 Solder Pads AL

E

NOT

ST = Steel
AL = Aluminum

† Dimensions Key:

GRID
A: Active gage length
B: Active gage width

CARRIER
C: Matrix length
D: Matrix width

One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | [e-mail]

EPG05

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