Full Bridge Strain Gauges with 4 Measuring Grids for Measurements on Tension/Compression Bars and Torsion Bars and for Determining Shear Stresses

VY full bridge strain gauges (SGs) have 4 measuring grids, which are arranged so that each is offset to the next at an angle of 90°. Typical applications for full bridge SGs include measurements on tension/compression bars and torsion bars and determining shear stresses as they occur in shear beams.

HBM offers you the following full bridge strain gauges with 4 measuring grids:

  • VY1 0°/90° T full bridge with different temperature response adapted for steel or to customer specification (available with a nominal (rated) resistance of 120 ohms)
  • VY4 shear/torsion full bridge with different temperature responses adapted for steel, aluminum or to customer specification (available with nominal (rated) resistances of 120 and 350 ohms).

Further information about performing measurements with VY1 and VY4 is available in our brochure "Use of the Wheatstone Bridge Circuit" and in our specialist publication "An Introduction to Measurements Using Strain Gauges".

The measuring grid consists of constantan; the material of the measuring grid carrier is polyimide.

 

Ordering number 

Nominal (rated) resistance

Dimensions [mm/inch]

Vmax 

Solder terminals

Preferred types

Measuring grid

Carrier

Ω

a

b

c

d

 

1-VY1x-3/120

120

3
0.118

7
0.276
13.5
0.531
13.5
0.531
6 LS5/7 1
1-VY1x-6/120

120

6
0.236

14
0.551
23
0.906
23
0.906
12 LS5/7 1
 

Ordering number

Nominal (rated) resistance

Dimensions [mm/inch]

Vmax 

Solder terminals

Preferred types

Measuring grid

Carrier

Ω

a

b

c

d

1-VY34-3/120

120

3
0.118

1.3
0.051

9.8
0.386
10
0.394
3.5 LS7 1

1-VY4x-6/120

120

6
0.236

2.7
0.106
18
0.709
17
0.669
7.5 LS4 -

1-VY4x-3/350

350

3
0.118

1.2
0.047

9.8
0.386

10
0.394

6

LS7

1,3

1-VY4x-6/350

350

6
0.236

2.7
0.106
18
0.709
17
0.669
13 LS4 -

 

 

 

Ordering number

Nominal (rated) resistance

Dimensions [mm/inch]

Vmax

Solder terminals

 

 

Preferred types

Measuring grid

Carrier

Ω

a

b

c

d

1-MY2x-6/120

120

6
0.236

- 7.3
0.287
- 3.5 LS7 -

1-MY2x-15/350

350

15
0.591

- 17
0.669
- 13 LS5 1

 

 

The following temperature matching codes (1 … 9) apply to all types

1 = Ferritic steel (10.8 ppm/K; 6.0 ppm/°F)
3 = Aluminum (23 ppm/K; 12.8 ppm/°F)
5 = Austenitic steel (16 ppm/K, 8.9 ppm/°F)
6 = Silica/composite (0,5 ppm/K; 0.3 ppm/°F)
7 = Titanium and gray cast iron (9 ppm/K; 5.0 ppm/°F)
8 = Plastic (65 ppm/K; 36.1 ppm/°F)
9 = Molybdenum (5.4 ppm/K; 3.0 ppm/°F)

Remarks on Y Series

1) Strain gages are available in various temperature matches.
Insert the code in place of the placeholder “” to get the ordering number of the strain gage you need

2) Only available in matches for aluminum, ferritic and austenitic steel

3) Maximum permissible effective supply voltage (specified for steel)

4) Preferred types (available from stock) with the temperature matches specified in the column

5) With application aid (cut-to-size polyimide adhesive strip for easy positioning)

 

 

Full bridge (4 grids)

VY1

T-full bridge strain gauge with leads

VY4

Shear/Torsion full bridge strain gauge with tabs

MY2

Diaphragm rosette strain gauge with leads

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