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Strain gauge VA61X

VA (Full bridge)

Full bridge strain gauges of A series coming with four measurement grids already completing the wheatstone bridge. This could be used for a variaty of different applications where only side of a specimen allows an strain gauge installation.

  • Different sizes including miniature designs.
  • Aluminum or steel adapted temperature response.
  • Up to 5000 Ohm resistance.
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A Series Transducer Strain Gauges: Ensure Maximum Precision and Quality of Your Transducers

The A series universal strain gauges are optimised for transducer manufacturers. Combining the most common constantan measuring grid foils with a high-performance modified PEEK carrier material provides strain gauges that unite easy handling with high accuracy and outstanding humidity behavior. 

A series come in different geometries, resistance values, and grid lengths as standard. Custom designs can be developed in just a few weeks.

Robust

  • Excellent chemical resistance
  • Very low water absorption and resistance to humidity
  • Small radii of curvature are possible, allowing for installation in small drill holes

Easy handling during installation and long service life.

Precise

  • Very high stiffness (modulus of elasticity) and, thus, capable of transferring the measuring body’s deformation directly to the measuring grid
  • Higher thermal conductivity than polyimide

Suitable for transducers with high accuracy requirements.

Flexible

  • Over 30 different standard versions for steel or aluminum with 10 different creep adjustments
  • Various options available such as encapsulation, pre-coating with adhesive, or pre-tinned solder tabs
  • Custom designs possible

Perfect for your solution, regardless of whether it is standard or custom.

Code Measuring grid length [mm] Measuring grid length [in] Measuring grid width [mm] Measuring grid width [in] Carrier length [mm] Carrier length [in] Carrier width [mm] Carrier width [in] Nominal resistance Temperature response Connection configuration Mounting
K-VA71K1.6/350LE 1.6 mm 0.063 in 1.7 mm 0.067 in 8 mm 0.315 in 7.7 mm 0.295 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Leads Bondable
K-VA51K1.8/350BE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
K-VA61K2.5/350_E 2.5 mm 0.098 in 2.6 mm 0.102 in 10.4 in 0.409 in 9.1 mm 0.358 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
K-VA73K1.6/350LE 1.6 mm 0.063 in 1.7 mm 0.067 in 8 mm 0.315 in 7.7 mm 0.295 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Leads Bondable
K-VA31K1.9/350BE 1.9 mm 0.075 in 2.8 mm 0.11 in 11.7 mm 0.461 in 7.3 mm 0.287 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
K-VA61K2.5/350LE 2.5 mm 0.098 in 2.6 mm 0.102 in 10.4 in 0.409 in 9.1 mm 0.358 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Leads Bondable
K-VA51K1.8/350LE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Leads Bondable
1-VA63K2.5/350_E 2.5 mm 0.098 in 2.6 mm 0.102 in 10.4 in 0.409 in 9.1 mm 0.358 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable
1-VA61K2.5/350_E 2.5 mm 0.098 in 2.6 mm 0.102 in 10.4 in 0.409 in 9.1 mm 0.358 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
1-VA23K3/350_E 3 mm 0.118 in 2.1 mm 0.083 in 17.8 mm 0.701 in 7 mm 0.276 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable
1-VA21K3/350_E 3 mm 0.118 in 2.1 mm 0.083 in 17.8 mm 0.701 in 7 mm 0.276 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
1-VA53K1.8/350_E 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable
1-VA53K1.8/1K0_E 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 1000 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable
1-VA51K1.8/350_E 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
K-VA73K1.6/350BE 1.6 mm 0.063 in 1.7 mm 0.067 in 8 mm 0.315 in 7.7 mm 0.295 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
1-VA71K1.6/350_E 1.6 mm 0.063 in 1.7 mm 0.067 in 8 mm 0.315 in 7.7 mm 0.295 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
K-VA53K1.8/350LE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Leads Bondable
K-VA51K1.8/1K0LE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 1000 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Leads Bondable
K-VA53K1.8/350BE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
1-VA31K1.9/350_E 1.9 mm 0.075 in 2.8 mm 0.11 in 11.7 mm 0.461 in 7.3 mm 0.287 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
K-VA71K1.6/350BE 1.6 mm 0.063 in 1.7 mm 0.067 in 8 mm 0.315 in 7.7 mm 0.295 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
K-VA61K2.5/350BE 2.5 mm 0.098 in 2.6 mm 0.102 in 10.4 in 0.409 in 9.1 mm 0.358 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
K-VA21K3/350BE 3 mm 0.118 in 2.1 mm 0.083 in 17.8 mm 0.701 in 7 mm 0.276 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
K-VA21K3/350LE 3 mm 0.118 in 2.1 mm 0.083 in 17.8 mm 0.701 in 7 mm 0.276 in 350 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Leads Bondable
K-VA53K1.8/1K0LE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 1000 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Leads Bondable
1-VA51K1.8/1K0_E 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 1000 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable
1-VA33K1.9/350_E 1.9 mm 0.075 in 2.8 mm 0.11 in 11.7 mm 0.461 in 7.3 mm 0.287 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Leads Bondable
K-VA33K1.9/350BE 1.9 mm 0.075 in 2.8 mm 0.11 in 11.7 mm 0.461 in 7.3 mm 0.287 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)
1-VA73K1.6/350_E 1.6 mm 0.063 in 1.7 mm 0.067 in 8 mm 0.315 in 7.7 mm 0.295 in 350 Ohms Aluminium (23 ppm/K; 12.8 ppm/°F) Integrated solder tabs Bondable
K-VA51K1.8/1K0BE 1.8 mm 0.071 in 1.8 mm 0.071 in 8.3 mm 0.327 in 6.8 mm 0.268 in 1000 Ohms Ferritic steel (10.8 ppm/K; 6.0 ppm/°F) Integrated solder tabs Bondable (adhesive pre-applied)

File

Description

Type

Languages

Size
A Series - Data Sheet (B05397)

A Series - Data Sheet

 Technical Document English 40 KB
Strain Gauges and Accessories - Statement of Compliance (C05550)

Strain Gauges and Accessories - Statement of Compliance

 Certificate English 297 KB
Strain Gauges for Transducer Manufacturers - Catalog (S01266)

Strain Gauges for Transducer Manufacturers - Catalog

 Marketing Document English 3 MB
VA (Full bridge)
Type/technology Foil strain gauge
Application Manufacturing transducers
Geometry Full bridge circuit
Measuring grid length [mm] 3 mm, 1.9 mm, 1.8 mm, 2.5 mm, 1.6 mm
Measuring grid length [in] 0.118 in, 0.075 in, 0.071 in, 0.098 in, 0.063 in
Measuring grid width [mm] 2.1 mm, 2.8 mm, 1.8 mm, 2.6 mm, 1.7 mm
Measuring grid width [in] 0.083 in, 0.11 in, 0.071 in, 0.102 in, 0.067 in
Carrier length [mm] 17.8 mm, 11.7 mm, 8.3 mm, 10.4 in, 8 mm
Carrier length [in] 0.701 in, 0.461 in, 0.327 in, 0.409 in, 0.315 in
Carrier width [mm] 7 mm, 7.3 mm, 6.8 mm, 9.1 mm, 7.7 mm
Carrier width [in] 0.276 in, 0.287 in, 0.268 in, 0.358 in, 0.295 in
Temperature range Standard (up to 200°C)
Nominal resistance 350 Ohms, 1000 Ohms
Gauge factor (measuring grid material) Constantan (ca 2.0)
Temperature response Ferritic steel (10.8 ppm/K; 6.0 ppm/°F), Aluminium (23 ppm/K; 12.8 ppm/°F)
Maximum elongation Standard
Fatigue life Standard
Connection configuration Integrated solder tabs, Leads
Mounting Bondable, Bondable (adhesive pre-applied)
Grid protection Covered

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