Strain Gauges

Strain Gauges

  • A strain gauge detects a minute dimensional change (strain) as an electric signal. By measuring strain with the gauge bonded to a material or structure, the strength or safety will be known. Thus, the strain gauge is used in various industries including machinery, automobile, electric, civil engineering, medical, and food. The strain gauge is also adopted as a sensing element of force, pressure, acceleration, vibration, displacement, and torque transducers used for various purposes including measurement and control of production lines.

MOQ: 1 PK

Contact Information:
Tel:(02)2708-1730 #216   Mr. Wayne Wei

SKU: Strain Gauge Categories: ,
Picture Type Description
KFGS series New strain gauges with the world highest level performance.
KFRB series The KFRB series foil strain gauges are durable and easy-to-use high-grade strain gauges. The gauge element is sandwiched between heat-resistant polyimide base and cover, thereby letting it exhibit high performance in a wide temperature range.
KFWB

Waterproof Foil 

 The KFWB seres foil strain gauges have the surface covered with a special resin for waterproofing. The waterproof structure enables these gauges to serve for outdoor or underwater measurement merely by being bonded to measuring objects. The insulation resistance shows virtually no deterioration even after 100 hours of use under underwater pressure of approximately 10 MPa. In addition, the covering resin is flexible enough to enable easy bonding to curved surfaces.
KFWS

Small-sized Waterproof Foil 

 The KFWS series foil strain gauges are small-sized waterproof gauges suitable for outdoor or underwater strain measurement where gauge bonding space is limited. The waterproofing resin is as thin as 1.3 mm, making them flexible enough to be bonded to a curved surface of 10 mm diameter.
KCW

Weldable Waterproof Foil

 The KCW foil strain gauge are weldable gauge, which does not require any coating treatment for use under high pressure or under water. They are available in 2 types: G10 with 1 gauge and G14S with 4 gauges. The G10 type endures a water pressure of approximately 10 MPa.
KFRPB

for Composite Materials

 The KFRPB series foil strain gauges are self-temperature-compensation gauges (SELCOM gauges) suitable for strain measurement of composite materials such as CFRP and GFRP. The special gauge pattern minimizes the effect of self-heating due to gauge current and the effect of reinforcement of low-elasticity materials. To ensure accurate measurement by avoiding the self-heating effect of gauge current, consider the following: 1. Select a lower bridge excitation if the amplifier allows selection. 2. Active-dummy method. 3. 350Ω strain gages
KFRS

for Printed Boards

 PCB are used for varieties of products including mobile phones, car navigation systems and digital cameras. To evaluate the mechanical and thermal characteristics of these PCB, the KFRS gauges were developed by integrating the advantageous features of KFG and KFR gauges.

 

Adhesives and Bonding Tools

To obtain good measurement results, the strain gauge must be bonded firmly to the measuring object. Thus, it is important to select an adhesive suitable for the materials of both the object being measured and the gauge base, as well as for the measuring conditions.

 

Picture Type Description
CC-33A Instantaneous adhesive cured at normal temperature. Apply finger pressure (100 to 300 kPa) for 15 to 60 seconds. (Then, leave the gauge for 1 hour.)
CC-35 Instantaneous adhesive cured at normal temperature. Apply finger pressure (100 to 300 kPa) for 30 to 180 seconds. (After curing, leave the gauge for 1 hour or more.)
CC-36 Instantaneous adhesive cured at normal temperature. Apply finger pressure (100 to 300 kPa) for 30 to 60 seconds. (After curing, leave the gauge for 1 hour or more.)
EP-34B Cured at normal temperature or by heating. Apply pressure (30 to 50 kPa) for 24 hours at approx. 25°C or for 2 hours at 80°C.
PC-600 Cured by heating.  Apply pressure （150 to 300 kPa） for 1 hour at 80°C →2 hours at 130°C →2 hours at 150°C.
PI-32 Cured by heating. Apply pressure (200 to 500 kPa) for 1 hour at 100°C →2 hours at 200°C →2 hours at the operating temperature with the pressure removed.

Gauge Terminals

A gauge terminal is for connecting a strain gauge and lead wires to protect the gauge leads. It prevents the strain gauge from receiving force and the gauge leads from breaking or peeling off if the lead wires are pulled to some extent.

 

1. Industrial equipment structural stress detection

2. Auto parts stress detection

3. Civil engineering stress detection

4. Railway engineering stress detection

5. Electronic product manufacturing process stress detection

6. Digital measurement tool 

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