KFWS Series
Small-sized Waterproof Foil Strain Gages

KFWS

Summary

The KFWS series foil strain gages are small-sized waterproof gages suitable for outdoor or underwater strain measurement where gage 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.

Click here for the [Strain Gages with Pre-attached Lead Cables]

Major Properties

Materials Resistive element CuNi alloy foil
Materials Base Polyimide
Operating temperature in combination with major adhesives after curing (°C) CC-33A: -10 to 80ºC
CC-36: -10 to 80ºC
Operating temperature in combination with major leadwire cables (°C) Vinyl-coated flat cable (L-6, L-7): -10 to 80ºC
Self-temperature-compensation (°C) 10 to 80ºC
Applicable linear expansion coefficients (×10-6/℃) 11, 16, 23
Strain limits at normal temp. (approx. %) 5.0
Fatigue lives at normal temp. (times) 3x104 (±1500μm/m)

Contents

When ordering, please suffix the lead-wire cable code to the model number with a space in between.

e.g.
KFWS-2N-120-C1-11 suffixes L3M2R for the gage with a 3 m long vinyl-coated flat 2-wire cable becomes
KFWS-2N-120-C1-11 L3M2R

For details, please refer to the [Strain Gages with Pre-attached Lead Cables]

Products table

All display

KFWS 120Ω Uniaxial

Model Dimensions (mm)
Gage(Grid) Base
Length Width Length Width
KFWS-2N-120-C1-11 2 0.8 15 6
KFWS-2N-120-C1-16 2 0.8 15 6
KFWS-2N-120-C1-23 2 0.8 15 6

KFWS120Ω Biaxial, 0°/90°stacked rosette

KFWS-120-D16

Model Dimensions (mm)
Gage(Grid) Base
Length Width Length Width
KFWS-2-120-D16-11 2 1.2 15 12
KFWS-2-120-D16-16 2 1.2 15 12
KFWS-2-120-D16-23 2 1.2 15 12

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