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Non-inductive Foil Strain Gages
Overview
The gage element is made of a special alloy which provides less magnetoresistant effect; also, the shape is designed to eliminate induction. Thus, the KFNB series foil strain gages allow the strain to be measured accurately under AC magnetic environments.

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Technical Information
Major Properties
Materials Resistive element NiCr alloy foil
Materials Base Polyimide
Operating temperature in combination with major adhesives after curing (°C) PC-600: -196 to 150ºC
CC-33A: -196 to 120ºC
Operating temperature in combination with major leadwire cables (°C) Vinyl-coated normal-temperature low-noise 3-wire cable (L-13): -10 to 80ºC
Self-temperature-compensation (°C) 0 to 150ºC
Applicable linear expansion coefficients (×10^-6/℃) 11, 16, 23
Strain limits at normal temp. (approx. %) 1.0
Fatigue lives at normal temp. (times) 1x10^4 (±1500μm/m)
Contents
When ordering, suffix the lead-wire cable code to the model number with a space in between.
KFNB-5-350-C9-11 with a vinyl-coated normal-temperature low-noise 3-wire cable 5 m long pre-attached
→ KFNB-5-350-C9-11 J5M3
If no lead-wire cable code is suffixed, the gage is delivered with 2 polyester-coated copper wires 10 cm long each.
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