簡介
KFWS Series
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 waterproof resin is as thin as 1.3 mm, making them flexible enough to be bonded to a curved surface of 10 mm diameter.
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 waterproof resin is as thin as 1.3 mm, making them flexible enough to be bonded to a curved surface of 10 mm diameter.
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Contents
When ordering, suffix the lead-wire cable code to the model number with a space in between.
E.g.
For the gage with a vinyl-coated flat 2-wire cable 3 m long
→ KFWS-2N-120-C1-11 L3M2R
| Materials Resistive element | CuNi alloy foil |
| Materials Base | Polyimide |
| Operating temperature in combination with major adhesives after curing (°C) | CC-33A: -10 to 80ºC EP-340: -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) |