HBBF Concrete Strain Gauge Sensor Applications
Key Features:
BF Series BF Series BA Series
Backing material: phenolic, modified phenolic, and Polyimide
Grid material constantan Karma Constantan (Karma)
Typical resistance 120/350/1000, 350/1000/2000, 350/1000
Average resistance tolerance ≤ ±0.1%
Typical sensitivity 2.00~2.20, 1.80~2.20, 1.86~2.20
Sensitivity coefficient dispersion ≤ ±0.1%
Strain limit 2%
Fatigue life ≥ 107 (±1000)
Operating temp. range -30~+80
Temp. self-compensation coefficient 9, 11, 16, 23, 11, 16, 23, 11, 16, 23, 27
Specifications:
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Technical parameter
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BF-series
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Resistance
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120/350/1000 (Ω)
|
|
Sensitivity coefficient
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2.08±1% (A level)
|
|
Dispersion scope
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±1%
|
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Average output coefficient
|
1u/m/m℃
|
|
Output coefficient scope
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50 μm/m/°C
|
|
Strain limit
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2.5%
|
|
Fatigue life
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≥10000000 times
|
|
Working temperature
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-30-+80℃ -30-+150
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Grid material
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Constantan foil 40% nickel, 40% nickel, 1.5% copper, manganese alloy
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|
Gauge base material
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phenolic, epoxy, polyimide
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|
Gauge base thickness
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32±1 μm
|
|
Self-compensation
|
Temperature self-compensation and creep self-compensation
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|
Temperature self-compensation coefficient
|
9, 11, 16, 23, 27
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