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BCM SENSOR multi-grid strain gauges are specially developed for manufacturing multi-axis force/torque transducers. For the purpose of this specific application, the multi-grid strain gauges are temperature and creep compensated.
The karma gauges can be manufactured with effective modulus compensation (EMC). The EMC gauges are mostly for manufacturing low-cost force transducers, because with the EMC gauges the manufacturers can eliminate the use of compensation resistors and achieve the sensitivity compensation.
For creep compensation, there are 18 creep codes: “N10, N9, N8, …, O, …, P5, P6, P7″. The “N10” is the most negative creep code, while the “P7″ is the most positive one. The “O” stands for a moderate creep code. For a specific strain gauge, please find its available creep code(s) at the column “&” in its selection chart. For a customized creep code, consult BCM SENSOR.
For more information on temperature compensation (STC), creep compensation, and EMC of strain gauges, please refer to the corresponding articles respectively on the website of BCM SENSOR.
EX, EX(A), QX
350Ω, …, 1200Ω
modified phenolic resin (F), modified polyimide resin (I), laminated polyetherketone (B), advanced laminated polyimide (A), laminated polyimide (L)
|Working Temperature Range||
-30~+80°C for backing F, -85~+150°C for backing I, -45~+150°C for backing B, -195~+200°C for backing A, -55~+150°C for backing L
|Tolerance Of Resistance||
constantan: 2.1±0.1, karma: 2.03±0.17
|Gauge Factor Dispersion||
|Maximum Working Strain||
up to ±30000µε
>10^7 at 1000µε