Omega EngineeringDual Parallel Strain Gauges Power supplies for stepper drives, sensors, transducers, strain gages, and general purpose use. Linear regulated and switching supplies, adjustable voltages and fixed voltages.Dual Parallel Grid, Linear Strain Gauges with Transducer QualityUniaxial, Half Bridge Strain Gauges with Transducer QualityKarma, Dual Parallel Linear Strain Gauges with a Common LeadDual Parallel Grid, Linear Strain Gauges