Omega EngineeringDecibel Meters Power supplies for stepper drives, sensors, transducers, strain gages, and general purpose use. Linear regulated and switching supplies, adjustable voltages and fixed voltages.Handheld, 30 to 130 dB Digital Sound Meter with Data LoggerLow Cost, 30 to 130 dB Sound Level Data LoggerHandheld, 37-130 dB, Sound Level Meter
