Omega Engineering Manometers Power supplies for stepper drives, sensors, transducers, strain gages, and general purpose use. Linear regulated and switching supplies, adjustable voltages and fixed voltages. Manometer with Datalogging and USB Manometer with Datalogging and SD Card Handheld Smart Manometer Basic Manometer Manometer with Both Positive and Negative Pressure Display Barometric Smart Manometer Basic Manometer for Ultra Low Pressure Ranges Manometer with RS232 Output SERIES AVUL AIR VELOCITY TRANSMITTER