Extended ranges are now available for the Additel 761 Series Automated Pressure Calibrators. With a built-in high performance electronic pump and precision pressure controller, the 761 Series provides a turn-key solution for calibration of gauges, transmitters, and switches both in the field and in the laboratory. A high pressure range of 600 psi, absolute sensor options for nearly ever range, a very low pressure range, and a barometer range have been released.