Models 9034 and 9038 are compact pressure calibrators with set-point control accuracy of up to ± 0.01% FS that are also capable of extraneous pressure measurement. The calibrators provide a pre-engineered solution for applying known stable pressures to electronic pressure scanners, or any pressure measurement device, for periodic calibration or verification. Model 9032 and 9033 are precision pressure standards capable of measuring dry non-corrosive gases to an accuracy of ± 0.01% FS. The Model 9032 Barometer offers an excellent solution for precision measurement of atmospheric pressures to complement differential electronic pressure scanners used in the acquisition of multiple pressures.