Vacuum Measuring Gauges Vacuum Measuring Gauges Specification: Analog Pirani Gauge (Measuring Range: Atmosphere to 10-3mbar)Analog Penning Gauge (10-2mbar to 10-6mbar)Digital Pirani Gauge (Measuring Range: Atmosphere to 10-3mbar)Digital Penning Gauge (10-2mbar to 10-6mbar)Readout Controllers