The Digital Pirani Gauges are specialized monitoring instruments designed for the accurate measurement of high vacuum in the Pirani Range upto 0.001 mBar. The indicator is panel mounting type with a Pirani Gauge Head ( Sensor ) which can be clamped onto the point of measurement using a KF Clamp fitting . The instrument measures accurately in the Pirani vacuum range from 999 mBar ( Atmospheric ) to 0.001 mBar ( 1 micron ).