DV-4D, Teledyne Vacuum Gauge Tube

DV-4D, Teledyne Vacuum Gauge Tube. Teledyne Hastings DV-4D thermocouple vacuum gauge tubes have an extra strong housing and can measure pressure between 0.01 and 20 Torr (10 to 20,000 mTorr). Teledyne Hastings DV-4D vacuum sensors are calibrated for nitrogen or air, but conversion factors for other gases are available. The Teledyne Hasting DV-4D tubes are matched and interchangeable without calibration adjustments.
NSN 4710001155994
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