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Sensors & Instrumentation :: Vacuum Measurement :: Accessories :: NIST Reference Tubes
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20 T reference tube (DV-4D)

Order Code: 55-101
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Min. Order:1
Supplier:Teledyne Hastings Instruments

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Fast, accurate vacuum gauge calibration is easy with Hastings NIST calibrated Reference Tubes. Using the same noble metal theropile designed for operating vacuum sensors, Reference Tubes are evacuated, sealed in a glass shell and marked with pressure readings. Instrument calibrations merely require users to replace a working gauge tube with the Reference Tube and a simple "Current Set" potentiometer adjustment to match instrument to reference. Reference Tubes are ideal trouble-shooting and maintenance tools.