Teledyne DNV-33D - Manuals

page 7 SECTION II Operating Principle The operation of Hastings vacuum gauges uses a patented noble metal thermopile circuit. Thehot junctions of the thermopile are heated directly by an AC current while an equal number ofcold junctions are kept at ambient temperature by heavy mounting studs. Thus a...

page 9 3.0 OPERATION OF VACUUM GAUGE 3.1 3.1 3.1 3.1 3.1 P P P P Pooooow w w w wer er er er ering of ing of ing of ing of ing of V V V V Vacuum Gauge acuum Gauge acuum Gauge acuum Gauge acuum Gauge Plug the 8 ft. power cable into a single phase 115 VAC (DNV-33D) or 230 VAC (ENDV-33D)line. A line fre...

page 10 Warranty and Repair 4.2 4.2 4.2 4.2 4.2 DNV DNV DNV DNV DNV-33 Calibra -33 Calibra -33 Calibra -33 Calibra -33 Calibration tion tion tion tion All calibration voltages are factory set and will rarely change. The methods for checking gaugecalibration are detailed below: 4.2.1 4.2.1 4.2.1 4.2....