Teledyne Hastings Instruments

The Digital VT vacuum indicator offers vacuum measurement for the DV-4 and DV-6 gauges tubes, and interchangeability with existing analog versions. It offers a 3-digit LED display, a 1/8 DIN package and a wall transformer with 5V output. The device is available for two specific ranges: DV-4 pressure range of 1 to 20 torr or the DV-6 pressure range of 1 to 999 mtorr, with jumper features that are factory set.