OVERVIEW

Here you will find the pumpdown and calibration data for the high vacuum sensors used on the Small-Scale Multipurpose High Vacuum System V4 design. Graphs, charts, sensor data, calibration curves, and general info for the V4 design will be added and updated as tests are run.

I. FORELINE

General Foreline Parameters:

  • Roughing Pump – Yellow Jacket SuperEvac 93560
  • Low Vacuum Foreline Sensor – VGT-1504 Thermocouple Gauge (S/N 5078)
  • Foreline Trap – FL20K Foreline Trap w/ Zeolite Pellets
  • Foreline Isolation – Norcal 90 Degree Manual KF25 Valve
  • Ultimate Tested Foreline Pressure (Isolated) – 2 x 10^-3 Torr (2 microns)
  • Ultimate Backing Pressure (Isolated) – 1.25 x 10^-2 Torr (12.5 microns)
  • Ultimate Backing Pressure (Full System) – TBD

Graphs and Data for the Foreline Vacuum Sensor:

VGT-1504, SN 5078, Thermocouple Gauge Calibration Data

PDF FILE: VGT-1504, SN 5078, Thermocouple Gauge Calibration Curve – 02-13-2018