Home / Products tagged “varian 531” varian 531 Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by Name: Alphabetical Agilent / Varian 531 Vacuum Sensor | Thermocouple Gauge Tube | F0472301 Agilent 531 Vacuum Sensor an accurate and reliable thermocouple gauge tube with 1/8″ NPT, F0472301 accuracy range .001 Torr to 5 Torr. $130.59 Add to cart