Skip to main content
v2026.11,610 entries · CC-BY 4.0

Ask a research-administration question

Answers are drawn from CASRAI and the rest of the CASRAI corpus, with a link to every source.

Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this

CASRAI is the reference for research administration — bookmark it for the next question.

DigiVac Bullseye Replacement Thermocouple

SKU BEGT

Digivac

DigiVac Bullseye Replacement Thermocouple

in Vacuum Gauges

$90.30

In stock

Replacement thermocouple vacuum gauge tube for the DigiVac Bullseye precision gauge, equivalent to a type 531 thermocouple tube.

Buying through procurement?

Generate a formal quotation for 1 × this item, plus our W-9 — everything your finance department needs to raise a purchase order.

Ordering several items? Add them to your cart, then create one quote for the whole cart.

Description

Thermocouple Plus Vacuum Gauge Tube is economical version of the type 531 vacuum thermocouple vacuum sensor (VGT-500). Equivalent type 531 thermocouple vacuum gauge tube. Replacement tube for Digivac Bullseye Precision Gauge.
Soldered and rugged design for years of use
Perfect for OEM applications that require low cost readings in the 300-500 micron pressure range
Field replaceable sensor
Total Range: .001 to 760 Torr
Range with Accuracy: .001 to 6 Torr
Vacuum Interface: 1/8″ NPT
Can be converted to NW / KF interfaces with Female to KF adapter
Replacement vacuum gauge tube for the Bullseye Precision Gauge

Applications:
Freeze drying
Low pressure distillations
Foreline monitoring
Transformer dry out

Frequently asked questions

What does it replace?+

It is the replacement tube for the DigiVac Bullseye Precision Gauge, and DigiVac describe it as an equivalent to the type 531 thermocouple vacuum gauge tube (VGT-500).

How is it built?+

Soldered, in a design DigiVac describe as rugged.

What is the part number?+

BEGT.

Referenced across the research world

University of Cambridge logoColumbia University logoCrossref logoUniversity of Edinburgh logoHarvard University logoUniversity of Oxford logoPrinceton University logoStanford School of Medicine logoUniversity College London logoORCID logoUniversity of Cambridge logoColumbia University logoCrossref logoUniversity of Edinburgh logoHarvard University logoUniversity of Oxford logoPrinceton University logoStanford School of Medicine logoUniversity College London logoORCID logo
  • University of Cambridge logo
  • Columbia University logo
  • Crossref logo
  • University of Edinburgh logo
  • Harvard University logo
  • University of Oxford logo
  • Princeton University logo
  • Stanford School of Medicine logo
  • University College London logo
  • ORCID logo

View CASRAI adoption →