Back to results
US 5,661,229 AGranted
Test gas detector, preferably for leak detectors, and process for operating a test gas detector of this kind
AssigneeLeybold Aktiengesellschaft
InventorsThomas Bohm, Ulrich Dobler
Life of this patent
Estimating the term…
Abstract
The invention relates to a test gas detector, preferably for leak detection instruments, with a selective, preferably test-gas-permeable inlet system (6) and with a device (5) recording the presence of test gas; to reduce the complexity in the production of the vacuum it is proposed that the test gas recorder (5) comprise a gas consuming vacuum gauge (8).
Claims8
A test gas detector comprising:
- an inlet;
- a gas consuming vacuum gauge for recording the presence of a test gas passing through said inlet;
- a porous sintered metal disc disposed in said inlet;
- and
- a quartz glass layer deposited on said disc.
2 more elements
Dependencies are inferred from the claim text.