tube tester meaning in Hindi

Examples

1. The tube tester was about the size of a slot machine.
2. Accordingly, tube testers vanished nearly as fast as the Edsel.
3. In tube equipment, a tube tester or simple substitution of a good tube is useful.
4. Historically, mhos antedate Siemens by many decades; good vacuum-tube testers, for instance, gave transconductance readings in micromhos.
5. Which brings me to the tube tester.
6. Until the early 1980s, every Thrifty store featured a tube tester, usually located near the cosmetics display case.
7. You can still buy slide rules on e-Bay, but I haven't found anyone offering a tube tester for sale.
8. The " advantage " of an emission tester is that from all types of tube testers, it provides the most reliable warning of tube wear-out.
9. The only consumer item I can think of that vanished quicker than tube testers were slide rules, once pocket calculators became affordable in the early 1970s.
10. In the day of tube radio and television it was common in the US for local drug stores to have vacuum tube testers, and sell replacement tubes.