In better sets, the grid leak detector's output fed-after filtering out the RF-an audio amplifying valve, or occasionally more than one.
12.
The detector was usually a grid-leak detector, consisting of a triode tube biased near regenerative detector was used, to increase selectivity.
13.
The building s only gas leak detector did not activate after a power outage in the area hours before the blast.
14.
They are used for flavor and fragrance research at perfume and food and beverage companies and leak detectors at chemical plants.
15.
Astronaut Michael Foale and cosmonaut Alexander Kaleri discovered the leaky hose Sunday using a handheld ultrasound leak detector in the American-made laboratory.
16.
The solution is to use a Freon leak detector to locate the the leak, repair it, and recharge to unit with refrigerant.
17.
Foale and Kaleri discovered the leaky hose Sunday using a handheld ultrasound leak detector to track the hiss of the escaping air.
18.
"' Pfeiffer Vacuum SAS ( former adixen Vacuum Products ) "'is a French company that manufactures vacuum pumps, leak detectors and plasma sensors.
19.
But he said manufacturers will have no incentive to improve the design of leak detectors unless the Coast Guard requires tankers to use them.
20.
Today their main use is for entertainment and educational displays, although small coils are still used today as leak detectors for high vacuum systems.
