After the calibration, a testing vessel is connected to a connecting hole 1 of a material to be tested, a coarce evacuating valve 2 is opened to evacuate said vessel to <= about 1X10<-2>Torr by a coarse vacuum pump 3, the valve 2 is closed, a test valve 4 is opened and the ...
Preferably, the blister packs are supported on a nest or similar means. The apparatus of the present invention can be of any suitable size, shape and design so as to be able to test one or a number of blister packs simultaneously. Inventors: Parker, Andrew Ernest (Newtownards, IE) ...
6. An apparatus for testing for leaks in oil field pipe at a rig floor by using a single source of pressurized test gas to actuate a testing tool positioned at a pipe test section and to pressurize the pipe test section to test for leaks, said apparatus comprising: (a) means for pres...
The device is calibrated on the ground in order to ensure the accuracy of test result in space. Accordingly, the calibrating apparatus is developed to calibrate the device. 展开 关键词: Temperature measurement Calibration Pistons Temperature control Seals Pressure measurement Volume measurement 会议名称:...
LEAK TEST METHOD AND LEAK TEST APPARATUS A leak test method includes: reducing first pressure in an inspection space in a work and second pressure in a space in a master chamber; humidifying the inspection space in the work; and detecting a change in differential pressure betwe... YAMAGUCHI ...
11 Test report ...17 Annex A (informative) Accumulation technique — calibration leak connected to enclosure of unknown volume ...
the mechanical expansion of the part under test will be limited to the measurement operation only, while the mechanical stress on the reference sample part will accumulate for the entire time the apparatus is in use to an indefinite number of times, leading to all effects of a continuous drift...
for gas device function test(2) breathing apparatus and face mask(2) heat sealing strength(2) relay(2) injection pump(1) Submit Other characteristics automatic(33) USB(26) compact(17) color display(12) with programmable logic controller (PLC)(11) ...
This invention relates to a leak tester for testing the tightness of a test object such as a fuel feed apparatus for an internal combustion engine, and specifically to a leak tester for testing the air tightness of a fuel feed apparatus provided with a first opening and a second opening and...
atm cc/s. The test set-up is based on μScan®; profilometer with implemented pressure chamber and control. G Elger,L Shiv,N Nikac,... - IEEE 被引量: 37发表: 2004年 Test and calibration of large drift tube chambers with cosmic rays A cosmic ray measurement facility has been set ...