The VTU is capable of measuring to tenths of a lb./sq. in. Four
different tests are combined into 1 unit: a single package cycles
through all of the analysis on 1 unit. First the O2 headspace, followed
by the pressure decay leak test, then a seal-strength burst test and
finally the valve test which tests both the leak and the seal strength
of the valve. Applications include coffee, pet food, agricultural chemicals, resins, medical and others which require pressure relief.
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