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Outline：
Air tightness test and leak test standards for the consumption and supply equipment of liquefied petroleum gas have been changed as a result of recent revision to the relevant government regulations. This gauge, used for these tests, has received admiration for its various advantages and the easiness of carrying around.
Features：
・Packed in a drip-proof resin case
・Convenient recording window.
・One-touch time setting.
・No ink is used for printing.
・Effortless loading/unloading of the record paper.
・Outstanding indication/recording accuracy.
・Capable of testing adjuster functions.
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