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gc64系列
model features
name ：digital manometer
model no.：gc64 series
model no.：gc64 series
overview：
this digital gauge has a built-in battery and appropriate for measuring the gas pressure and liquid pressure instead of mechanical gauges
feature：
good gas tightness and suitable for measuring the poisonous gases;
few mobile components but excellent durability;
built-in battery has a long service life.
few mobile components but excellent durability;
built-in battery has a long service life.