The gauge lis suitable for the place where has danger of explosion . it can measure service mjedium pressure of anti crystallized and anti - solidified explosive mixture of all kinds of the matter without expilsion 仪表适宜在有爆炸危险的场所内用来测量非结晶、非凝固的爆炸性混合物或各种无爆炸性的介质压力。