带参考刻度H400-552美国UE压力开关H400型UE压力开关单点输出，动作值可调节，有参考刻度H402型UE压力开关双点输出，动作值可调节，有参考刻度H403型UE压力开关三点输出，动作值可调节，有参考刻度美国UE压力开关-西安秦控供应H402-S146BH403-443H403-448H403-S137BH403-S134BH403-S126BH400-S126BH400-358H400-361H400-376H402-354H402-358H402-361H402-376H400-S134BH403-354H403-358H403-361H403-376H400-126H400-134H400-137H400-S137BH400-144H400-146H400-156H400-164H400-440H400-441H400-442H400-S144BH400-443H400-448H400-450H400-452H400-453H400-454H400-550H400-S146BH400-552H400-553H400-554H400-555H402-550H402-552H402-553H400-S156BH402-554H402-555H402-126H402-134H403-440H403-441H403-442H402-S137BH402-137H402-144H402-146H400-S164BH403-144H403-146H403-156H403-164H402-156H402-164H402-440H402-441H403-126H403-134H403-137H402-S134BH402-442H402-443H402-448H402-S126BH402-450H402-452H402-453H402-454H403-S164BH403-S156BH403-S146BH400-258H400-270H400-274H402-258)