anti acid flowmeter, Hydrochloric acid,sulfuric acid,nitric acid... Anti-interfere,anti-acid,anti-alkaline,anti-impurity Target type anti acidflowmeter,what make our target flow meter better and different than other flow meters are as following1. Target type flow meter won the characteristic of anti-impurity.eg. other flow meter can not test waste water, impurity fuel, base oil...but, we can2. ...