The DMA 35 portable density meter measures the density and concentration of your sample and is characterized by the highest level of user friendliness. Its robust and lightweight design enables on-site operation in a wide range of work environments. The DMA 35 Ex and DMA 35 Ex Petrol versions are both intrinsically safe and specially designed for the measurement of flammable chemicals (DMA™ 35 Ex) or petroleum samples (DMA™ 35 Ex Petrol) in hazardous environments.