DMA 35: Portable Precision for On-Site Density Measurement

The DMA 35 is a rugged, portable density meter that delivers lab-quality results directly at the sample site — eliminating the need to transport liquids back to the lab. With just 2 mL of sample required, it replaces traditional glass hydrometers and pycnometers across a wide range of industries. Designed for real-world use, the DMA 35 features an IP54-rated sealed housing, rubberized protection, and glove-friendly capacitive keys. Gesture control allows for one-handed operation, while integrated Bluetooth® and RFID interfaces enable instant data transfer and sample tracking in the field. A patented oscillator design ensures that air bubbles are directed away from the measuring cell, preserving result accuracy even in harsh environments or high-temperature samples up to 100 °C.

             

Trusted since 1981 and protected by global patents (AT516421 B1, EP3015847 B1), the DMA 35 has been developed with deep expertise in portable density measurement. It covers a broad density range (0 to 3 g/cm³) with repeatability as precise as ±0.0005 g/cm³ and features automatic viscosity correction for reliable results, even with high-viscosity fluids. The device supports up to 1,200 stored measurements, 30 measuring methods, and 250 sample IDs. With pre-installed tables for alcohol, sugar, sulfuric acid, API functions, and more — including ten fully customizable concentration units — it is built to handle complex workflows across labs, plants, and mobile operations.

           

The intrinsically safe Ex versions (DMA 35 Ex and DMA 35 Ex Petrol) comply with ATEX and IECEx standards, making them the only options available for safe measurements in explosive atmospheres. Whether you’re measuring petroleum products, flammable chemicals, or performing routine maintenance on lead-acid batteries, the DMA 35 ensures speed, safety, and precision. From brewing to battery production, from chemical analysis to field QA — this is your lab in a meter.

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