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Intrinsically Safe Portable Density Meters: DMA™ 35 Ex And Ex Petrol

Intrinsically Safe Portable Density Meters: DMA™ 35 Ex And Ex Petrol

Description The intrinsically safe DMA™ 35 Ex and Ex Petrol portable density meters measure the density and concentration of your sample directly out of the sample container. With ATEX protection according to class II 2 G Ex ib IIC T4 the instruments are ready for safe operation in hazardous...
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The intrinsically safe DMA™ 35 Ex and Ex Petrol portable density meters measure the density and concentration of your sample directly out of the sample container. With ATEX protection according to class II 2 G Ex ib IIC T4 the instruments are ready for safe operation in hazardous environments. The DMA™ 35 Ex version is designed for concentration measurement of flammable or explosive chemicals whereas DMA™ 35 Ex Petrol is the solution for measurement of petroleum samples. Their robust and lightweight design enables long-term on-site operation even in harsh working environments.

Key Features


  • Rugged, leakproof housing design for industrial and field applications

  • Proven resistance of wetted parts to all common samples

  • Intrinsically safe instruments (Ex marking [Ex] II 2 G Ex ib IIC T4) for use in hazardous areas

  • DMA™ 35 Ex Petrol is equipped with a special housing which provides excellent resistance to petroleum samples


  • Easy operation

  • Compact, lightweight design enabling one-hand measurement

  • No-hassle measurement of hard-to-reach samples

  • Large LC display with backlight

  • Measuring cell with inspection window and backlight

Wireless communication

  • IrDA interface for data exchange with a PC and data export to a printer

  • RFID interface for changing measurement settings quickly by reading RFID tags


  • Storage of up to 100 sample IDs for easy sample identification

  • Storage of up to 20 measuring methods

  • Storage of up to 1024 measurement results including time stamp and sample ID

  • Two exchangeable batteries ensure long-term, reliable service

  • Integrated conversion tables for simple concentration measurement on acids

  • Preinstalled API tables for product groups A, B, and D (crude oils, fuels, and lubricants)

  • Additional custom-specific measuring units programmable

Technical Specifications

DMA™ 35 VersionDMA™ 35 ExDMA™ 35 Ex Petrol
Measuring rangeDensity: 0 g/cm³ to 3 g/cm³
Temperature: 00 °C to 40 °C (32 °F to 104 °F)*
Viscosity: 0 mPa*s to 1000 mPa*s
AccuracyDensity: 0.001 g/cm? ** 
Temperature: 0.2 °C (0.4 °F)
Repeatability, s.d.Density: 0.0005 g/cm³
Temperature: 0.1 °C (0.2 °F)
Ambient temperature-10 °C to + 50 °C (14 °F to 122 °F)***
Supported measuring units
  • Specific gravity

  • Alcohol tables

  • Sugar/extract tables

  • API functions

  • H₂SO tables

  • Ten programmable custom functions (e.g. HO, HCl, CHO)

Sample volume2 mL
Dimensions (L x W x H)140 mm x 138 mm x 27 mm (5.5 in x 5.4 in x 1.0 in)
Data memory1024 measured results
Power supplyTwo 1.5 V alkaline batteries
Weight351 g (12.4 ounces)396 g (14 ounces)
Intrinsically safe[Ex] II 2 G Ex ib IIC T4
  • Chemical Industry

  • Electronics

  • Petroleum Industry

* Filling at higher temperatures possible
**Viscosity < 100 mPa*s, density < 2 g/cm³
*** Sample must not freeze within the measuring cell

Packing & Shipping

Delivery detail:

UPS/DHL/FEDEX/TNT express are available for your choose which take 3~ 5 days to arrive,and  we will offer the tracking number for you to check the status of your items online at any time. 

 By air cargo which takes about one week to arrive .

 By sea which takes about 20-30days to arrive , depending on your actual requirements.


Our Service


12 months warranty for scientz High Throughput Tissuelyser

If any technical problem during warranty time, replacement parts will be sent free of charge.

Technical support is also available in whole time.

2.Our Advantage

1. Reply your enquiry in 24 working hours.

2. Experienced staffs answer all your questions in fluent English.

3. OEM is available if the quantity is large.

4. We offer very competitive for all our products.


Our machines undergo an extensive and strict testing and quality control procedure, ensuring every item purchased meet global quality standards.It's safe and reliable quality for scientz High Throughput Tissuelyser.

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Our Workship


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