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Concentration Meter: DMA™ 4500 M Chemicals

It's concentrated

With its new and patented U-tube core technology DMA™ 4500 M Chemicals is the density and concentration meter with the highest reliability, precision, and robustness available on the market. It stands out for a faster temperature regulation between 0 °C and 100 °C that saves you time, and a new viscosity correction that reduces the harmful influence of the sample’s viscosity by half – in the whole measuring range of 0 g/cm³ to 3 g/cm³ and 0 %w/w to 100 %w/w.

Due to the new condition monitoring and FillingCheck™, the DMA™ 4500 M Chemicals density and concentration meter also sets new standards in terms of intelligence and usability.

Additional outstanding features are small sample volume, fast results, fully automated data processing, over 140 built-in concentration tables, and maximum protection.

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Key Features

Over 140 calculation tables

It's concentrated - DMA™ 4500 M Chemicals comes with more than 140 built-in conversion tables covering salts, acids, alkalis, alcohols, sugar, and many more. Individual tables can be added any time.

More automation

Sample changer - automated. Data processing - automated. Results from up to 71 samples are provided automatically. Once the density measurements are done, the instrument processes the data into concentration results and sends it to you with an email notification.

Maximum protection

DMA™ 4500 M Chemicals is made for aggressive chemicals. The density meter uses PCAP touchscreen technology with a chemically hardened glass surface. The measurement cell is made of glass and the filling adpaters made of Teflon. Maximum protection guaranteed.

Safe operation

The automated conversion of the density reading into a concentration value eliminates human error. There is no need to change the measuring setup even for the full concentration range. Safe operation and high quality results are the outcome.

Fast and easy

Lab personnel can handle the density meter after a minimum of training. The operator only needs 2 mL sample volume, no further consumables. The measurement itself only takes 30 seconds.

Technical Specifications

Patents granted AT 516420 (B1), AT 517082 (B1)
Patents pending AT 517486 (A1)
Measuring range Concentration: 0 to 100 % w/w depending on the table
Density: 0 g/cm3 to 3 g/cm3
Temperature: 0 °C to 100 °C (32 °F to 212 °F)
Pressure: 0 to 10 bar (0 to 145 psi)
Accuracy Concentration: 0.01 to 0.16 % w/w depending on the table
Density: 0.00005 g/cm3
Temperature: 0.03 °C (0.05 °F)
Repeatability s.d. Concentration: 0.002 to 0.032 % w/w depending on the table
Density: 0.00001 g/cm3
Temperature: 0.01 °C (0.02 °F)
Minimum sample amountapprox. 1 mL
Measuring time per sample*30 seconds
Dimensions (L x W x H)495 x 330 x 230 mm 
(19.5 x 13 x 9.1 in)
Data memory1000 measurement results (optional ring memory)
Power supplyAC 100 to 240 V; 50 to 60 Hz; 190 VA
Weight22.5 kg (49.6 lbs)
  • 4 x USB
  • RS-232
  • CAN
  • VGA
  • Ethernet
DisplayBright 10.4" TFT PCAP touchscreen (640 x 480 px) with customizable display layout
Wetted partsPTFE, borosilicate glass
IndustriesChemical Industry

 * After temperature equilibration



AOAC 982.10
ASBC Beer-2B: Specific Gravity by digital density meter (1978)
ASBC Beer-5: Real Extract (B. Beer measured gravimetrically (1958), C. Real Extract determined refractometrically (1982))
ASTM D1475
ASTM D2501
ASTM D4052
ASTM D4806
ASTM D5002
ASTM D5931
ASTM D6448


CPTC SH/T 0604-2000 eqv. ISO 12185


DIN 51757


European Union Spirits drinks: COMMISSION REGULATION (EC) No 2870/2000
European Union Wines: COMMISSION REGULATION (EC) No 128/2004
European Union Wines: COMMISSION REGULATION (EC) No 355/2005
European Union Wines: COMMISSION REGULATION (EEC) No 2676/90
EBC Chapter 1.6
EBC Chapter 8.2.2
EBC Chapter 9.43.2


HM Revenue & Customs Density measurement for the revenue accounting of spirits


ISO 12185
ISO 14214
ISO 15212-1
ISO 18301
ISO 2811-3


JIS K 0061


OIV Alcohol content in wine and musts
OIV Analysis method for density measurement in wine and musts


Ph. Eur. 2.2.5 - Relativ density


USP 29 - Specific Gravity Method II
USP 841 - Specific gravity


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