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Mettler Toledo 51337001 DM45 4.5 Place Digital LiquiPhysics™ Excellence Density Meter, Accuracy 0.00005 [g/cm3]
DM45 is a 4.5 place digital LiquiPhysics™ Excellence density meter for measurement of density, specific gravity, API (petroleum), BRIX (sugar), alcohol or alcohol concentrations and other density related values.
The LiquiPhysics Excellence DM density meters and DX density cell modules automatically detect measuring errors and feature a wide measuring temperature range, fast heating-up and cooling down-rates and very short measuring cycles. DM and DX are doubtlessly the state-of-the-art pinnacle for digital measurement.
(*) DX is the cell module only
Specifications - DM45 / DX45(*)
Accuracy | 0.00005 [g/cm3] (0.00002 @ 0.7...1 g/cm3, 15...20 °C) |
Measurement range | 0.00000 ... 3.00000 [g/cm3] |
Temperature range | 0.00 ... 91.00 °C |
Temperature control | Yes (Peltier) |
Temperature compensation | Yes |
Sample volume | Approx. 1.0 mL (minimal) |
Typical measuring time | 30 s (5 s after reaching temperature equilibrium) |
Sampling pump | Option (FillPal Food, FillPal Chem, SC1, also available as heated version SC1H) |
Special applications | BRIX, HFCS, alcohol, API, Baumé, BABO, user defined concentrations, … |
Viscosity correction | Yes |
Sample changer | InMotion, SC30 and SC30H heated version |
Methods | Methods: 30; Types of products: 100 |
Languages | German, English, French, Italian, Spanish, Chinese, Russian, Portuguese, Polish |
Accessories | Option (Printer, RX refractive index cell, pH connecting set, conductivity connecting set, color connecting set, AtmoSens barometric USB pressure sensor, barcode scanner, ScanStraight automatic scanner, DryPal drying pump, WasteSens level sensor, LogStraight fingerprint scanner, ErgoSens optical sensor,) |
Material Number(s) | 51337001 |

Simple LiquiPhysics Excellence offers pioneering product-oriented OneClick™ measurements including a unique method/product concept with automatic error detection and automatic adjustment verifications. The most convenient way to enter sample data is achieved with SmartCodes™ eliminating the click of a button, and ScanStraight™ which is even capable of scanning barcodes automatically. | ![]() | |
Sound The powerful automation units can cope with practically any type of sample, clean efficiently the system, reduce work and protect operators from direct contact with toxic solvents or vapors. ErgoSens™ protects the instrument as measurements can be started without the need to touch anything. | ![]() | |
Sophisticated LiquiPhysics Excellence can combine density and refractive index determinations with the innovative cell modules. The systems can also be flexibly upgraded to measure pH, conductivity and color simultaneously saving time, space and money. A smooth and seamless LIMS/SAP integration with LabX™ PC software organizes comprehensive sample lists containing all the relevant data to entirely automate quality control. | ![]() | |
Secure LiquiPhysics systems offer complete user management in every configuration. This includes LogStraight™, a biometric way to quickly and accurately inform the system of the operator details. LabX laboratory software offers full support to comply with the 21 CFR 11 regulations. | ![]() |
DeltaRange™ Density Measuring Cells
Five decimal place measuring accuracy is rarely needed over the entire density and temperature measuring ranges for density determinations. Only samples such as organic solvents and alcohol/water mixtures sometimes need to be measured with five decimal place accuracy. All these products have densities lower than 1g/cm3 and the measurements are normally carried out at temperatures between 15 and 20 °C. The DeltaRange™ density measuring cells are tailor-made solutions for such applications as they offer five decimal place accuracy in exactly this range at significantly lower cost than full range five decimal place cells.
Five decimal place measuring accuracy is rarely needed over the entire density and temperature measuring ranges for density determinations. Only samples such as organic solvents and alcohol/water mixtures sometimes need to be measured with five decimal place accuracy. All these products have densities lower than 1g/cm3 and the measurements are normally carried out at temperatures between 15 and 20 °C. The DeltaRange™ density measuring cells are tailor-made solutions for such applications as they offer five decimal place accuracy in exactly this range at significantly lower cost than full range five decimal place cells.