Low analysis costs for expensive samples due to manual work.
These digital density meters for manual sample supply work with the proven oscillating U-tube technology. With these models, low to high viscosity samples are supplied via a Luer syringe. During sample supply, the viewing window is used to check that the filling is free of bubbles. The internal Peltier temperature control ensures a fast and stable sample temperature. For cleaning, suitable solvents are injected until all sample residues are dissolved and removed. All liquid residues are removed from the U-tube oscillator with the aid of the drying unit attached to the instrument. Due to the chemical-resistant sample-carrying parts made of borosilicate glass and PTFE, our density meters are suitable for almost all liquids, emulsions and pastes. The minimum sample volume of the U-tube oscillator is less than 1 ml. Whether density, relative density, Brix, alcohol, sulphuric acid concentration or other user-configured scales, the configuration options are virtually unlimited.
Basic function
| Specification | DS7000 series density meters |
|---|---|
| Measurement range | 0-3 g/cm³ |
| Temperature control range | 10-40 °C |
| Measurement accuracy 1) | DS7700: ±0.001 g/cm³ DS7800: ±0.0001 g/cm³ |
| Accuracy of temp. control | ±0,01 °C |
| Scales | Density (g/cm³), Relative density, User-defined (unlimited), Brix (%Brix), Alcohol concentration (Vol.-%) %), sulfuric acid concentration (% by weight) |
| Resolution | DS7700: 0.001 g/cm³ DS7800: 0.0001 g/cm³ |
| Measurement period 2) | 3 seconds |
| Minimum Sample volume |
0.9 ml |
| Pressure range (relative) | 0-9 bar |
| Temperature measurement accuracy | ±0,02 °C |
| Temperature measurement resolution | 0,01 °C |
| Methods & users | Over 10000 methods possible |
| Adjustment | Automatic (menu-driven) Air pressure sensor for adjustment Tempered calibrating agents |
| Parts in contact with the sample | Borosilicate glass, PTFE; (enables measurement of almost all liquids, emulsions & pastes) |
| Additional features | audit trail User management Measured value stabilization Air pressure display |
| Operation | 7.0″ – capacitive touchscreen, 800 x 480 pixels, wipeable Touch screen, keyboard, mouse and/or Barcode scanner |
| Interfaces | 1x USB, 1x RS-232, 1x ethernet, LIMS |
| Dimensions (W x H x D) | 220 mm x 220 mm x 430 mm |
| Weight | 5.3 kg |
| Operating voltage | 100-240 V, 47-63 Hz |
| Power consumption (measurement mode) | 25 W |
| Power consumption (max.) | 120 W |
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