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DENSITY METER         measuring instrument
 
 
Density Meter
 

Density Meter Model DS7800 and Model DS7900

 
Digital density meters can measure density, relative density and concentration of aqueous solutions with up to five decimal places in a range of 0.00000 - 1.99999 g/cm .
Measuring method is based on established oscillating U-tube technology.
The U-tube made of glass is monitored through the window to ensure that no gas bubble falsifies measurement results.
 
The device has a high-precision recirculation air-temperature control based on a Peltier element.
Calibration is performed with pure water and dry air.
A dry-air unit and a peristaltic pump for sample handling are included.
 
The operation is intuitive and done by a user-friendly touch screen.
All important settings are visible on the main screen and stored in an SQL data base together with measuring results.
Data storage covers last 999 measurements.
 
Our density meters comply with ASTM D4052 and D5002.
An active three-level user administration with password protection makes the DS7800 and 7900 particularly suitable for use in GLP/GMP regulated industries.
 
Features:
 
- Oscillating u-tube measurement cell with high resolution
- Desiccation unit and peristaltic pump included
- Integrated high-accuracy Peltier thermostat
- User-friendly touch-screen operation in 6 languages
- Data display of all important settings and measurements
- Various programmable measurement units
- Password-protected user administration (optional)
- Ethernet interface for direct connection to a PC
- Data export and firmware update via USB interface
- RS-232 interface for dot matrix printer
- 32-bit processor
- SQL database
- NIST-compliant calibration certificate
- Full GLP suitability
- ASTM-compliant
- Low consumables costs
 

APPLICATIONS

The digital density meter can determine mixing ratios, quality and quantity inspection in the following industries:
- Chemical industry
- Pharmaceutical industry
- Cosmetics industry
- Beverage industry / breweries
- Food industry
- Sugar and sweetener industry
- Pulp and paper industry
- Electronic industry
- Petrochemical industry
- Wastewater management
 

SPECIFICATIONS

MODELS
DS7800 AND DS7900
Measuring Range Model DS7900: 0.00000 -1.99999 g/cm
Model DS7800: 0.0000 - 1.9999 g/cm
Accuracy of Measured Value Model DS7900: 0.00005 g/cm
Model DS7800: 0.0001 g/cm
Repeatability of Measured Value Model DS7900: 0.00001 g/cm
Model DS7800: 0.0001 g/cm
Sample Volume by Manual Injection Approximately 2 ml
Temperature Range 10 - 40 C
Reproducability 0.02 C
Measurement Time 30 - 60 seconds
Ambient Temperature 10 - 40 C
Calibration With dry air and distilled water
Manufacturers Calibration 4 - 10 supporting points and 3rd-degree polynomial
Case Cast aluminium
Display LCD TFT 5.7 ", 320 x 240 pixels
Interfaces RS-232, USB and Ethernet
Power Supply 240 V, 50 Hz and 60 W
Methods 99 freely definable methods
Result Storage 999 last measurements
Printer Port Serial
User Administration Activated
Password protection Activated
LIMS Access Possible
 
 
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