Density meter and Refractometer Combined Meter DA-6XX+RA-6XX
Product Description
General Concentration Meter <DA-6XX+RA-6XX>
- The two sensors each for density and refractive index need just small amount of sample liquids in order to simultaneously measure both density (specific gravity) and refractive index.
- The built-in thermostat controls measurement temperature in a short span of time to preset degree for precise and quick measurements of both density (specific gravity) and refractive index. The measuring units each for density (specific gravity) and refractive index can individually control and preset temperature.
- Density measuring unit features viscosity correction for samples of higher viscosity, allowing measured density values to be compensated.
- Measuring range is wide enough to measure any kinds of samples: Density : 0 to 3 g/cm3 Refractive index: 1.32000 to 1.58000 (DA-645+RA-620)
- The optional USB allows you to expand the versatility of operations including more storage space of measurement parameters and data as well as a user's own concentration conversion tables.
- The optional data acquisition software designed for DA-6XX+RA-6XX allows you download measurement results to PC so that the data can be further processed according to a user's needs and requirements for easier management of acquired data.
- The commercially available bar code readers compatible with RS-232C serial interface can be connected to AUX port and conveniently read sample ID and lot number.
Specifications of General Concentration meters
Type and Model name |
DA-645+RA-600 |
DA-645+RA-620 |
Measuring method |
Density |
: |
Resonant frequency detection |
Refractive Index |
: |
Detection of critical angle with Na-D line |
|
Measuring range |
Density |
: |
0 - 3 g/cm3 |
R.I. |
: |
1.32 - 1.70 |
|
Density |
: |
0 - 3 g/cm3 |
R.I. |
: |
1.32 - 1.58 |
|
Measuring temperature |
Density: 0 - 96°C, R.I.: 5 - 75°C |
Accuracy |
Density |
±0.00005 g/cm3 |
When calibrated with pure water and dry air |
Refractive
index |
±0.0001 |
±0.00002 |
Temperature |
Density: ±0.03°C |
Minimum sample required |
6ml |
Auto viscosity correction |
Built-in |
Measuring time |
1 - 4 minutes by manual |
Display |
Density: 5.7-inch, R.I.: 4.7-inch TFT LCD |
Sampling |
Manual with syringe
Automatic by peristaltic pump |
Calibration |
"Air & Water " and "Other STD" |
Auto statistical data |
Mean value; Standard deviation (SD) ; Relative SD |
Recalculation |
Data can be recalculated |
Printout |
IDP-100 impact dot printer (Option) |
Data I/O |
USB flash drive as data soorage medium. |
External control |
LAN |
: |
Personal computer |
USB |
: |
Keyboard |
USB |
: |
Barcode reader |
RS-232C |
: |
Printer |
USB: USB flash drive |
|
Power source |
100 - 240V AC ; 50/60Hz |
Power consumption |
Approx. 60W |
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