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Fully automatic density refractometer DA+RA
KEM fully automatic density refractometer DA+RA is a module combination of digital density meter DA-6 series and digital refractometer RA-6 series. Th
Product details
Fully automatic density refractometer DA+RA
The fully automatic density refractometer DA+RA is suitable for:
Chemical products - Determination of density and relative density. Chemical products - Determination of refractive index.
Chemical reagent - Density determination. Chemical reagent - determination of refractive index.
Petroleum products - Density determination. Petroleum products - Determination of refractive index.
Plant oil inspection - determination of specific gravity. Vegetable oil inspection - determination of refractive index. Animal and vegetable oils - Determination of refractive index.
Spices - Determination of relative density. Spices - Determination of refractive index.
General inspection method for cosmetics - Determination of relative density. General inspection method for cosmetics - Determination of refractive index.
Export of aromatic oils, monolayers, and synthetic fragrances - determination of relative density. Export of aromatic oils, monolayers, and synthetic fragrances - determination of refractive index.
Light industry - daily essence - determination of relative density and refractive index.
Light industry - edible essence - determination of relative density and refractive index.
Tobacco industry - tobacco essence - relative density measurement. Tobacco industry - cigarette essence - refractive index measurement.
The main features of the fully automatic density refractometer DA+RA are:
1. Connect the digital densitometer and the fully automatic refractometer for use, and place the refractometer above the densitometer to save space.
2. A composite densitometer and refractometer can simultaneously measure density and refractive index with only a small amount of liquid sample.
3. The density and refractive index measurement cell is equipped with a Peltier constant temperature device, which can set the temperature by itself, with fast speed and high accuracy.
4. The density measurement cell has viscosity correction function, and for high viscosity samples, the density value is automatically corrected during density measurement.
5. Equipped with an automatic sampling pump, it is convenient for sampling, draining, cleaning, and drying. Equipped with automatic dryness judgment function.
6. Wide testing range, capable of measuring the density (specific gravity/relative density) and refractive index (refractive index) of various liquid samples.
7. Fully automatic digital display, which can replace manual density meters (specific gravity meters), density bottles (specific gravity bottles), and Abbe refractometers.
8. Chinese cultural operation, simple and compact, modular integration, fully automatic control and operation, flexible solutions.
Full automatic density refractometer DA+RA technical parameters:
|
Name and Model |
Density meter DA-650 |
Density meter DA-645 |
Density meter DA-640 |
|
Measurement method |
U-shaped oscillating tube method |
U-shaped oscillating tube method |
U-shaped oscillating tube method |
|
measuring range |
0～3g/cm3 |
0～3g/cm3 |
0～3g/cm3 |
|
Measurement accuracy |
±0.00002g/cm3 |
±0.00005g/cm3 |
±0.0001g/cm3 |
|
Measurement repeatability |
SD: ±0.000005g/cm3 |
SD: ±0.00001g/cm3 |
SD: ±0.00005g/cm3 |
|
temperature control |
0～96°C(0.001°C), Built in Peltier temperature control |
0～96°C(0.01°C), Built in Peltier temperature control |
0～96°C(0.01°C), Built in Peltier temperature control |
|
Temperature accuracy |
±0.02°C |
±0.03°C |
±0.05°C |
|
Measurement time |
1-4 minutes |
1-4 minutes |
1-4 minutes |
|
Sample size |
About 1 mL |
About 1 mL |
About 1 mL |
|
Viscosity correction |
Built in viscosity correction |
Built in viscosity correction |
Built in viscosity correction |
|
display |
Color touch LCD display screen, Density, specific gravity Relative density, concentration |
Color touch LCD display screen, Density, specific gravity Relative density, concentration |
Color touch LCD display screen, Density, specific gravity Relative density, concentration |
|
Sampling method |
Built in sample pump, Or use a manual syringe |
Built in sample pump, Or use a manual syringe |
Built in sample pump, Or use a manual syringe |
|
Measurement method |
100 sets of measurement methods |
100 sets of measurement methods |
100 sets of measurement methods |
|
measurement result |
300 sets of measurement results |
300 sets of measurement results |
300 sets of measurement results |
|
temperature compensation |
Automatic temperature compensation |
Automatic temperature compensation |
Automatic temperature compensation |
|
Concentration conversion |
Capable of automatic concentration conversion |
Capable of automatic concentration conversion |
Capable of automatic concentration conversion |
|
Statistical calculation |
Mean value, standard deviation, Deviation coefficient, recalculate |
Mean value, standard deviation, Deviation coefficient, recalculate |
Mean value, standard deviation, Deviation coefficient, recalculate |
|
Interface |
LAN, USB, RS-232C |
LAN, USB, RS-232C |
LAN, USB, RS-232C |
|
Name and Model |
Refractometer RA-620 |
Refractometer RA-600 |
|
Measurement method |
Critical detection of light refraction, Measure the wavelength of Na-D line |
Critical detection of light refraction, Measure the wavelength of Na-D line |
|
measuring range |
Refractive index (nD): 1.32000~1.58000 Brix: 0.00~100.00% |
Refractive index (nD): 1.3200~1.7000 Brix: 0.0~100.0% |
|
Measurement accuracy
|
Refractive index (nD): ± 0.00002 Brix: ± 0.014% |
Refractive index (nD): ± 0.0001 Brix: ± 0.1% |
|
Measurement repeatability
|
Refractive index (nD): ± 0.00001 Brix: ± 0.01% |
Refractive index (nD): ± 0.0001nD Brix: ± 0.1% |
|
temperature control |
5～75°C(0.01°C), Built in Peltier semiconductor temperature control |
5～75°C(0.1°C), Built in Peltier semiconductor temperature control |
|
display |
Color touch LCD display screen, Refractive index, sugar content, concentration |
Color touch LCD display screen, Refractive index, sugar content, concentration |
|
Prism and sample stage |
Sapphire and stainless steel |
Sapphire and stainless steel |
|
Measurement method |
100 sets of measurement methods |
100 sets of measurement methods |
|
measurement result |
300 sets of measurement results |
300 sets of measurement results |
|
temperature compensation |
Brix temperature compensation, Automatic temperature compensation |
Brix temperature compensation, Automatic temperature compensation |
|
Concentration conversion |
Capable of automatic concentration conversion |
Capable of automatic concentration conversion |
|
Interface |
LAN, USB, RS-232C |
LAN, USB, RS-232C |
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