Compact laboratory refractometer. The new ATR-BR is an critical angle refractometer for the measuring of liquid media from low to high viscosity, and independent of opacity and color. The ATR instrument are available in a variety of configurations for laboratory and production quality control. The newly designed casing offers more space for a bigger LCD display and a splash proofed foil keyboard. Batch numbers can be entered directly and also simple form may be created and printed out.
4 special scales, one of them being programmed as Brix scale by the factory, allow various applications in production and laboratory. The software of the ATR-BR, designed close to the practice makes it possible to take the mean value and to determine standard derivation and adjustable measuring delay for special measurement in dependence of the temperature. All functions may also be controlled via PC using the remote control program.
Refractometry and
Concentration
Refractometers are widely used to measure the
amount of dissolved substances in solutions containing mainly sucrose. The
relationship between refractive index and the amount of dry substance content
is well known for sucrose and is the basis of the Brix scale which is measure
of the number of grams of sucrose present per 100 grams of aqueous sugar
solution. (50 Brix means 50 grams of solid per 100 gm of solution) This
relationship holds for a large number of similar substances and so the Brix
scale is widely used in the food industry. Unfortunately the refractive index
of a sugar solution changes with temperature while its solid content remains
the same. ( The same refractive index at different temperatures correspond to
different Brix values.) Manual "Abbe" Refractometers
do not compensate for this
temperature effect and manual correction tables should be used to adjust the
readings to a standard temperature.
TheSchmidt and Haensch range of automatic
Refractometers supplied by Topac measure both the refractive index and the temperature of the
sample in order to evaluate the Brix value. They read out both the actual
refractive index and the actual sample temperature, but they automatically
correct the Brix value to what it would be at 20 degs C. regardless of the
actual sample temperature. ( In the range 10 - 40 C)
The instruments come
in a variety of configurations to meet the needs of laboratory , QC, research
and production applications.
The new ATR-BR is an automatic critical-angle refractometer for the measurement of liquid media indepent of their viscosity, colour and transparency to be used in the quality control of productions and laboratories.
Chemicals | Solvents, organic polymers, distilled products, solutions of inorganic compounds, pesticides, washing agents |
Agriculture | Ripeness of fruits, vegetables, beet and sugar cane. |
Food Industry | Yogurt, jam, fruit extract, syrup, honey coffee extract, vegetable albumen, chocolate, milk, baby food. |
Beverage Industry | Soft drinks, fruit juice, wine, beer, |
Medical | Serum, blood, urine |
Pharmaceutical | Essences, essential oils, aromas. |
Petrochemicals | Oils, fats, waxes, naphthalenes, raw oils, varnishes, paints |
ATR BR | |
Measuring range: | 1.32000-1.54000 nD / 0-100Brix |
esolution: | 0.00001nD / 0.01Brix |
Precision: | ± 0,00002 RI / ± 0,01 %Brix (measurement range 1,32 – 1,44) and ± 0,00003 RI / ± 0,01 %Brix (measurement range 1,44 – 1,54) |
Reproducibility | 0,00001 RI / 0,01 %Brix |
Resoluiton temperature display: | 0.01°C |
Thermostatisation: | no |
Working temperature: | +10 to +40°C |
Temperature compensation Brix: | in range of +5 to +50°C |
Light source: | 589nm LED |
Programmable scales: | 10 |
Real time clock: | Battery operated, 10 years lifetime |
Data output: | serial to ethernet converter |
Display: | LCD, 16x16 characters, illuminated |
Controls: | 20 key membrane including function keys |
Weight: | 4kg |
Model | Description | Part No | Price USD |
ATR BR | Resolution: 0,00001 nD , 0,01% Brix | T04320 | call for quote |