Digital Refractometers with Peltier Temperature Control. Allrounder for measuring all liquid and pastes.
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Powerful all-rounder: the DR6000-T
As a standard, the refractometer models DR6000-T and DR6000-TF are equipped with a Peltier element that controls the temperature of the sample up to 80 °C. There are four different models available for different requirements on accuracy, resolution and measurement range whereby you can access the same operation and functionality.
- Measurement of turbid or highly viscous samples
- With highly accurate internal Peltier temperature control
- Preinstalled and freely definable scales with conversions based on tables or formulas
- Chemical-resistant materials such as measurement prism made of sapphire, measuring tray made of stainless steel
- Intuitive operation via touch-screen display
- Complete data recording and backup including audit trail
- Flexible data export
- Compliance with global standards and norms
Typical applications
The DR6000-T models are the ideal solution for the pharmaceutical, chemical, food and beverage industries, flavors, fragrance and essential oil, petrochemical, metalworking and automotive industries, as well as hospitals, pharmacies and exam offices.
- Characterisation tests in research and development
- Identity test, purity control and concentration determination of raw materials, semi-finished products and end products
- Tracking of chemical processes during production
- Stability test
- Determination of the sugar concentration in semi-finished products and end products
- Determination of the solids content in solutions
- Determination of the purity in combination with a polarimeter
- Monitoring of the production of semi-finished products and end products
- Routine analysis with high sample throughput
- Determination of the sugar concentration in juices and alcohol-free beverages
- Determination of the alcohol or extract content in beer, spices, wine or spirits
- Sewage water check
- Incoming and outgoing goods inspection
- Checking medicines for pharmacopeias
- Analysis of body secretions
- Testing of the compliance with national and international standards
Conformity with national and international standards
A big advantage of normalized measurements is the comparability of the measurement results. Refractometers for specific measuring tasks are recommended as suitable measuring instruments in many international standards and guidelines. The requirements for the measuring devices, such as measuring accuracy and measuring temperature, are dependent on the respective measuring task and defined in each standard. We have compiled for you an overview of all known standards and guidelines, which refer to the refractometry.
Association of Analytical Communities (AOAC)
American Oil Chemists’ Society (AOCS)
American Society for Testing and Materials (ASTM)
German Institute for Standardization (DIN)
International Organization of Legal Metrology (OIML)
International Organization of Vine and Wine (OIV)
International Commission for Uniform Methods of Sugar Analysis (ICUMSA)
International Organization for Standardization (ISO)
United States Pharmacopeial (USP)
European Pharmacopoeia (Ph. Eur.)
European Honey Commission (EHC)
All samples are measurable
From bright to dark, from basic to acidic, from a low to a high viscosity – for our refractometers almost all samples are measurable. A high-quality optics, intelligent evaluation logarithms and a powerful LED enable the measurement of particularly challenging samples. These include z. For example, non-homogeneous samples such as fruit juices containing pulp, opaque samples such as heavy oils or emulsions that are common in cosmetics. Aggressive acids and bases can be easily measured using a chemical-resistant stainless steel measuring tray and a sapphire prism.Even foils and solids can be measured by using a high-refractive contact liquid.
In order to serve the existing variety of samples and the wide range of applications, we offer a wide range of different refractometers. For the selection of the suitable refractometer, it is helpful to define the required measuring range.
In the following table we have compiled an overview of typical samples from our customers and sorted them by refractive index. Most samples were measured at standard measurement conditions (20 ° C, λ = 589 nm), deviations are indicated. The measurements given are not specifications.
A strong performance package
A.KRÜSS digital refractometers set new standards in many respects. They deliver fast and reliable measurements, intuitive operation, seamless data logging, flexible data export and compliance with global standards. These and many more features make for a comfortable user experience.
Intuitive operation
- State-of-the-art touch-screen display
- Uniform operation of all A.KRÜSS laboratory devices
- Displays measured value in two measurement units
- Freely assignable speed buttons for the most important functions
- Easy to understand, menu-guided adjustment
- Sechs Sprachen auswählbar (de, en, es, fr, it, pt)
Fast reliable measurement
- Measurement of even turbid or highly viscous samples
- Measurement with manual measurement time input or optimized measurement time thanks to automatic stability recognition
- Multiple measurements with averaging
- Statistical analysis
Easy filling and cleaning
- Small sample volume approx. 0.3 ml
- Manual, semi-automatic or fully automatic sample supply
- Chemical-resistant materials such as measurement prism made of sapphire, measuring tray made of stainless steel
- Freely configurable cleaning processes (for devices with flow through functions)
- Semi-automatic or fully automatic drying (optional)
Unlimited number of methods
- Measurement modes: single, continuous or interval measurements
- Method parameters such as scales, temperature, temperature compensation, sample supply, limit values, comments
- Alarm option for monitoring the limit values of standards and samples
- Pre-defined scales such as %Brix sucrose, %Brix invert sugar, %Brix glucose, %Brix fructose
- More than 100 additional scales available on request
- Any number of freely definable scales with conversions based on tables or formulas such as m%, Vol.-%, g/cm³, °Oe, dry substance, salinity and %BRIX
Inteligent unser administration
- Can be activated or deactivated as required
- Dierent authorisation levels
- Setup of user profiles
- Customized settings for dierent users or work groups
Complete documentation of measured values
- Records all measured data as well as system or method selections in a tamper-proof measured data storage
- Audit trail for logging configuration changes
- Data reports with own logo
Flexible data export
- Print-out on serial ASCII printer (real paper)
- Print-out on network printer in PDF or PS format
- Print-out as PDF on USB flash drive or to network share
- Export in HTML or CSV format on USB flash drive or to network share
- Can be connected to a keyboard, mouse, barcode scanner or external PC in order to use the KrüssLab
- Easy integration into existing networks (DHCP-Client) or a LIMS
Temperature control as required
- With internal Peltier temperature control
- With external thermostat temperature control
- Temperature compensation
Compliance with global standards
- GMP/GLP
- 21 CFR Part 11
- Pharmacopoeia (USP, BP, JP, Ph. Eur.)
- FDA, ISO, HACCP, OIML, ASTM, ICUMSA, NIST
| DR6000-T | DR6100-T | DR6200-T | DR6300-T | |
| MAIN SPECIFICATIONS | ||||
| SCALES | Refractive index (nD) | |||
| Concentration of sucrose, glucose, fructose and invert sugar [%Brix], | ||||
| User-defined | ||||
| MEASUREMENT RANGE | nD 1.3200–1.5800 | nD 1.3200–1.7000 | nD 1.32000–1.58000 | nD 1.32000–1.70000 |
| 0–95 %Brix | 0–95 %Brix | 0–95 %Brix | 0–95 %Brix | |
| ACCURACY | nD ±0.0001 | nD ±0.00002 | ||
| ±0.1 %Brix | ±0.02 %Brix | |||
| RESOLUTION | nD 0.0001 | nD 0.00001 | ||
| 0.1 %Brix | 0.01 %Brix | |||
| TEMPERATURE | ||||
| TEMPERATURE MEASUREMENT | With integrated temperature sensor Pt100 | |||
| TEMPERATURE MEASUREMENT RANGE | 10–80 °C | |||
| TEMP. MEASUREMENT ACCURACY | ±0.1 °C | |||
| TEMP. MEASUREMENT RESOLUTION | 0.1 °C | |||
| TEMPERATURE CONTROL | ||||
| TEMPERATURE CONTROL | With integrated Peltier temperature control | |||
| TEMP. CONTROL RANGE | 10–80 °C | |||
| ACCURACY OF TEMP. CONTROL | ±0.1 °C | |||
| FURTHER SPECIFICATIONS | ||||
| TEMPERATURE COMPENSATION | Can be activated | |||
| (ICUMSA or freely definable) | ||||
| MEASUREMENT PERIOD | approx. 4 s | |||
| MEASUREMENT PRISM | Sapphire | |||
| LIGHT SOURCE | LED | |||
| WAVELENGTH | 589 nm | |||
Melting Point Meter for Semi-Automatic Measurements. The M3000 provides fast and easy examination of powdery substances with a melting point up to 360°C.
Melting point meter for automatic measurements. The M5000 provides fast, easy and automatic examination of powdery substances with a melting point up to 400 °C.
Density meters for manual sample supply Set 1 / Set 2. The right decision for low sample volumes.
Density meters for semi-automatic sample supply Set 3. High efficiency and special suitability for hazardous substances.
Density Meters DS7800 for Full-Automatic Sample Supply(Set 4 / Set 5). Fully automatic execution of the entire measuring process.
Digital Refractometers without Temperature Control. Specialists for sugar containing solution.
Digital Refractometers with Peltier Temperature Control. Allrounder for measuring all liquid and pastes.
Digital Refractometers with Automation. An optional solution for high sample volume.
Abbe Refractometer Analog(AR4) – Refractive index and % Brix can be measured and read via an eyepiece.
Digital Abbe refractometer (AR2008) – Refractive index and % Brix can be measured and displayed digitally.
Digital Handheld Refractometers DR101-60, DR201-95 and DR301-95. Digital on-site measurements at the touch of a button.
