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KRÜSS DR7000 Series
Digital laboratory refractometers KRÜSS DR7000-Series
The DR7000 series devices are digital refractometers designed for measuring refractive index, %Brix or other concentrations in liquid samples. With an optical CCD sensor, Peltiertemperature control, measurement electronics, evaluation electronics and touch display, the devices contain all the components needed to carry out measurements reliably. The Operation is located directly on the device. A separate PC with software is not necessary.
The devices and their firmware meet all requirements for FDA-regulated areas (depending on the model), as well as for the European (Ph. Eur.) and American (USP) pharmacopoeia. The DR7200-P and DR7400-P models meet the requirements of CFR 21 Part 11.
| The refractometer models of the DR7000 series in comparison | ||||
|---|---|---|---|---|
| Specification | DR7100-P model | DR7200-P model | DR7300-P model | DR7400-P model |
| MEASUREMENT RANGE | nD 1.3000 – 1.5800 0-95 %Brix |
nD1.3000 – 1.5800 0-95 %Brix |
nD 1.30000 – 1.72000 0-95 %Brix |
nD 1.30000 – 1.72000 0-95 %Brix |
| MEASUREMENT ACCURACY 1) | nD ±0.0001 ±0.1 %Brix |
nD ±0.00002 ±0.02 %Brix |
||
| RESOLUTION | nD 0.0001 0.1 %Brix |
nD 0.00001 0.01 %Brix |
||
| SCALES | Refractive index, %Brix sucrose, many other scales available on request as well as individually adjustable scales | |||
| TEMPERATURE CONTROL RANGE | 10°-60°C | 10°-80°C | ||
| TEMPERATURE CONTROL | Precise Peltier temperature control and a measured value preview which is updated every second | |||
| METHODS | >1000 | >1000 | >1000 | >1000 |
| MEASURED DATA STORAGE | >1 000 000 | >1 000 000 | >1 000 000 | >1 000 000 |
| AUDIT TRAIL FUNCTIONALITY | None | Completely available | None | Completely available |
| CONFORMITY WITH STANDARDS/DIRECTIVES | – – – – – – – – – – | CFR 21 Part 11 | – – – – – – – – – – | CFR 21 Part 11 |
| Pharmacopoeias (EU / USP / JP / BP); ASTM / DIM / ICUMSA / NIST / OIML; GAMP / GMP | ||||
| USER ACCOUNTS | More than 10,000 user accounts; for correct, clear identification, each user account has a unique login consisting of a combination of name and login information | |||
| KRÜSS ASSISTANCE SYSTEMS (measurement reliability) |
TempGate: The set sample temperature control is continuously monitored by the TempGate functionality. With LED ring around the sample well, signaling readiness for measurement | |||
| Measurement stability check (MSC): Measured value stability is checked during the ongoing measurement. Only measured values with set stability criteria are saved | ||||
| Dynamic Temperature Control – DTC: option for individual accuracy of temperature control. This allows temperature control and measurement period to be specifically adapted to samples | ||||
| DATA EXPORT | Export as print via network/printer or to USB stick OR to several password-protected network folders (PDF format; A format; CSV format) | |||
