Refractometer with USB-interface and automatic temperature compensation
The DR301-95 is both a high-quality mobile handheld device and a simple digital desktop device. In addition to the refractive index and sugar content, it can also measure the salt content (%) (NaCl). On request, the DR301-95 can be manufactured with any two other scales. Via the menu control it is possible to switch on the automatic temperature compensation for each scale – with measurement reference to sucrose. An alarm option can be set up for monitoring limit values in production processes. The supplied Mains adaptor turns the DR301-95 into a small laboratory refractometer. In mobile use, it is operated with a 9 V block battery. The DR301-95 is used in the food and beverage industry, in pharmacies, laboratories and testing laboratories as well as in research and teaching.
Basic functions
| Specification | Digital handheld refractometers DR301-95 model |
|---|---|
| Measurement range | nD 1.3330-1.5318 0-95 %Brix |
| Measurement accuracy 1) | nD ±0.00015 ±0.1 %Brix |
| Resolution | nD 0.0001 0.1 %Brix |
| Measurement period 2) | approx. 1 second |
| Minimum sample volume | 0.3 ml |
| Temperature measurement accuracy | ±0.5 °C |
| Temperature measurement resolution | 0,1°C |
| Scales | refractive index (nD), concentration of sucrose (%Brix), salt content (%), on request up to two more scales |
| Adjustment | Via membrane keypad |
| Additional features | Optional temperature compensation for 10-40 °C IP code: IP50 |
| Parts in contact with the sample | Optical Flint glass (SF4), full chromed surface |
| Operation | Membrane keypad |
| Dimensions (W x H x D) | 180 mm x 100 mm x 60 mm |
| Weight | 500 g |
| Operating voltage | 9 V (1x9V battery) |
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