Difference of the three models:
BW-HR1 can not control temperature.
BW-HR2 needs connect with other temperature control machine.
BW-HR3 includes built-in Peltier precise temperature control system.
All the three models have following specifications:
Automatic Abbe refractometer includes high-performance CCD light-sensitive part, can accurately and efficiently complete sample analysis tests through exclusive signal acquisition, analysis and processing technology. A650 can automatically measure the refractive index (nD) of transparent or translucent liquids and mass fraction (Brix) of sugar solution, is accurate, reliable, quick, easy for operation, and so on.
Characteristics:
High-resolution CCD detector offers automatic measurement, avoiding personal errors, having higher accuracy;
Measuring prism is made of high hardness sapphire glass, of excellent properties against corrosion and scratches, free for clean and durable;
High brightness LED lights with long service life.
Extremely large storage capacity can store up to 1000 groups of data information automatically;
Exclusive signal acquisition, analysis and processing technology ensures accurate measurement results;
Large color touch screen display and innovative WINDOWS software interface give extremely convenient device operation and data acquisition;
External USB and RS232 ports can be directly connected to PC; USB disk and SD card interfaces are easy for data export and backup.
Technical data:
Refractive index Measuring range: (nD): 1.3000-1.7000
Measured value error: (nD): ± 0.0002
Measurement resolution (nD): 0.0001
Scope of sugar solution mass fraction (Brix): 0-95%
Measured value error (Brix): ± 0.1%
Measurement resolution (Brix): 0.1%
Scope of temperature display: 0-50C
Power supply: 220V, 50Hz
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