Type and model; RA-130 Portable Refractometer
Measuring method; Optical detection of critical angle with Na-D line
Measurement objects; Liquids such as water solution like fruit juices or soft drinks and organic solvents

Measuring range:
nD: 1.32 ~1.50
Brix: 0 ~ 85%
HFCS42: 0~76%
HFCS55: 0~80%

Accuracy
nD: ±0.0005
Brix: ±0.2%
HFCS42 /55: ±0.2%

Resolution
nD: ±0.0001
Brix: ±0.1%
HFCS42 /55: ±0.1%

Temperature range: 10~40 degree C

Display contents:
Refractive index, Temp. comp. RI, Brix, HFCS42, HFCS55 and Temperature ( C/ F)
Sample number, Data storage, Data output, Data deletion, Battery alarm and the like

Temperature compensation: Up to 10 kinds of input for temperature compensation coefficients of measured samples and Compensation temperatures

Data storage: 1,100 measurement results

External output: Computer or printer (either, not both) can be connected
IrDA connection is standard supplied
RS232C connection requires optional RS converter for infrared (#029-0007)

Weight: Approx. 200g

Power source: DC 3V (2 x 1.5V alkaline AAA dry cells)

Battery life: 60 hours (one measurement in one minute)

Two ways selective – Dipping or Dripping method available

RA-600 Benchtop Refractometer

Specs:

-Measuring Method: Detection of Critical Angle of Optical Refraction
-Light Source: LED Na-D Line (589.3nm)
-Measuring Range: Refractive Index (nD)=1.3200 ~ 1.7000,
Brix=0.00 ~ 100.00%
-Accuracy *1:Refractive Index (nD)=±0.0001,Brix=±0.1%
-Repeatability *2:Refractive Index (nD)=±0.0001,Brix=±0.1%
-Resolution:Refractive Index (nD)=0.0001,Brix=0.10%
-Temperature Control:Peltier Thermostat 5 ~ 75°C *3
-Temperature Indication Resolution:0.1°C
-Minimum Amount of Sample
-Display:4.7-inch Backlit Colour LCD
-Operation:Touch Screen
-Security:Password Protection
-Data Storage: # of methods=100,Measurement results=up to 300, calibration record=up to 20,Check Record=up to 20, External Storage=USB Flash Drive
-Temperature Compensation: Brix=5.00 75.00 (Automatic compensation by preprogrammed conversion table.)
-Interfaces: LAN, USB1.1,RS-232
-Power Supply:AC 100~240 V, 50/60 Hz (AC adapter supplied with instrument.)
-Dimensions:191(W)×281(D)×161(H)mm
-Weight:5Kg

RA-620 Benchtop Refractometer

Specs:

-Measuring Method: Detection of Critical Angle of Optical Refraction
-Light Source: LED Na-D Line (589.3nm)
-Measuring Range: Refractive Index (nD)=1.3200 ~ 1.58000,
Brix=0.00 ~ 100.00%
-Accuracy *1:Refractive Index (nD)=±0.00002,Brix=±0.014%(0~85%)
-Repeatability *2:Refractive Index (nD)=±0.00001,Brix=±0.01%
-Resolution:Refractive Index (nD)=0.00001,Brix=0.01%
-Temperature Control:Peltier Thermostat 5 ~ 75°C *3
-Temperature Indication Resolution:0.01°C
-Minimum Amount of Sample: 0.2mL
-Display:4.7-inch Backlit Colour LCD
-Operation:Touch Screen
-Security:Password Protection
-Data Storage: # of methods=100,Measurement results=up to 300, calibration record=up to 20,Check Record=up to 20, External Storage=USB Flash Drive
-Temperature Compensation: Brix=5.00 75.00 (Automatic compensation by preprogrammed conversion table.)
-Interfaces: LAN, USB1.1,RS-232
-Power Supply:AC 100~240 V, 50/60 Hz (AC adapter supplied with instrument.)
-Dimensions:191(W)×281(D)×161(H)mm
-Weight:5Kg