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Refractometer

Principle of Measurement of Refractive Index
Methods:
ICUMSA GS4/3-13, ICUMSA SPS-3, OIML R124, ASTM D1218, ASTM D1569, ASTM D1807, ASTM D1992, ASTM D2140, ASTM D4056, ASTM D4095, ISO 1743,

								
								
								
								
								
								ICUMSA GS4/3-13, ICUMSA SPS-3, 
								
								
								
								OIML R124, 
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								ASTM D1218, ASTM D1569, ASTM D1807, ASTM D1992, ASTM D2140, ASTM D4056, ASTM D4095, 
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								
								ISO 1743, 
								
								
								
								
								
								
								
								

Durable. Dependable. Design you can trust.

The KEM refractometer is Fully Compliant with methods ASTM D1218, ASTM D1569, ASTM D1807, ASTM D1992, ASTM D2140, ASTM D4056, ASTM D4095, ISO 1743,  ICUMSA GS4/3-13, ICUMSA SPS-3, and OIML R124. This refractometer (RA-620/RA-600) is a precision instrument which measures the refractive index of liquid samples. The reflection signal of LED light from prism received by CCD (charge-coupled device) is computed by the built-in processor, and measurement results appear on display immediately. Therefore, utmost care should be taken when you install or handle the product.

This KEM Refractometer has touchscreen operation. One of the smallest to fit in A4 size (192 x 281mm). Comes with KEM Refractive Index Standard Liquid Completely ready for use Short warm-up time. Display & sound can be customized on this digital portable Refractometer. Easy operation & maintenance-free.

See the full specs and downloadable brochure for more details on this Refractometer.

 

The following accessories are recommended for purchase in sequential order (see eStore):

1st Year:
No spare parts are required
2nd Year:
No spare parts are required
Remaining Parts:
Test standards     ASTM D1218, ASTM D1569, ASTM D1807, ASTM D1992, ASTM D2140, ASTM D4056,
ASTM D4095, ICUMSA GS4/3-13,  ICUMSA SPS-3, ISO 1743, OIML R124
Measurement Method   Detection of Critical Angle of Optical Refraction
Light Source   ILED Na-D Line (589.3nm)
Measurement Items   Refractive Index, Brix, Other Concentrations
Measurement Range     Model RA-620
Refractive Index (nD) 1.32000 ~ 1.58000
Brix 0.00 ~ 100.00%
Model RA-620
Refractive Index (nD) 1.3200 ~ 1.7000
Brix 0.00 ~ 100.00%
Accuracy*1   Model RA-620
Refractive Index (nD) ±0.00002
Brix ±0.014%*3 (0 ~ 85.0%)
Model RA-620
Refractive Index (nD) ±0.0001*2
Brix ±0.1%
Repeatability*4   Model RA-620
Refractive Index (nD) ±0.00001
Brix ±0.007% (<5%) ± 0.01% (≧5%)
Model RA-620
Refractive Index (nD) ±0.0001
Brix ±0.1%
Resolution   Model RA-620
Refractive Index (nD) 0.00001
Brix 0.001% (<5%) 0.01% (≧5%)
Model RA-620
Refractive Index (nD) 0.0001
Brix 0.1%
Temperature Control*5 *6   Model RA-620
5 ~ 75°C (41 ~ 167°F)
Model RA-620
5 ~ 75°C (41 ~ 167°F) 
5 ~ 100°C (41 ~ 212°F) (Option)*7
Temperature Indication Resolution   Model RA-620
0.01°C (0.02°F)
Model RA-620
0.1°C (0.2°F)
Minimum Amount of Sample   0.2mL
Display   4.7-inch colour TFT LCD
Operation   Touchscreen (Comes with Stylus.)
Security   Password Protection
Data Storage   Number of Methods – 100 methods
Measurement Results – 300 data
Calibration Record – 20 data
Check Record – 20 data
External Storage – USB Flash Drive
Temp. Compensation Brix    5.00 ~ 75.00°C (41.00 ~ 167.00°F) (Automatic compensation by preprogrammed conversion table.)
Concentration By Conversion Table   100 dat
Interfaces   LAN – x 1; Personal computer (PC)
USB1.1 – x 2; USB flash drive, keyboard, barcode reader, Epson inkjet printer*8 , Thermal Printer (DP-600)
RS-232C – x 2; Dot Matrix Printer (IDP-100), Auto Clean and Sampling Unit (DCU-551N), Multiple Sample Changer (CHD-502N)
Ambient Conditions   Temperature – 5 ~ 35°C (41 ~ 95°F)*7
Humidity – 85%RH or below (No condensation allowed.)
Materials in Contact with Samples   Prism – Artificial Sapphire
Sample Stage – SUS316
Expandability   Barcode Reader – Reads sample name, measurement conditions, value of standard liquid
Battery – Yes*9
Option   Printer – Thermal Printer, Dot Matrix Printer
Sampling Unit, Changer –  DCU-551N, CHD-502N
Software – SOFT-CAP (Data acquisition software)
Power Consumption   20W (max. 50W, min. 10W) 
Power Supply   AC 100 ~ 240V, 50/60Hz (Comes with AC adapter.)
Weight   5kg (11.0 lbs) 
Dimensions   192 (W) x 281 (D) x 166 (H) mm (7.6 (W) x 11.1 (D) x 6.5 (H) inches)
Export Packing in Double Carton Box   G/W 9.1kg (20.0 lbs); 560 (W) x 460 (D) x 330 (H)mm (22.0 (W) x 18.1 (D) x 13.0 (H) inches)(May vary in some cases.)

Brochure: KEM Refractometer

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