Digital refractometer, RFM742-M

Model:

RFM712-M , Refractive Index : 1.32 – 1.42, Sugar (°Brix): 0-50, User-defined : 100
RFM732-M, Refractive Index : 1.32 – 1.54, Sugar (°Brix): 0-100, User-defined : 100
RFM742-M, Refractive Index : 1.32 – 1.42, Sugar (°Brix): 0-100, User-defined : 100

Description

SPECIFICATION

Specifications	RFM712-M	RFM732-M	RFM742-M
Scales Refractive Index Sugar (°Brix) User-defined	1.32 – 1.42 0-50 100	1.32 – 1.54 0-100 100	1.32 – 1.54 0-100 100
Resolution Refractive Index Sugar (°Brix)	0.0001 0.1	0.0001 0.1	0.00001 0.01
Accuracy Refractive Index Sugar (°Brix)	±0.0001 ±0.1	±0.0001 ±0.1	±0.00005 ±0.04
Precision (Reproducibility) Refractive Index Sugar (°Brix)	± 0.00005 ± 0.05	± 0.00005 ± 0.05	± 0.00001 ± 0.01
User Scale Library	20+ pre-programmed scales including HFCS (3), Sugar (4), Honey, NaCl, Wine Must (5), Urine SG (3), Glycol (2), Urea, FSII and more; plus customer programmable user scales via PC.
Reading Time	Minimum 4 seconds (optional time delay)
Temperature Control	None – Automatic Temperature Compensation (ATC)
Temperature Compensation	ICUMSA, AG, User, none
Sample Temperature Range	0-100 °C
Measuring Temperature Range	5-40 °C
Temperature Sensor Accuracy	± 0.03 °C
Sample Temperature Stability	± 0.05 °C
Temperature Compensation Sucrose (°Brix) AG Fluids User-defined	5 – 80 °C 5 – 40 °C Simple coefficient (units/ °C) or polynomial function
Temperature Stability Checks	Delay in seconds or none
Sample Illumination	Light Emitting Diode 589nm (100,000+ hours)
Prism / Dish	Artificial Sapphire / Stainless Steel 316 / PEEK (spill barrier)
Prism Seal	Silicon/Resin
Interfaces	3 x USB (A), 1 x Ethernet, RS232 via USB adaptor (optional accessory)
Power	Instrument: 24 V DC, ±5%, <1A External PSU: 100-240V, 50-60Hz (supplied)
Humidity Range	<90% RH (non-condensing)