SKU: 19-20 RFM742-M Digital Refractometer

RFM700 Series
Overview Specifications Documentation & Tools ;
Overview

Overview

Bellingham & Stanley RFM742-M digital refractometer is a robust 2-decimal 0-100 Brix refractometer for use in factory or lab. Designed with simplicity in mind, RFM700-M Series refractometers with Brix, RI scales as standard offer digital automatic technology at a low cost.

Product Features
  • Range: 0-100 Brix, 2-decimal
  • Alpha-numeric keypad for easy data entry
  • Flat sapphire prism surface for easy-cleaning
  • Simple operation for factory environments
  • Selectable read type: Continual, single, intelligent auto-sense

The RFM742 is a 2-decimal place instrument ideal for use in beverage plants.

The RFM712-M Series features robust construction, a sapphire prism mounted in an easy clean stainless steel dish and an outer casing that is sealed and shaped to withstand sample spillage and moisture ingress. This together with the external power supply makes the RFM700-M ideal for use in a harsh factory environment or busy laboratory.

Commonly, the RFM700-M series refractometers are supplied to operate in the °Brix scale with results temperature compensated to 20°C in accordance with ICUMSA. Additional user scales provide measurement in different formats such as various wine, Refractive Index (RI) & FSII as well as allowing custom scales to be loaded in accordance with product data.

The RFM700-M facilitates Span calibration at any value using a variety of media types, as temperature compensation may be adjusted to suit the product being used. Additionally, the instruments are fitted with AG temperature compensation, allowing the use of AG Fluids without the need to use conversion table.

Specifications

Specifications

Specifications
RFM712-M
RFM732-M
RFM742-M
Scales Refractive Index
1.32 – 1.42
1.32 – 1.54
1.32 – 1.54
Scales Sugar (°Brix)
0-50
0-100
0-100
Scales User-defined
100
100
100
Resolution Refractive Index
0.0001
0.0001
0.00001
Resolution Sugar (°Brix)
0.1
0.1
0.01
Accuracy Refractive Index
±0.0001
±0.0001
±0.00005
Accuracy Sugar (°Brix)
±0.1
±0.1
±0.04
Precision (Reproducibility) Refractive Index
± 0.00005
± 0.00005
± 0.00001
Precision (Reproducibility) Sugar (°Brix)
± 0.05
± 0.05
± 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.
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.
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)
Minimum 4 seconds (optional time delay)
Minimum 4 seconds (optional time delay)
Temperature Control
None – Automatic Temperature Compensation (ATC)
None – Automatic Temperature Compensation (ATC)
None – Automatic Temperature Compensation (ATC)
Temperature Compensation
ICUMSA, AG, User, none
ICUMSA, AG, User, none
ICUMSA, AG, User, none
Sample Temperature Range
0-100 °C
0-100 °C
0-100 °C
Measuring Temperature Range
5-40 °C
5-40 °C
5-40 °C
Temperature Sensor Accuracy
± 0.03 °C
± 0.03 °C
± 0.03 °C
Sample Temperature Stability
± 0.05 °C
± 0.05 °C
± 0.05 °C
Temperature Compensation Sucrose (°Brix)
5 – 80 °C
5 – 80 °C
5 – 80 °C
Temperature Compensation AG Fluids
5 – 40 °C
5 – 40 °C
5 – 40 °C
Temperature Compensation User-defined
Simple coefficient (units/ °C) or polynomial function
Simple coefficient (units/ °C) or polynomial function
Simple coefficient (units/ °C) or polynomial function
Temperature Stability Checks
Delay in seconds or none
Delay in seconds or none
Delay in seconds or none
Sample Illumination
Light Emitting Diode 589nm (100,000+ hours)
Light Emitting Diode 589nm (100,000+ hours)
Light Emitting Diode 589nm (100,000+ hours)
Prism / Dish
Artificial Sapphire / Stainless Steel 316 / PEEK (spill barrier)
Artificial Sapphire / Stainless Steel 316 / PEEK (spill barrier)
Artificial Sapphire / Stainless Steel 316 / PEEK (spill barrier)
Prism Seal
Silicon/Resin
Silicon/Resin
Silicon/Resin
Interfaces
1 x USB (A), 1 x USB (B), RS232 via USB adaptor (optional accessory)
1 x USB (A), 1 x USB (B), RS232 via USB adaptor (optional accessory)
1 x USB (A), 1 x USB (B), RS232 via USB adaptor (optional accessory)
Power
Instrument: 24 V DC, ±5%, <1A, External PSU: 100-240V, 50-60Hz (supplied)
Instrument: 24 V DC, ±5%, <1A, External PSU: 100-240V, 50-60Hz (supplied)
Instrument: 24 V DC, ±5%, <1A, External PSU: 100-240V, 50-60Hz (supplied)
Humidity Range
<90% RH (non-condensing)
<90% RH (non-condensing)
<90% RH (non-condensing)
Documentation & Tools

Documentation & Tools