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Touchscreen Refractometer RFM990-AUS32 Bellingham + Stanley 19-73

PART NO: X-19-73

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The RFM990-AUS32 refractometer is high accurate and specifically designed to meet the stringent needs of the chemical manufacturing industry. It is compliant with the strictest of ISO procedures in relation to the manufacturing of urea-based NOx reduction agents that are used as diesel exhaust fluids AUS32 and AdBlue®. In addition to compliance with ISO 22241 this refractometer is fitted with urea scales and temperature compensation along with a method that allows input of both the F factor and biuret content of the solution included in the analysis.

Some of the benefits of the RFM990-AUS32 refractometer include:

Widest RI range
Highest precision (±0.000005 RI)
MEAN Method (USP/EP/BP)
All RFM900s conform to ASTM D 1218 1747 2140 & 5006
Petrochemical model
Premium performance
Conforms to ISO 22241
AUS32 Method (input criteria)
RFID user identity
Data storage
Limit checking

Additional Info

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Measurement Specifications
	RFM990-AUS32
Scales Refractive Index (RI) % Urea mass/mass (AUS32)	1.33 – 1.70 0-40
Resolution Refractive Index % Urea mass/mass (AUS32)	0.000001 0.01
Accuracy Refractive Index % Urea mass/mass (AUS32)	±0.00002 ±0.02
Precision Refractive Index % Urea mass/mass (AUS32)	±0.000005 ±0.005
Other Scales	User defined – Urea % (AUS32) DEF FSII etc. or custom scales loaded by PC software
Automatic Temperature Compensation	Urea ICUMSA (sugar) AG None or User Defined
Temperature Control	Internal Peltier Device
Temperature Accuracy	±0.02 °C (at 20 °C)
Temperature Stability	±0.01 °C (at 20 °C)
Working Temperature Range	0 °C or 10°C below ambient which ever is the greater to 80°C (for AUS32 performance – 20°C is mandatory)
Temperature Stability Checks	None/delay time/repeatability/Smart (independently set by Method)
Sample Temperature Range	20 to 30 °C
Reading Time (seconds)	15
Ambient Humidity Range	< 90% RH

Physical Specifications
Prism	Artificial Sapphire
Prism Dish	316 Stainless Steel
Interfaces	3 x USB (A) 1 x USB (B) 1 x Ethernet RS232 via USB adaptor (optional accessory)
Sample Illumination	Light Emitting Diode (life 100 000hr +) 589nm
Case Material	ABS
Prism Gasket	Kalrez®

Catalogue Number

4.694 495

Manufacturer P/n

19-73

Measuring range

0 ... 100 °Brix
1.30 ... 1.70 RI
0 ... 40 % Urea

Type of auxiliary energy

Mains connection

Min. temperature °C

Type

RFM990-AUS32

Accuracy temperature

±0.02 °C

Temperature

0 ... 80 °C

Accuracy

±0.02 °Brix
±0.00002 RI

Max. temperature °C

Power supply

100 ... 240 V, 50/60 Hz

Resolution

0.001 °Brix
0.000001 RI