Kinematic Viscosity: SVM 3000 Stabinger Viscometer

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The SVM 3000 Stabinger Viscometer measures the dynamic viscosity and density of oils and fuels according to ASTM D7042. From this result, the viscometer automatically calculates the kinematic viscosity and delivers measurement results which are equivalent to ISO 3104 or ASTM D445. The Stabinger measuring principle with Peltier thermostat enables an incomparably wide viscosity and temperature range with a single system. SVM 3000 is quick, compact and energy-saving, versatile in use, with only small amounts of sample and solvents required. This makes it the most efficient high-precision viscometer on the market. The SVM 3000 Stabinger Viscometer is a rotational viscometer with a cylinder geometry. It is based on a modified Couette principle with a rapidly rotating outer tube and an inner measuring bob which rotates more slowly. The instrument is named after Dr. Hans Stabinger, who developed it together with his team at the Laboratory for Measuring Technology in Graz/Austria. It is the first instrument to combine the required precision for ASTM D7042 and measurement of the viscosity index according to ASTM D2270/ISO 2909 in a compact, lightweight benchtop device. SVM 3000 uses a new, patented measuring principle (EP 0 926 481 A2).

Features

- The SVM 3000 measures dynamic and kinematic viscosity from < 1 up to 20 000 mm2/s and density in a temperature range from -56 °C to 105 °C in one measuring cell

- Up to 30 samples per hour

- Automatic filling and cleaning with Xsample sample changers

- Automatic data processing with VisioLab software

- Proven quality in ASTM ring tests

- ASTM D7042 provides results equivalent to ISO 3104 / ASTM D445

- High-precision thermostat with stability of 0.005 °C

- The software manages calibration constants - to prevent user errors

- From 2.5 mL sample volume (from 1 mL without density measurement)

- From 2.5 mL solvent required

- No thermostatting bath required

- Measuring temperature can be changed in minutes

- You can quickly set up your SVM 3000 at another location

- Independent of gravity and vibrations

- SVM 3000 also works without a PC

- Use under controlled atmosphere with the external measuring cell

Specification

	SVM 3000	Xsample 360	Xsample 460
Required sample volume (mL)	2.5	5 (10)	5 (10)
Vials per magazine		1	48/96 (24)
Volume of sample vials (mL)		12 (50)	12 (50)
Minimum solvent consumption (mL)	2.5	2.5	2.5
Typical solvent consumption (mL)	10	7.5	7.5
Volume of the solvent bottles (L)	2 x 0.5	2 x 1	2 x 1
Max. filling viscosity (mPa.s)	2000*	1000*	1000*
	Values in parenthesis for optional 50 mL vials
Sample throughput (maximum per hour)	Values in parenthesis for compressed air drying
Diesel fuel, fast test (ultra-fast)	25 (30)	18 (22)	18 (22)
Engine oil, fast test (ultra-fast)	15 (18)	12 (15)	12 (15)
1000 mPa.s at 20 °C, standard test	8.5 (10)	4.8 (5.5)	4.8 (5.5)
Engine oil, double determination, standard test	7 (8)	6.5 (7.5)	6.5 (7.5)
Weight net/gross kg, lbs	15/17	21/25	23/27
Space requirements L x W x H (mm)	440 x 315 x 220	440 x 380 x 320	440 x 660/990 x 320
Ambient conditions	15 to 35 °C (59 to 95 °F), max. 80 % r.h. below 31 °C (88 °F), 67 % at 35 °C (95 °F)
Data memory / modes	384 data sets / 10 programmable modes
Interfaces	Dual RS-232, AT keyboard
Power supply (sinusoidal current)	100 to 240 VAC, 50 to 60 Hz, 75 VA max.
Reproducibility (Special calibration might be required outside the works adjustment range.)
Viscosity (typical values for clean base oils)	0.35 % within the works adjustment range; 1 % outside this range
Density (viscosity-compensated)	0.0005 g/cm3 from 0.65 to 1.5, 0.0020 g/cm3 outside this range
Temperature	0.02 °C (0.04 °F) from 15 to 105 °C (59 °F to 221 °F); 0.05 °C (0.09 °F) outside this range
Measuring range		Repeatability*
Dynamic viscosity (mPa.s)	0.2 bis 20,000*	Viscosity	0.1 %
Density (g/cm3)	0.65 bis 3	Density	0.0001 g/cm3
Temperature	15 °C bis 105 °C (lower temperatures on request)	Temperature	0.005 °C