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S-flow IV⁺ Kinematic Viscometer

Houillon viscosity reinvented with an optional autosampler

Maximum throughput and ease of use with very low sample and solvent consumption

The latest generation of new S-flow builds on the solid foundation of its predecessors to offer the ultimate in automatic viscosity testing of Newtonian samples such as petroleum products. The system offers all the tried and tested advantages of a Houillon-type tube design such as short process times, small sample volume and low solvent consumption, but now also includes an optional autosampler to allow for fully unattended operation. All controlled from a central user interface that takes care of result storage, autosampler control, VI calculations and much more. It complies fully with ASTM D7279 and as such, provides full correlation to ASTM D445. It is the ideal system for used oil analysis labs that need to test a wide range of lubricant viscosities.

The new S-flow IV+ consists of a 2 bath system with 2 tubes in each bath, providing a total of 4 tubes. The baths were designed to work independently, making it possible to use both baths at the same temperature, or at different temperature, ranging from 20°C to 120°C. Other options include dual solvent cleaning and integrated duplo testing which obtains 2 flow time determinations with only 1 sample injection.

All measurement parameters, such as warmup times and cleaning parameters can be set through the high resolution 12” touchscreen or with optional PC software. The diagnostic system alerts the operator to possible issues such as empty solvent supply tanks, full waste bottles and other potential issues. The optional auto-sampler is fully modular and in-field upgradeable, meaning you can purchase the analyser first and then upgrade to auto-sampling when the need arises.

Compliant with the following test methods:

ASTM D7279
ASTM D2270

Correlates with the following test method:

ASTM D445

 

Autosampler
Small Sample Volume
High Throughput
Low Solvent Use
High Accuracy

Features
S-flow IV+
Number of baths
2
Viscometers per bath
2
Standard methods
Compliant with ASTM D7279, D2270
Correlation with ASTM D445
Built-in VI calculation
Yes
Measuring range
0.3 – 3,000 mm2/s @40°C
Temperature range 
20 – 120°C *
Temperature stability
Better than ±0.02°C
Timer resolution
0.001 s
Sample volume
0.3 – 1.0 ml
Solvent consumption
2 – 3 ml per cycle
Samples per hour 
40 – 80 samples per hour **
Viscometer type
Houillon
Sensor type
Optical, self-calibrating
Time measurement
Automatic
Solvent injection
Automatic
Advanced PC software option
Yes
Dual solvent option
Yes
Duplo measurement option
Yes
External cooling system option
Yes
Silicone oil option
Yes
Integrated cleaning pump
Yes
Warmup prior to measuring
Yes
Touchscreen
12” capacitive
Optional autosampler
Yes
Dimensions
40 x 58 x 66 cm (w x d x h)
Weight
52 kg
Data export
USB storage device
Power requirement
950 W; 115/240V – 50/60Hz

* For temperatures around ambient, an external chiller is required
** Measurements per hour; depends on viscosity, tube, temperature, and solvents 

Features
  • Applicable for fuels, base oils, formulated oils, and petroleum products as well as water-based fluids
  • Compliant with requirements for ASTM D7279, ASTM 2270 and correlation to ASTM D445
  • High throughput: up to 80 samples per hour under ideal operation conditions
  • Extremely easy to use and maintain
  • Small sample volume: 0.3 – 1.0 ml
  • Low solvent consumption: 2 – 3 ml per sample.
  • Extremely accurate temperature control and flow-time measurement independent of fluid type
  • Automatic calibration of the optic amplifiers
  • Automatic flow time measurement with ultraprecise meniscus detection
  • Fully automatic cleaning and drying
  • Fast & easy tube replacement (tubes are not connected to optical sensors)
  • No need to drain bath during tube replacement.
  • Single or dual solvent injection (optional)
  • Measurement at 2 temperatures in 1 system simultaneously
  • Integrated VI calculations
  • Stand-alone unit. No PC required.
  • Chemically resistant to allow for all common solvents
  • Bath scheduler to turn baths on/off on preset times saves energy when the lab is closed and ensures the system is ready to go when it opens back up
  • Bath temperature graphs on screen
  • Bath backlight to improve visibility of viscometer tubes and sensors
  • User Access Control
  • Duplo measurement capability
  • Integrated back flushing
  • Optional autosampler
Resources & Downloads

Omnitek S-flow V+ Viscometer Enquiry

For more information or to arrange a call from one of the Crea Fluid Analysis Team, please complete the contact form.  If your enquiry is urgent, please call us on 1300 552 725.

Omnitek S-flow V+ Viscometer Enquiry

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