S-flow IV⁺ Kinematic Viscometer
Overview
Features
Application
Software
Specifications
Overview
The S-flow IV⁺ Kinematic Viscometer represents the next evolution in Houillon viscosity technology, combining exceptional accuracy, speed, and automation for modern laboratories. Designed and manufactured by Omnitek in the Netherlands, this advanced system delivers fully automated, high-throughput viscosity analysis with minimal solvent consumption and unmatched ease of use. With its optional autosampler, the S-flow IV⁺ supports fully unattended operation, making it an ideal choice for laboratories seeking reliable and efficient viscosity testing within industrial automation and robotics-driven environments.
Features
- Fully automated kinematic viscosity testing with optional autosampler for unattended operation
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Compliant with ASTM D7279 and D2270; correlates with ASTM D445
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Integrated VI (Viscosity Index) calculations
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Two independent temperature-controlled baths (20°C–120°C)
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Dual-solvent and duplo measurement options
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Compact, chemically resistant design with 12” touchscreen interface
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Low sample (0.3–1.0 ml) and solvent (2–3 ml) consumption per cycle
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Real-time monitoring, diagnostic alerts, and integrated cleaning system
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Modular configuration for scalable automation
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Fast and easy tube replacement without draining the bath
Application
Engineered for testing Newtonian samples such as fuels, base oils, formulated lubricants, and petroleum products, the S-flow IV⁺ Kinematic Viscometer provides highly reproducible results in laboratories demanding efficiency and precision. Its versatility makes it ideal for industrial and research facilities, including oil analysis, lubricant development, and production quality control, where automation and accuracy are essential.
Software
The S-flow IV⁺ is operated via a multilingual, user-friendly interface and can be controlled directly from the integrated touchscreen or through optional PC software. The advanced software provides full data management capabilities including result storage, autosampler control, and automatic calibration. Users can connect multiple viscometer systems, export data to USB, and integrate with laboratory information systems for enhanced workflow automation. Optional modules support autosampler operation, dual-solvent cleaning, and data logging for comprehensive process control.
Specifications
| Model | S-flow IV⁺ Kinematic Viscometer |
| Number of baths | 2 (independent temperature control) |
| Viscometers per bath | 2 (total of 4 tubes) |
| Temperature range | 20°C – 120°C* |
| Temperature stability | ±0.02°C |
| Measuring range | 0.3 – 3,000 mm²/s @ 40°C |
| Sample volume | 0.3 – 1.0 ml |
| Solvent consumption | 2 – 3 ml per cycle |
| Throughput | Up to 80 samples per hour** |
| Compliance | ASTM D7279, ASTM D2270 (correlates with ASTM D445) |
| Viscometer type | Houillon (optical, self-calibrating sensor) |
| Time measurement | Automatic, timer resolution 0.001 s |
| Cleaning system | Fully automatic; dual-solvent optional |
| Duplo measurement | Optional integrated dual measurement per injection |
| Cooling system | External cooling circulator optional |
| Display | 12” capacitive touchscreen |
| Autosampler | Optional modular, upgradeable, supports up to 2 instruments (8 tubes) |
| Data export | USB storage device |
| Power requirements | 950 W; 115/240V – 50/60 Hz |
| Dimensions (W x D x H) | 40 x 58 x 66 cm |
| Weight | 52 kg |
| Optional accessories |
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