English Product Name

Overview

The Erichsen #460FC Viscosity Conversion Software is a dedicated engineering utility designed for laboratory and production environments where precise, standardized viscosity assessment using efflux cups is critical. Built upon established empirical correlations defined in DIN 53211, ISO 2431, and ASTM D1200, the software implements validated conversion algorithms to interrelate flow time (in seconds), kinematic viscosity (mm²/s or cSt), dynamic viscosity (mPa·s or cP), and fluid density (g/cm³). It does not perform physical measurement but serves as a deterministic computational bridge between standardized cup-based test outputs and internationally recognized rheological units—enabling traceable, repeatable data interpretation without manual lookup tables or interpolation errors.

Key Features

• Real-time bidirectional conversion between efflux time (s) and kinematic viscosity (mm²/s) for DIN, ISO, and ASTM standard cups—including Zahn, Ford, ISO Flow Cups (e.g., ISO 4, ISO 6), and DIN 4-6 variants.
• Integrated density-aware calculation engine supporting dynamic viscosity derivation: η = ν × ρ, where η is dynamic viscosity (mPa·s), ν is kinematic viscosity (mm²/s), and ρ is mass density (g/cm³).
• Graphical overlay visualization of overlapping measurement ranges across cup types—highlighting optimal cup selection based on expected viscosity range and required resolution.
• Overflow time indication for cups operated beyond nominal capacity, flagging potential measurement invalidity per ISO 2431 Annex A guidelines.
• Minimalist DOS-native interface requiring only keyboard input; optimized for reliability in legacy QC lab environments with constrained hardware resources.
• Multi-language support (English, French, German) embedded directly in executable binaries—no external localization files or runtime dependencies.

Sample Compatibility & Compliance

The #460FC software accepts input from any efflux cup conforming to DIN 53211 (Type A–D), ISO 2431 (Types A–F), or ASTM D1200 (Zahn Cups #1–#5, Ford Cups #3–#4). It assumes Newtonian behavior within the operational shear rate window typical of gravity-driven cup flow (approx. 10²–10⁴ s⁻¹), and is not intended for non-Newtonian fluids without prior shear-thinning correction protocols. While the software itself is not a measuring instrument, its conversion logic aligns with the metrological traceability framework outlined in ISO/IEC 17025:2017 Clause 7.7 (Sampling and handling of test items) and supports GLP-compliant documentation when used in conjunction with calibrated cups and validated timing procedures.

Software & Data Management

Distributed as a standalone MS-DOS executable (.EXE) on 3.5″ floppy disk (Order No. 0173.01.31), the #460FC requires no installation, registry modification, or system-level privileges. It operates on IBM PC/AT-compatible systems with VGA graphics (640×480, 16-color mode), ≥1 MB free hard disk space, and a minimum 286 CPU. All calculations are deterministic and reproducible—no randomization, caching, or network calls. Output values are displayed on-screen and may be manually transcribed; the software does not generate exportable files or logs, consistent with pre-GxP-era audit requirements. Licensing is provided per concurrent usage count (1-, 5-, or 10-seat contracts), with no activation servers or online validation.

Applications

• Quality control labs verifying coating, ink, adhesive, and resin formulations against specification limits expressed in cSt or mPa·s.
• Technical service teams supporting customers performing field viscosity checks with portable efflux cups.
• Educational institutions teaching fundamentals of rheometry and standard test method interpretation.
• Regulatory documentation packages where traceable unit conversion is required under ISO 9001 clause 8.5.1 (Control of production and service provision).
• Legacy manufacturing sites maintaining DOS-based QC infrastructure due to hardware longevity, regulatory inertia, or integration with older PLC-controlled dispensing systems.

FAQ

Is the #460FC software compatible with modern Windows operating systems?
No—it is a native MS-DOS application and requires either a legacy DOS machine or a rigorously configured DOSBox environment with VGA output emulation; it is not supported on Windows NT-based kernels (XP onward) without compatibility layers.
Does the software include calibration certificate or uncertainty statements?
No—the software implements published conversion equations and contains no embedded uncertainty propagation; users must apply measurement uncertainty budgets from their cup calibration certificates (e.g., ISO/IEC 17025-accredited) separately.
Can I use this software for non-Newtonian fluids like paints or gels?
Only with caution and documented justification; efflux cup methods assume Newtonian flow, and deviations require supplementary shear-rate modeling outside the scope of #460FC.
Is technical support available post-purchase?
Yes—authorized distributors provide documentation review and usage guidance aligned with DIN/ISO/ASTM standard interpretations, but do not offer code-level debugging or OS porting services.
What constitutes valid licensing for multi-user deployment?
Licensing is strictly seat-based: a 5-seat contract permits concurrent execution on up to five independent DOS workstations; network sharing or virtual machine cloning violates the license agreement.