VDE 0370-15:1999-12
Current
The latest, up-to-date edition.
MINERAL INSULATING OILS - DETERMINATION OF KINEMATIC VISCOSITY AT VERY LOW TEMPERATURES
01-12-1999
Einleitung
1 Anwendungsbereich
2 Normative Verweisungen
3 Definitionen
4 Prinzip
5 Geräte
6 Kalibrierung
7 Verfahren
8 Angabe der Ergebnisse
Bild 1: Viskosimeterbad und Zubehör
Defines a procedure for the determination of the kinematic viscosity of mineral insulating oils, both transparent and opaque, at very low temperatures, after a cold soaking period of at least 20 h, by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer. Applicable at all temperatures to both non-Newtonian and Newtonian liquids having viscosities of up to 20 000 mm2 x s-1. Suitable for the measurement of the kinematic viscosity of liquids for use in cold climates, at very low temperatures (-40 or at temperatures between the cloud and pour-point temperatures (typically -20C) where some liquids may develop unexpectedly high viscosities under cold soak conditions.
| DocumentType |
Standard
|
| PublisherName |
Verband Deutscher Elektrotechniker
|
| Status |
Current
|
| Standards | Relationship |
| IEC 61868:1998 | Identical |
| DIN EN 61868:1999-12 | Identical |
| EN 61868:1999 | Identical |
| DIN 57370-1 : 1978 | INSULATING OILS; NEW INSULATING OILS FOR TRANSFORMERS AND SWITCH GEAR |
| VDE 0370-1 : 2012 | FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR (IEC 60296:2012) |
| DIN EN ISO 3104:1999-12 | Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity of transparent and opaque liquids (includes Corrigendum AC:1999) (ISO 3104:1994 + Cor 1:1997) |
| ISO 3105:1994 | Glass capillary kinematic viscometers — Specifications and operating instructions |