| Appearance |
IS 335 |
Visual Check |
| Colour |
6.1(c) of IS 1866 |
ASTM Scale (ref. ASTM D1500) |
| Density |
IS 1448 [P:16] |
Range of Hydrometers: 0.80–0.85 g/cm³ & 0.85–0.90 g/cm³ |
| Specific Resistance |
IS 6103 |
- Type of test cell: Flow through cell with solenoid valve
- Average voltage gradient: 250V(rms)/mm
- Frequency of test voltage: 50 ± 2 Hz
- Time of Electrification: 60s (resistivity)
|
| Dielectric Dissipation Factor |
IS 6262 |
| Electric Strength |
IS 6792 |
- Test Cell: as per Fig.2 of IS 6792, Gap: 2.50 ± 0.01 mm
- Frequency of test voltage: 50 ± 2 Hz
- Oil temperature: 27 ± 2.5 °C
- Type of stirrer: Magnetic
|
| Interfacial Tension (against water) |
IS 6104 |
Platinum Ring Method |
| Water Content |
IS 13567 |
Coulometric Titration method using Karl Fischer reagent |
| Neutralisation Value |
IS 1448 [P:2] |
Automatic Potentiometric Titrator |
| Sediments & Sludge |
Annex-A of IS 1866 |
Method as per standard |
| Flash Point |
IS 1448 [P:21] |
Pensky-Martens Closed Cup Method |
| * Fire Point |
* IS 1448 [P:69] |
Cleveland Open Cup Method |
| * Kinematic Viscosity |
* IS 1448 [P:25] |
U-Tube Viscometer |
| Dissolved Gas Analysis |
IS 3494 |
Applicable to Equipment in Service |
