Transformer oil tests: | Transformer oil test methods: |
Gas (CH4-1,CH4-2,CO,CO2,C2H2,C2H4,C2H6,O2,H2)in Transformer oil | Gas chromatography method |
Appearance at 15°C | ASTM D4176 |
Water Content | ASTM D1533B, D6304 |
Density at 15°C | ASTM D4052 |
Specific Gravity | ASTM 4052 |
Suspended Particles in Oil | Visual |
Dielectric Breakdown Voltage | ASTM D877 |
Sediment, Sludge | BS 5730 |
Interfacial Tension | ASTM D971 |
Kinematic Viscosity | ASTM D445 |
Color | ASTM D1500 |
Neutralisation Value mg KOH/g | ASTM D974 |
Flash Point | ASTM D92 |
Pour Point ° C | ASTM D97 |
Particle Count (NAS 1638, ISO 4406) | Automatic Particle Counter |
Dissolved Gas Analysis | ASTM D3612 |
Composition of insulating oils by petroleum origin | ASTM D2140 |
Disipation Factor at 100°C | ASTM D924 |
Pls contact us for the crrosponding test equipment for each test