Herguth - Transformer Oil

Transformer Oil

Herguth Laboratories, Inc. provides in depth analysis of transformer oils, using state-of-the-art laboratory instruments and certified technicians. The tests listed are designed to assist you in maintaining your transformer oil.

Quality Programs
ISO 9002

Nuclear Grade - 10 CFR 50 Appendix “B”

If you do not find the tests you need listed, please call 800-645-5227. We can design custom test packages for you upon request.

Dissolved Gas Analysis
ASTM D-3612 (Reported in ppm

•	Oil Temp - C
•	Hydrogen - H2
•	Methane - CH4
•	Ethane - C2H6
•	Ethylene - C2H4
•	Acetylene - C2H2
•	Carbon Monoxide- CO
•	Carbon Dioxide - CO2
•	Nitrogen - N2
•	Oxygen - O2

Oil Screening Analyses

•	Acid Number	ASTM D-974
•	Appearance	HL-1121
•	Color ASTM	ASTM D-1500
•	Specific Gravity	ASTM D-1298
•	Dielectric Strength	ASTM D-877
•	Interfacial Tension	ASTM D-971
•	Power Factor @ 25C	ASTM D-924
•	Power Factor @ 100C	ASTM D-924
•	Water by Karl Fischer	ASTM D-1533

General Transformer Oil Testing

•	Acid Number	ASTM D-974
•	Appearance	ASTM D-1121
•	Color ASTM	ASTM D-1500
•	Copper Corrosion by Copper Strip SEE ASTM 1275	ASTM D-130
•	Density by Digital Density Meter	ASTM D-4052
•	Density, Relative Density (Specific Gravity	ASTM D-1298
•	Dielectric Breakdown of Insulating Oils	ASTM D-1816
•	Dielectric Strength of Insulating Oils	ASTM D-877
•	Dissolved Gas Analysis (DGA)	ASTM D-3612
•	Filter Patch Test	HL-1142
•	Flash & Fire Point by Cleveland Open Cup	ASTM D-92
•	Flash or Fire Point by Cleveland Open Cup	ASTM D-92
•	Furanic Compounds (Cellulose Degradation)	ASTM D-5837
•	HIAC Particle Count	HL-1184
•	HMB Biomass Culture Study	HL-1161
•	Interfacial Tension	ASTM D-971
•	Metals by ICP (24 Elements)	HL-1158
•	Metals by ICP Additional Elements (each)	HL-1158
•	Microbial Growth	HL-1126
•	Oxidation Inhibitor (DBPC / DBP)	ASTM D-2668
•	Oxidation Stability (pressure vessel)	ASTM D-2112
•	PCB Screen (A), PCB Level (B)	HL-1147
•	Pour Point	ASTM D-97
•	Power Factor @ 100C	ASTM D-924
•	Power Factor @ 25C	ASTM D-924
•	Power Factor @ 25c and 100C	ASTM D-924
•	Refractive Index	ASTM D-1218
•	Resistivity	ASTM D-1169
•	Viscosity at 100F -SUS	ASTM D-445
•	Viscosity, Kinematic 40C cSt	ASTM D-445
•	Viscosity, Special Temperature	ASTM D-445
•	Water by Karl Fischer	ASTM D-1533

Sample Syringes

Sample syringes are available in 20, 30, 50 and 100 ml sizes with 3 way vales and plugs.

Sampling Transformer Oils
Detailed sampling instructions can be found in the American Society of Testing and Materials (ASTM) Standard Book Volume 10.03. These standard practices are and available through Herguth Laboratories, Inc. or www.astm.org

Standard Practices Specific to Sampling are:

•	D-923	Sampling Electrical Insulating Fluids
•	D-2759	Sample Gas from Transformer Under Positive Pressure
•	D-3305	Sampling Small Gas Volume in a Transformer
•	D-3316	Sampling Insulating Liquids for Gas Analysis and Determination of Water Content.

For more information call 1-888-HERGUTH (437-4884)

Home

Corporate History

Affiliations and Certifications

FAQ

Customer Service

Staff and Facilities

888-HER-GUTH
San Francisco Area - 101 Corporate Place, Vallejo, CA 94590
Chicago Area - 1600 Shore Road, Suite H, Naperville, IL 60563