Udeyraj & sons provides transformer oil test sets that are completely self-contained, compact and portable units giving smooth variable output voltage from 0 to 50, 60, 75, 100 kv for testing the dielectric breakdown strength of insulating oils in accordance with iss, bss, vde and astm. These test sets are rugged instruments with sheet metal cabinet, epoxy-casted. Hv transformer is incorporated with interlock switches for maximum operator safety and durability of equipment. The oil testers are tested and approved by idemi [government of india lab] for accurate performance and reliability as per iss. Manual, automatic-cum-manual and microprocessor-based models are available with all accessories required to use the oil test sets.