• Home
  • Products
    • Oil Regeneration
      • CMM-6RL Oil Regeneration Unit
      • CMM-10RL Transformer Oil Regeneration Plant
      • CMM-12R Oil Regeneration Systems
      • CMM-12R Oil Regeneration System (With Activated Bauxite)
      • CMM-8RSL/4000 Transformer Oil Regeneration Plant (With Fuller’s Earth)
      • USB-6 Oxidation Inhibitor injection unit
      • СММ-0,001U Laboratory Oil Filtration Unit
    • Oil Purification & Degassing Machines
      • CMM-0.6L Oil Degassing & Filtration Cart
      • СММur-1L mobile oil plant
      • CMM-1.0LT Transformer Oil Purification Unit
      • CMM-1H Oil Processing Unit
      • CMM-2.2LT Industrial Oil Purification Unit
      • CMM-4,0T Turbine oil filtration
      • CMM-4,0LT Transformer Oil Purification Unit
      • CMM-4/7 portable oil degassing unit
      • CMM-6LT Industrial Oil Purification Unit
      • CMM-6/7 Degassing Unit
      • CMM-8LT Oil Processing Unit
      • CMM-10 — Transformer Oil Purification Machine
      • CMM-15 Oil Degassing Plant
    • Oil Filtration Machines
      • CMM-1,0CF Unit for Removal of Water from Oil
      • CMM-2,0CF Unit for Removal of Water from Oil
      • CMM-1,2Fr Industrial oils filtration unit with self-cleaning filters
      • CMM-4,0F Oil filtration unit
    • Oil Drying Unit
      • ZP-130 Sorbent Cartridges
      • ZP-260 Sorbent Cartridges
    • Oil Heating
      • PPM Inline Oil Heater. Stream oil heating
    • Fuel Polishing
      • TOR-1 diesel fuel moisture content tester
      • CMM-6RL dark diesel fuel polishing machine
      • CMM-6RL dark heating fuel polishing machine
      • CMM-6RL low-viscosity marine fuel polishing machine
    • Online Transformer Dry-Out Systems
      • CMM-260C Online Transformer Dry-Out System
      • TOR-4 Online Transformer Dry-Out System
    • Online Transformer Monitoring Systems
      • TOR-5 Online Transformer Monitoring System
    • Transformer Maintenance
      • Mojave Heat (Sukhovey): Hot Air Dryer Unit
      • UVV Vacuum Cold Trap
      • US-6S Transformer Drying Oven
      • LFD Low Frequency Heating Device
      • BV-3000 Transformer Evacuation System
      • BV-5000 Transformer Evacuation System
      • UVD Vacuum Oil Filling Unit
      • UVD-1000 Oil Filling and Transportation System
      • TSS Transformer Safety System
      • CMM-6RL Oil Regeneration Unit
      • CMM-10RL Transformer Oil Regeneration Plant
      • CMM-12R Oil Regeneration Systems
    • Vacuum Transformer Drying Ovens
      • US-6S Transformer Drying Oven
    • Sorbent Processing
      • ZP-130 Sorbent Cartridges
      • ZP-260 Sorbent Cartridges
    • Instruments – Transformer Oil Testers
      • TOR-1 Oil Moisture Meter
      • TOR-2 Hydrogen and Moisture Analyzer for Transformer Oil Monitoring
      • TOR-3 (TOR-3 SL) Oil Tan Delta Tester
      • TOR-6 Transformer Oil Moisture and Particles Tester
      • TOR-7 Universal Transformer Oil Tester (moisture, gases, solid particles)
      • TOR-8 tester for residual gas content of insulating oil
      • TOR-60 (TOR-60 SL) Breakdown Voltage Tester
      • TOR-80 (TOR-80 LSL) Breakdown Voltage Tester
      • TOR-80A (TOR-80 ASL) Transformer Oils Breakdown Voltage Tester with Battery
      • TOR-100 (TOR-100 SL) Breakdown Voltage Tester
    • Wind Turbine Service
      • CMM-G wind turbine gearbox oil changer (with dimensions adapted to the customer’s trailer ones)
      • CMM-G Wind Turbine Gearbox Oil Changer
      • CMM-GL Wind Turbine Gearbox Oil Changer
      • CMM-0.6L Oil Degassing & Filtration Cart
      • CMM-4,0T Turbine oil filtration
    • Medical Equipment Maintenance
      • CMM-0.6 X-ray Transformer Oil Purifier
      • AVSk-150 Hospital Wastewater Treatment Complex
    • Blending systems
      • USBL-1 Laboratory Blending System
      • USB-1 Fuel oil blending system
      • USB-5 high-speed mixing unit for production of sanitizers (0.15 – 0.3 m3/h)
      • USB-5 high-speed mixing unit for production of sanitizers (1.1 m3/cycle)
      • USB-6 Impeller Stirrer
      • Colloid Mill
      • Vortex Layer Devices
    • Colloid Mill
      • Colloid mills for food industry
        • CLM-100.3 Colloid mill
      • Colloid mills for bitumen emulsion production
        • CLM-0.25.1 Laboratory colloid mill
        • CLM-2/4 Colloid mill
        • CLM-16/25 Colloid mill
      • Colloid mills for bitumen modification
        • CLM-8/16 Colloid mill
        • CLM-10/20 Colloid mill
        • CLM-40.2 Colloid Mill
      • Colloid mills for different applications
        • CLM-100.2 Colloid Mill
        • CLM-200.2 Colloid Mill
    • Vortex Layer Devices
      • AVS-100 Mixing Machine. Vortex Layer Device
      • AVS-150 Chemical Mixing Machine
      • AVSp-100 Vortex Layer Device (Semi-Automated)
      • AVSp-150 vortex layer device (semi-automated)
      • AVSk-150 Wastewater Treatment Complex
    • Bitumen emulsion plant, Bitumen Emulsion Production
      • CLM-0.25.1 Laboratory colloid mill
      • USB-2 Bitumen emulsion unit 2 m3/hour production capacity
      • USB-2 Bitumen emulsion plant 8 m3/hour production capacity
      • FB Bitumen filter
      • USB-6 Impeller Stirrer
    • Bitumen Modification Plant. Modified Bitumen Production
      • USB-3 Bitumen modification laboratory system
      • USB-3 Continuous Bitumen Modification Unit (12 m3/hour)
      • USB-3 Bitumen modification unit 16 m3/hour production capacity
      • USB-4 Modified bitumen collection tank (USB-3)
      • USB-6 Impeller Stirrer
    • Laboratory system for Bitumen Emulsion Samples
      • CLM-0.25.1 Laboratory colloid mill
      • CLM-100.1 Bitumen Emulsion Laboratory System
      • USB-3 Bitumen modification laboratory system
    • Biodiesel Equipment
      • USB-1L Biodiesel laboratory equipment
      • USB-1 Biodiesel equipment
        • Filters
          • The filter GC Fine with a filtration factor β = 4000
        • Vacuum Pumps
          • GC Roots Vacuum Pumps
          • مضخات التفريغ GC Vane (مضخات دعم)
    • Custom Equipment
      • CMM-4R TRANSFORMER OIL REGENERATION MACHINE
      • CMM-1 MOBILE OIL PLANT
      • CMM-2.2 MOBILE OIL PLANT
      • CMM-4 MOBILE UNIT FOR POWERED TRANSFORMER OIL PROCESSING
      • CMM-12A DEGASSING UNIT
      • CMM-1CO CABLE OIL DEGASSING UNIT
      • CMM-5M INDUSTRIAL OIL PURIFICATION MACHINE
      • CMM-8RP Sorbent Reactivation Unit
      • BDK-3 CATALYTIC CONVERTER
      • CMM-600CF TRANSFORMER OIL FILTRATION AND REFILLING MACHINE
      • SN-1 PUMP ASSEMBLY
      • SBE-30 BITUMEN EMULSION COLLECTION TANK (UVB-1)
      • UVB-1 BITUMEN EMULSION UNIT 1 M3/HOUR PRODUCTION CAPACITY
      • UVB-1 EXTENSION 1 M3/HOUR PRODUCTION CAPACITY
      • INDUSTRIAL MIXER – COLLOID MILLS CLM-4 SMALL
      • BIG COLLOIDAL MILL CLM-18 GRINDING MACHINE
      • INDUSTRIAL MILL – GIANT COLLOIDAL MILL CLM-22
      • CMM-0.6 Clean Marine Oil Degassing Cart
      • Compressed Air Supply Unit UOV
    • Accessories & Components
  • Dealers
  • Tech School
    • Webinar Registration
  • News & Articles
  • History
  • Reviews
  • AskMe
  • Contacts
  • EN
    • FR
    • ES
    • PT
    • DE
    • Arabic

Smart search

×
  • You must be logged in to create new topics.
Login with Google

Testers

How is tan delta testing used in transformers?

Asked: September 17, 2025 at 7:32 am by Ashley Hall
  • This topic has 1 reply, 2 voices, and was last updated 7 months, 3 weeks ago by Eric King.

Answers

  • September 17, 2025 at 7:57 am by Eric King

    Tan delta measures dielectric loss and insulation condition. To get valid results, oil must be completely dry and clean. GlobeCore vacuum systems prepare oil for reliable tan delta testing, preventing insulation failures and false readings.

Articles by Topic

  • GlobeCore and TransVolt Host a Free Webinar on Moisture Management in Power Transformers
  • GlobeCore Showcased Equipment at TEMCA M&E Expo Thailand 2025
  • Diesel fuel moisture and particles content tester TOR-6
  • Transformer oil moisture and particles content tester TOR-6
  • Lubricating oil moisture and particles content tester TOR-6
  • Hydraulic oil moisture and particles content tester TOR-6
  • Mineral transformer oil universal tester TOR-7
  • Silicone transformer oil universal tester TOR-7
  • Midel 7131 transformer oil universal tester TOR-7
  • FR3 dielectric fluid universal tester TOR-7
  • Mineral transformer oil residual gas content tester TOR-8
  • Silicone transformer oil residual gas content tester TOR-8
  • Midel 7131 transformer oil residual gas content tester TOR-8
  • FR3 dielectric fluid residual gas content tester TOR-8
  • Participation in the International Seminar on Electrical Testing of Transformers, LTCs, and Diagnostic Techniques for Insulating Fluids
  • Transformer Oil Testing – Transformer Reliability with BDV, Tan Delta, and Dissolved Gas Analysis
  • Diesel fuel moisture and hydrogen content tester TOR-2
  • Hydraulic oil moisture and hydrogen content tester TOR-2
  • Lubricating oil moisture and hydrogen content tester TOR-2
  • Transformer oil moisture and hydrogen content tester TOR-2
  • FR3 dielectric fluid tan delta tester TOR-3
  • Midel 7131 transformer oil tan delta tester TOR-3
  • Silicone transformer oil tan delta tester TOR-3
  • Mineral transformer oil tan delta tester TOR-3
  • FR3 dielectric fluid breakdown voltage tester TOR-80
  • Midel 7131 transformer oil breakdown voltage tester TOR-80
  • Silicone oil breakdown voltage tester TOR-80
  • Transformer oil breakdown voltage tester TOR-80
  • Hydraulic oil moisture content tester TOR-1
  • Lubricating oil moisture content tester TOR-1
  • Transformer oil moisture content tester TOR-1
  • Zero sequence impedance test of transformer
  • Diagnóstico de transformador
  • Transformer Diagnostic Equipment
  • Oil Moisture Sensor TOR-1

Only registered users can answer. No account? Sign up!

Ask question

GlobeCore Related Posts

plants-image

TOR-2 Hydrogen and Moisture Analyzer for Transformer Oil Monitoring

plants-image

TOR-3 (TOR-3 SL) Oil Tan Delta Tester

plants-image

TOR-80 (TOR-80 LSL) Breakdown Voltage Tester

  • Home
  • Products
  • Dealers
  • Tech School
  • Contacts

® Copyright by - 2026 © GlobeCore

GlobeCore, Sadovskogo 14, Poltava, Ukraine, 36034

This website uses cookies to improve your experience. By continuing to browse, you agree to our use of cookies. на We use cookies to improve your browsing experience. Read more in our Privacy Policy.

forum-form-logo

Sign up

forum-form-logo

Sign in

To continue log in with Google.

Google Login