TanEV CDT®

Conductive Deposit Test

Test Methods

  • ASTM D8544
  • SAE J3200
  • US Army MILSPEC/Federal Test Method (FTM) Awaiting Approval

Principle

Conductive Deposit Test: The CDT instrument is designed to determine the tendency of lubricating fluids to form conductive layer deposits on exposed copper motor windings, connectors, and electrical components at elevated temperatures in an Electrified Vehicle (EV) Drivetrain. A specially modified circuit board (PCB) is lowered into ~20 mL of test fluid at 150°C for ~500 hours while supplied with a 5V DC signal. The resistance, in Ohms supplied to two voltage loops on the PCB, is
measured in both the liquid and vapor phases the duration of the test. A failed test occurs
when deposits conduct across copper traces on the PCB.

BROCHURE

Features

  • 150°C for 500+ Hours with 5V DC Applied to Two Voltage Loops per PCB
  • Tests Liquid & Vapor Phase Deposit Formation (~20 mL Sample Size)
  • Specially Designed PCBs with Critical Spacing for Drivetrain Simulation
  • 4-port Docking Station, Independently Controlled Units
  • Small Benchtop Footprint (30 cm x 32 cm)
  • Included in SAE J3200 for EV Drivetrain Fluids
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