CHAUVIN ARNOUX – Insulation Tester C.A 6555

15,000 V insulation tester

With its site-proof casing, the C.A 6555 insulation tester is used to check equipment insulation during manufacturing, on-site installation work, periodic inspections and recommissioning of installations.

They are ideal for electricity companies, manufacturers, installers, maintenance firms, industry, R&D centres and infrastructure.

Specially adapted for checking insulation on rotating machinery with a 12 kV power supply or higher, the C.A 6550 complies with the IEEE43
standard which recommends testing insulation at 5-10 kV.

Functions and 

Need more information?

Please contact +6221-5467618, +6221-54212399 or email [email protected]


  • Wide measurement range from 10 kΩ to 25 TΩ
  • Fixed or programmable test voltage from 40V to 15 kV
  • 5mA max. charging current
  • Large backlit LCD screen with digital display, bargraph and R(t)+u(t), i(t) and i(u) graphs
  • Automatic ratio calculation: DAR / PI / DD / DR (ppm/V)
  • Multiple test modes: voltage ramp and step with “burning”, “early break” and “I-limit” modes
  • 3 filters to optimize measurement stability
  • Calculation of R at a reference temperature
  • 80,000-measurement storage capacity and real-time clock
  • Optically-isolated USB communication for transfer onto PC and report generation with DataView® software
  • Power supply NiMH rechargeable battery with external charger
  • Compliant with IEC 61557 -1 -2
  • Electrical safety: IEC 61010 1000V CAT IV
  • Dimensions: 406 x 330 x 174 mm / 6 kg