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Fluke Connect™ 1555/1550C Insulation Tester

Supplier: Fluke Australia

Fluke insulation testers can now conduct the entire range of test voltages specified in IEEE 43-2000 with a best in class, 3 year warranty and CAT IV 600 V safety rating.


Fluke Connect 1555/1550C Insulation Tester

With measurement storage and PC interface, the 1555/1550C is the perfect tool for preventative or predictive maintenance programs designed to identify potential equipment failures before they occur.

The Fluke Connect™ mobile app is an easy to use, advanced wireless system for capturing and trending anomalies for troubleshooting, commissioning and preventative maintenance of insulation resistance applications.

Built with Fluke Connect™. See it. Save it. Share it.
The Fluke Connect™ mobile app saves time and increases productivity when you use your 1555/1550C insulation tester. Capture readings up to 15 meters away on your smartphone, then use ShareLive™ video call to share test results with team members anywhere else in the world in real time. Graph readings over time to establish baseline, capture intermittent events. Add text and/or voice notes while you push or pull readings, images and notes directly to and from work orders

Learn more about Fluke Connect™ »


  • Test voltages to up 5 kV and save time by trending on the spot only with Fluke Connect™
  • CAT III 1000 V, CAT IV 600 V safety rating
  • Warning function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC for increased user safety
  • Selectable test voltages in 50 V steps from 250 V to 1000 V, and 100 V steps above 1000 V
  • Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user defined, label for easy recall
  • Long battery life gives the user over 750 tests between charges
  • Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup
  • Guard system eliminates the effect of surface leakage current on high-resistance measurements
  • Large digital/analogue LCD for easy viewing
  • Capacitance and leakage current measurement
  • Ramp function for breakdown testing
  • Resistance measurements up to 2 TΩ
  • Timer settings up to 99 minutes for timed tests
  • 3-year warranty

See detailed specifications on the Fluke Connect 1555/1550C Insulation Tester »