The Fluke 1550B Series is a digital insulation tester
capable of testing switchgear, motors, generators and
cables at up to 5000 V DC. it can be used for a wide
range of tests: from simple spot checks to timed tests
and breakdown tests. Measurement storage and PC interface
software make it ideal for preventative maintenance.
• Guard system eliminates the effect of surface leakage
  current on high resistance measurements.
• Ramp function (0 - 5000 V DC) for breakdown testing.
• Includes Quicklink 1550B Software and Optical Interface
  cable.
Safety Conformance
All inputs protected to IEN 61010-1,CAT III 600 V.and the
1550B is compliant to EN 61557 parts 1 & 2.