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Fluke 1550C Insulation Resistance Tester, 5kV

Model: 1550C

Test voltages up to 5kV and resistance measurements up to 1TΩ. This tester features a voltage breakdown detection that alerts the user that voltage is present and gives the voltage reading up to 600VAC or DC for increased user safety.

Your Price $4699.99 USD
Availability 3 to 4 Weeks

Add In-House Traceable Calibration to your 1550C

Fluke 1550C Ground Resistance Tester Offers

The Fluke 1550C offers digital insulation testing up to 10 kV, making it ideal for testing a wide range of high voltage equipment including switchgear, motors, generators and cables. It can conduct the entire range of test voltages specified in IEEE 43-2000 with a best-in-class, CAT IV 600 V safety rating. With measurement storage and PC interface, the 1550C is the perfect tool for preventative or predictive maintenance programs designed to identify potential equipment failures before they occur.


  • Test voltages up to 10 kV provides solutions for all applications
  • Voltage breakdown detection alerts the user that voltage is present and gives the voltage reading up to 600 V ac or dc for increased user safety
  • Select and customize test voltages - 50 V steps, from 250 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
  • No additional setup needed with the automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) features
  • Guard system eliminates the effect of surface leakage current on high-resistance measurements
  • Large digital/analog LCD for easy viewing
  • Ramp function for breakdown testing
  • Timer settings up to 99 minutes for timed tests


  • Automation & Process Control
  • Industrial
  • Maintenance & Repair
  • Medical
  • Metering
  • Mining
  • Oil & Gas
  • Motor Drive & Control
  • Safety
  • Sensing & Instrumentation

Fluke 1550C Specifications

Test Voltage/Earth Resistance Range 250V: 50GΩ; 500V:100GΩ; 1000V: 200GΩ; 2500V: 500GΩ; 5000V: 1TΩ
Accuracy -0%, +10% @ 1mA load current
Leakage Current Range 1nA to 2mA AC
Accuracy ±(5% rdg. + 2nA)
Capacitance Range 0.01uF to 15.00µF
Accuracy ±(15% rdg. + 0.03µF)
Live Circuit Warning 30V to 660V AC/DC, 50/60Hz
Accuracy ±(15% rdg. + 2V)
Click here for complete specifications on the Fluke 1550C

What's included with the Fluke 1550C

  • Fluke 1550C Insulation Resistance Tester
  • Color Coded Test Cables with Alligator Clips
  • Infrared Adapter with Interface Cable
  • FlukeView Forms CD-ROM
  • AC Power Cord
  • Carrying Case
This product features Fluke Connect Technology

See it. Save it. Share it. All the facts, right in the field.

Fluke engineers have delivered an innovative mobile platform and tool that helps solve everyday problems, allowing you to instantly document measurements, retrieve historical data, and share live measurements with your team. All handled by the Android™ or iOS smart phone you already carry.

Fluke Connect with ShareLive™ video call is the only wireless measurement system that lets you stay in contact with your entire team without leaving the field. The Fluke Connect mobile app is works with over 20 different Fluke products - the largest suite of connected test tools in the world.

Make the best decisions faster than ever before by viewing temperature, mechanical, electrical and vibration measurements for each equipment asset in one place. Get started saving time and increasing your productivity.

Fluke Connect Features:

  • TrendIt™ Graphs: Use graphing to show changes in measurements, allowing you to graph and show problems instantly.
  • EquipmentLog™ History: Access equipment history building a database of equipment health and baselines with cloud backup.
  • ShareLive™ Video Calls: Save, collaborate and share measurements instantly with your team anytime, from anywhere.
  • AutoRecord™ Measurements: Instantly save measurements to your phone with Cloud backup.
  • Fluke Cloud™ Storage: Securely access equipment records anywhere, anytime.

Fluke Connect Benefits:

  • Maximize uptime
  • Minimize maintenance costs
  • Better assessments with accurate records
  • Higher efficiency with less walking around; no notebook and excel needed
  • Share troubleshooting knowledge live
  • Create and share helpful content in the field
  • Access to Fluke digital product manuals means no need to carry manuals in the field
  • Keep organized manually entered measurements

Click on a category to view a selection of compatible accessories with the Fluke 1550C Insulation Resistance Tester, 5kV.

Fluke pc3000 FC Adapter and Software PC3000-FC
This USB adapter and software allows your PC or laptop to communicate with up to 10 Fluke Connect wireless devices.

Review the Fluke Corporation 1550C

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Fluke Connect is the best way to stay in contact with your team without leaving the field.

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