This item is a fair condition used Megger S1-552/2 5KV Insulation Tester. Calibrated to NIST standards on April 15, 2021. Includes black/blue Megger test leads with clamps, standard power cable, traceable Certificate of Calibration, and 90 day warranty. All pictures are of the actual unit.

This item comes with a 3 Month (90 day) warranty.  All functions are guaranteed to work or money will be refunded.

This item includes a 1 year NIST traceable CERTIFICATE of Calibration, dated April 21, 2021.


Any questions or clarifications, feel free to ask     

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For customers in the USA, all purchases arrive cleared. ALL brokerage or customs fees are prepaid by us.  Your item arrives FOB destination.


International Buyers Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. For more information of clarification, please ask.


Will ship worldwide. We make our best efforts to get you the best shipping prices. Contact us for other international rates and we will be pleased to give you a quote. We accept VISA / Mastercard. Paypal is also accepted. Sales to within Canada are subject to 5% GST.  Ontario sales subject to 13% HST.

Megger S1-552 5kV Insulation Tester Megohmmeter - NIST Calibrated with Warranty

  • The S1-552 is a microprocessor controlled 5 kV insulation tester offering measurement capability of up to 15 TΩ. The instrument performs automatic tests and has data storage and data retrieval facilities. Polarization index and dielectric discharge tests are performed automatically, and test duration and voltages can be adjusted according to user preference for these tests. A step voltage test can be performed automatically, with a default voltage of 1 kV, and test duration of 5 minutes. It is possible for the user to set different voltages and test durations for the step voltage test. 
    The S1-552 can be powered from the mains supply or by its own internal rechargeable battery, which provides for at least 6 hours of continuous testing with a 100 MΩ load. A battery level indicator on the LCD display indicates battery capacity. Connecting power to the mains supply connector will automatically charge the battery whether the instrument is switched ‘on’ or ‘off’, except during testing. A high level of internal isolation allows the instrument to be used while the unit is supplied from the mains. 
    An internal battery management system switches the instrument off after ten minutes of inactivity. If the battery approaches a very low state of charge the instrument turns itself off, and mains power must be applied before the instrument can be used again. Recorded test results and settings will not be lost when the instrument is switched off.

For Sales, Calibration, or Repair Services Call 1 (888) 868 - 4546

Contact Us 

750 Oakdale Rd Unit 52

Toronto, Ontario

M3N 2Z4 Canada

Local: (905) 406-0100 

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