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  • Supco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms
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by Supco

Supco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms

50 customer reviews
| 8 answered questions

List Price: $135.72
Price: $80.89 & FREE Shipping. Details
You Save: $54.83 (40%)
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3 new from $80.89 1 used from $58.24

Specifications for this item
Brand Name Supco
Part Number M500
UPC 687152021116
EAN 0687152021116
Item Weight 12 ounces
Number of Items 1
UNSPSC Code 41113623

An inexpensive alternative to expensive taut band (swing needle) megohmmeters, the M500 provides ... Read full product description



Product Features

  • Measure insulation values up to 1000 megohms at 500 VAC
  • Zone scale to indicate insulation condition
  • Hand held
  • Test Leads store in case
  • Operates on 2 C batteries (not included)

Product Details

  • Item Weight: 12 ounces
  • Shipping Weight: 12 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B004OMAWIA
  • Item model number: M500
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (50 customer reviews)
  • Amazon Best Sellers Rank: #3,001 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Frequently Bought Together

Supco M500 Insulation Tester/Electronic Megohmmeter with Soft Carrying Case, 0 to 1000 megohms + SE TL10 10-Piece Test Lead Set with Alligator Clips + UEi Test Instruments PDT650 Folding Pocket Digital Thermometer
Price for all three: $104.24

Buy the selected items together

Product Description

An inexpensive alternative to expensive taut band (swing needle) megohmmeters, the M500 provides fast and accurate measurements to verify the condition of insulation. Impact resistant. Soft carrying case included. Measurement/function - insulation resistance. Range - 0 to 1000 megohms. Applications: Test motor winding insulation and diagnose heat damaged, deteriorating insulation in hermetic refrigeration compressors, appliances, panel boards, relay control circuits, motors.


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Super tech on September 3, 2014
Verified Purchase
Excellent value for money. I work in commercial industrial A/C and megging out motors is something I do on a regular basis.
This thing is fairly accurate, I've tested it alongside a $1500 AEMC unit and it worked just fine. I wouldn't recommend it on stuff much bigger than 25hp. It's simply not precise enough to keep a trending log.

However for small compressors, blower motors, etc, it works great. It's also good for testing wiring inside units for those "intermittent" electrical issues we love to run across.

Downside, the leads are far too short.
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5 of 5 people found the following review helpful By Asoka K. Seneviratne on June 25, 2011
I had many meggers in my life. This Supco Digital is reasonably priced but does a excellent job. The LED system makes it much easier to use..Highly recommend.
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4 of 4 people found the following review helpful By Jimmy Williams on November 1, 2014
Verified Purchase
This meter is working out fine for checking compressors in refrigerator 's . I do appliance repair so it is just what I need for checking washer / dryer /frig/freezers .it a good tool And will be using it a lot. It is easy to use and I can. Show my customer the results right on the meter so they can see what I know what I'm talking about when I tell them the motor is failed or going bad .it LSO helps me look more professional.
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4 of 4 people found the following review helpful By Donald J. Kent on June 24, 2014
Verified Purchase
This a great tool for any technician who has to test motors, refrigerant compressors, etc Small and light enough to be always carried in your tool bag, easy to use.
Only complaint would be that the leads are short, another 6 inches wiuld have been nice.
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4 of 4 people found the following review helpful By grissom on October 24, 2012
Verified Purchase
Was exactly what I needed for my job. Have used it several times and has worked perfectly. Very good for checking 3 phase motors.
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12 of 16 people found the following review helpful By Frizzle fry on June 1, 2013
Verified Purchase
I thought I was buying a made in USA product. The picture clearly says " made in USA" on the tester. When it came it says on it made in china. As far as I can tell it may work ok . But if I knew it was made in china I would have purchased the cheaper Chinese model that does more. Bought it because I thought I was helping Americans .
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3 of 3 people found the following review helpful By Greg Kacmar on September 26, 2013
Verified Purchase
Use it all the time, work HVAC and it paid for itself 3X's first day I used it. A need to have for all Tech's !
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3 of 3 people found the following review helpful By JJJ on December 1, 2013
Verified Purchase
It is quick and fast. The clips are a little small, and the wires a little short, but still worth the money.
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