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AC Circuit Analyzer, 95 to 140V

Price $455.75 / each

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  • Item # 6UNU9
  • Mfr. Model # INSP-3
  • UNSPSC # 39121406
  • Catalog Page # 767
  • Shipping Weight 1.25 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemAC Circuit Analyzer
  • Voltage95 to 140VAC
  • IndicatorLCD
  • Load Current6 mA for GFCI, 30mA for EPD
  • Safety RatingCAT II 120V
  • StandardsEN61010-1:2001
  • IncludesPower Cord, 9V Alkaline Battery (Installed), Users Manual, Carrying Case
  • Manufacturers Warranty Length1 yr.
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Compliance and Restrictions


Rated 4.2 out of 5 by 28reviewers.
Rated 4 out of 5 by I like it, helps with troubleshooting. Excellent tool for the trained electrician. You need to spen some time with it getting to learn and understand its readings.The manual does not indicate How to reset the tool once you are done testing your GFCI.1-Press the GFCI button before you plug into it.2-once test is complete and the GFCI has tripped and unit is off. Press the GFCI button again.3-Hit the reset button on the GFCI. Now you can get all other readings.I found if you did not do this it will constantly trip the GFCI and not allow you to get any other readings. January 10, 2015
Rated 3 out of 5 by Waiting to get it right... My vendor tells me that NONE of the AFCI testers are doing great in the field, so while my review contains some criticism of Amprobe, I have my doubts that there are "better" testers out there. According to my contact, there should be a satisfactory replacement by June 2014.I ordered an Amprobe Insp 3 and have attempted to use it twice.The first time was out of the box and I simply tested some AFCI circuit breakers by wiring a receptacle directly to a few different breakers in my own electrical panel. Testing the AFCIs seemed to work great; I was very happy.However, when I tried to use it to test knob and tube circuits for voltage drops in a customer's house, the tester would immediately trip AFCI circuit breakers.I simply wanted to test the circuits/wiring and NOT the AFCIs. In other words, I would turn the unit on, plug it into a receptacle and the breaker would trip before any test could be performed. I tried this with 2 different AFCI circuit breakers with the same results. The same thing also happened with a GFCI receptacle. I did NOT touch the AFCI or the GFCI buttons during these tests. One thought did occur to me: if the AFCI protected circuits had shared neutrals, maybe that was causing the breaker to trip. Unsure.So, to eliminate that possibility and just to make sure it wasn't the wiring, I attached a receptacle directly to each AFCI circuit breaker at the electrical panel and had the same results -again, I did not touch the AFCI button. I also did do an AFCI trip test by turning on the unit, pressing the AFCI button and plugging it into the receptacle I had attached to the breaker -I got a clean AFCI test with a good test result.I feel I understand how to use this tester: before purchasing, I read the instructions online and watched Amprobe's (and other's) youtube videos to help me decide whether or not to purchase. Before using the tool, I also read the instructions.Essentially my issue is this: I can't make a voltage drop test on an AFCI breaker without near-instantly tripping the AFCI before the test even seems to start.I have contacted Amprobe tech support, they agree that there is a problem, and they instructed me to contact my vender for a replacement. May 5, 2014
Rated 2 out of 5 by Not currently Combo-Arc Fault Capable (??) The INSP-3 may have great attributes for conventional wire testing as well GFCI, but completely fails in the newer combo arc fault circuit breaker requirements as per NEC 2008/2011. I put one of these in the hands of a contractor who comes to our supply shop daily; this will not trip combo arc fault breakers like the Eaton BRCAF115 and by consequence, he failed his inspection. The INSP-3 may work on conventional arc-fault protection circuit breakers, but NOT the newer combo variants. December 31, 2013
Rated 1 out of 5 by Had This unit for a short time and it came up with the "Internal Fault Contact Factory" error. This unit obviously has a manufacturers defect that many users are experiencing. Amprobe offered us a unit at 50% off list price. Went with another manufacturer. November 1, 2013
Rated 5 out of 5 by Why are there two copies of the INSP-3 manual on this website? Neat product!However, there are two copies of the manual on this website - one for "INSP3" and the other for "INSP-3."The copies appear to be the same. Suggest you get rid of the one named INSP3, since the actual product name is INSP-3. September 2, 2013
Rated 1 out of 5 by Not made for the professional Excellent toy for the amateur or DIY'er but the quality or reliability is not there yet for the professional. We're on our fifth one in 2 years. I can not stress enough that If you are a professional expecting to use the product daily, move on, don't waste your money. Eventually you will get the "internal fault reading" contact factory. This fault renders the unit inoperable and requires replacement (at your cost). The factory will not repair the unit. We have made multiple calls to the factory and no one knows or can explain to us why this happens. We have purchased our last one. July 30, 2013
Rated 3 out of 5 by A decent tool, but not perfect. The INSP-3 is a nice addition to a set of testing tools, but it has a serious weakness. The GFCI test circuit is not implemented very well and uses circuitry which heats up a little after each test, eventually causing the unit to trip a GFCI breaker or receptacle as soon as it's plugged in and before you press the test button (after maybe four or five consecutive tests). This really needs to be addressed as many of the kitchens I install need to be tested in multiple locations (Plugmold, remote GFCI protected recepts, etc.) and the tester simply isn't up to the task.For non-protected circuits it works well and offers a lot of good information.I don't use the AFCI test often, so I can't comment on that. July 1, 2013
Rated 1 out of 5 by Problems with Arc fault testing.... I have gone thru three testers in three days. They've been good with getting me replacements. But when I get a new one I'll do three to four arc fault tests and it comes up with "internal fault contact factory" on the display. Also GFCI trip gets stuck, so every time you plug it in it'll trip the GFCI.If all your doing is testing for voltage under load, voltage drop, or ground resistance. Then this may be a good model for you... If your looking for a arc fault or GFCI tester. This may not be the model for you. February 12, 2013
  • 2015-03-27T19:45:13.193-05:00
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