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Innova

Innova 3340 Professional Automotive Digital Multimeter, Black

    • Based on 9,411 reviews
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Style: 3340


Features

  • Designed to pinpoint engine problems; tests alternator diodes, duty cycle, solenoids, breaker points, wiring, switches and more
  • Features auto-ranging, auto shut-off and over-load protection
  • Measures up to 15 amps for device testing
  • 10 MegOhm input impedance; safe for electrical and automotive use; prevents damage to the vehicles ECU
  • Includes temperature probe, inductive RPM clamp and carrying case

Description

The INNOVA 3340 Automotive Digital Multimeter is the pros choice for a high- quality multimeter. The pro quality features help pinpoint engine problems while the 10 MegOhm impedance prevents damage to the ECU. It Includes temperature probe to measure temperature in both Celsius and Fahrenheit. Also use the inductive pick up to vehicle RPM (including coil on plug vehicles). This unit provides hands-free testing with test lead holders. Additional features include auto-ranging, auto shut-off, over-load protection, automatic zero adjustment and reverse polarity protection. The min/max and hold buttons save retrieved data and the rugged corner guards provide drop protection. The INNOVA 3340 is great for testing alternator diodes, duty cycle, solenoids, breaker points, wiring, switches, and more.

Brand: Innova


Power Source: Corded Electric


Style: 3340


Color: Black


Item Weight: 0.5 Pounds


Brand: ‎Innova


Power Source: ‎Corded Electric


Style: ‎3340


Color: ‎Black


Item Weight: ‎0.5 Pounds


Item dimensions L x W x H: ‎12.5 x 4.5 x 6.5 inches


Measurement Type: ‎Multimeter


UPC: ‎042173033409


Manufacturer: ‎INNOVA


Global Trade Identification Number: ‎09,


Model: ‎3340


Item Weight: ‎8 ounces


Product Dimensions: ‎12.5 x 4.5 x 6.5 inches


Country of Origin: ‎China


Item model number: ‎3340


Batteries: ‎2 AA batteries required. (included)


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎3340


OEM Part Number: ‎3340


Date First Available: July 7, 2004


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: within 30 days

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Perfect for almost all home handyman uses
Style: 3320
---10-23-2017 EDIT--- I still have all 3 of my Innova 3320 multimeters, and they are still working great. Each one gets used a couple times a month on average, so they have more than paid for themselves over what has now been 6+ years of ownership. I also haven't felt a need to upgrade them in that time, so these 3 meters along with a 4th multimeter (that has a clamp style ammeter that I need occasionally) are all I own right now. There is a small quirk I have noticed with this meter, so I figured I would mention it in case anyone else has the same issue. Sometimes one of my meters will start giving a reading that is a bit erratic, almost like it's having a hard time knowing what it's supposed to do. Alternately, the autoranging feature will sometimes also become a bit sluggish in coming up with a final result to display. I mainly notice it when I'm working in DCV mode, and the issue pops up now and then on all 3 of my meters. Whenever one of my meters begins having this issue, a quick full rotation of the mode selection dial back and forth 5-6 times fixes the problem right up. I'm guessing there must be a little bit of dirt working down onto the sliding dial contacts (located directly underneath the mode selection dial) causing a poor electrical connection there over time. The dirt is probably getting in via the small gap around the dial itself. That dirt/residue is being scraped off by the sliding contacts when the dial is rotated back and forth a few times so that's why everything starts working perfectly again. Another thing I thought I would mention is that for the last couple years I have been using Eneloop rechargeable AA batteries in all 3 of my meters instead of regular disposable alkaline batteries. My meters all run perfectly on the Eneloops even though rechargeable AA batteries only put out 1.2vdc instead of 1.5vdc. ---END OF EDIT--- This is a great meter as long as you are getting it for the right tasks. The auto ranging feature works great as long as you are measuring something of a decent value whether it be resistance, voltage, etc. This is not the meter you would want for doing sensitive electronics, fine adjustments of electrical components, computer work, etc. This meter will not be accurate enough and consistent enough to be of much use for those types of applications. This meter is absolutely amazing for its price when it comes to doing (120vac) home electrical, automotive (12vdc) electrical troubleshooting, furnace troubleshooting (24vac), solar installation testing and troubleshooting (12-48vdc), etc. For electrical maintenance and installation tasks I almost exclusively use continuity, voltage, and resistance measurements to look for broken circuits, check for voltage loss across terminals due to corrosion, verify correct wiring after a new installation, etc. This meter also works great for testing automotive sensors for proper function. Most automotive sensors have resistance levels in the 400 to 700 ohm range when operating properly and this meter measures levels like that very consistently and accurately. Where this meter does falter a little is when you need to measure a very low resistance level or a very high level of resistance accurately. The auto ranging feature gets a little confused or slow, and is not good at giving the same result if the same test is repeated several times. The reason I am giving this meter 5 stars is because the issues with this meter are really not issues to me, because the situations that cause those issues can usually be worked around and 99% of the things I use this meter for work accurately and rapidly. I have used many high quality fluke meters and they work great in all situations, but they are also a lot more expensive. I will gladly give up 1% usability for a meter that is one fifth the price. I have also used meters that are cheaper than fluke meters and are still accurate in all situations, but they require you to set the range for every test done which adds time to everything and if you are wrong you can blow fuses, etc. This meter is fast, because I just turn the dial to the right mode, put the leads on and get a result I can use and I can move on. Another really nice feature I have never seen on another meter is the battery tester. It is great for rapidly testing to see if a spare battery you find in a drawer is a new one that became separated from its' package, or if it is a dead one that got lost on the way to the recycling bin. This meter is also nice because if you accidentally damage it or lose it you are not out much money. This meter works so perfectly for the tasks I need it for that I have bought 3 of them just in case they stop selling them, because there are no other meters I like as much as this one that cost less than $75. Then I am able to keep one in the car at all times for emergencies, one in the garage for working on cars, and one inside the home that stays nice and clean for home related tasks. ... show more
Reviewed in the United States on March 29, 2011 by Jeremy
    • Model 3300a. Inexpensive. Well Built. Accurate. Fits in a Shirt Pocket. No Amps Functions.
Style: 3300
Review Image by Galen Evans Galen Evans
Review Image by Galen Evans Galen Evans
Review Image by Galen Evans Galen Evans
Review Image by Galen Evans Galen Evans
Review Image by Galen Evans Galen Evans
I'm an engineer with access to a high-precision certified calibrator and decided to evaluate the Innova 3300a. It is one of thinnest, smallest, flat form-factor Volt-Ohm meters available. It easily fits into a shirt pocket (see picture). There is no case or cover over the display. The probes are permanently attached, but the connection seems sheltered by the wrap-around cable storage channels with probe clips. The probe tips have removable protectors for crowded test points. (See Picture) Also, it is easy to unfurl one lead and use the other while still stowed away snapped to the meter; or one can use both leads while the meter is held to your wrist by elastic bands. So, overall my first impression is that it is an improved design for a small volt-ohm meter. But, is it accurate? My old mini-meters are more guesstimate devices than measuring tools. The meter functions are Volts (AC & DC) and Ohms with the related diode (Applied voltage below 1.000 VDC) and continuity functions (beeps when resistance is below 60 Ohms). There are no functions for Amps, frequency, min/max, duty cycle, temperature, battery check, or anything else; just Volts and Ohms. However, Volts and ohms solves an amazing number of problems when troubleshooting. (And you could use a tiny amp probe or a shunt for amps if really needed.) The 3300a is low priced, with specifications typical of low-priced meters. I didn't expect much. However, it also is far more accurate than advertised. The specifications are a basic DC accuracy of 0.8% of Reading plus 5 least significant digits or counts (0.8% rdg + 5 cnts). I tested every range (200mV, 2V, 20V, 200V, & 600 VDC) at 10% and 95% of range. The worst DC error I observed was 0.3 mV at 190mV (that's 3 counts or 0.16%). ALL of the other DC test points were off by 1 count or less! (See pics at 12V and 1.5 V, common battery voltages) I tested in a similar fashion every Volts AC range at 50 & 60 Hz. Volts AC had more error than Volts DC, but none observed more than 7 counts with 120.0 VAC indicating 120.3 (3 counts) and 240 VAC indicating 238 VAC (no decimal place, so 2 counts error). There was no difference in measurements observed between 50 & 60 Hz. Resistance measured 3 counts high near the max of each range and better closer to 10% of range. The specification is (1% rdg + 5 cnt) but the actual performance was about (0.1%rdg + 1 cnt). The diode function seemed to have a bit more error than DCV, but was well within specification. (See Picture of 0.900000 V feed.) In summary, this is a delightful find - Inexpensive, well built, accurate, easy to carry and easy to use. I am ordering 3 more as gifts, and one for my desk. Disclaimer: I bought and paid for this myself. All statements are my observations and my opinions about the model 3300a, Lot number 220701 delivered to me - yours may be different. I have no relationship with the manufacturer, seller, or Amazon other than that of end user & customer. ... show more
Reviewed in the United States on September 11, 2023 by Galen Evans Galen Evans

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