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Innova 3320 Auto Ranging Digital Multimeter Review

INNOVA 3320 Auto-Ranging Digital Multimeter

Need to test your electronic items and electricity? A digital multimeter can help you a lot in this situation. Innova 3320 auto-ranging digital multimeter can be really helpful as it has got both the AC and DC option to help every type of test. Now you may think will this small tool be helpful for testing every kind of electric tools and circuits? This might be a small tool but works great with the electric items. It comes with a 315 mA, a 250-volt fuse which will help you to test the running electrical circuits comfortably. Also, there is some limitation of this tool. So, let’s check out how far it can help the users.

Whom is INNOVA 3320 Auto Ranging Digital Multimeter for?

Innova 3320 auto-ranging digital multimeter is not only subjected to professional technicians. It’s a simple tool that is really easy to use. Even an amateur will also find it easy to use. You just plug the wires provided with it and touch with the open end on the positive and negative end of an electric tool Innova shows you the reading. See, its noting complex anybody can get help by using of this tool.

Innova 3320 Auto-Ranging Digital Multimeter Explained

When you touch the negative and positive end of any electrical item with its wires, you get the reading of the items on the large screen of Innova 3320. The red and black wire is designed in a way to make the process easier for the users. At one end you have the jack to put it into the machine, and at the opposite end, you have a metal pin covered with highly resistant plastic so that users can hold the pin without getting any shock. This pin conducts sends a little current, and in return, you get the voltage and other readings comfortably.

How far this meter can help you? It is able to measure up to 2000 MA of AC and about 10 amps of DC. You will need just 2 AA batteries to run this machine successfully. The batteries run for long, as Innova features the auto shut off technology. If you keep the tool inactive for 15 minutes it will get shut automatically, thus it saves a lot of energy. Innova 3320 has got the crystal-clear screen which is really helpful to get the readings. Also, the manufacturer provides padding at the corner to keep it safe from the accidental drops.


  • Brand Innova
  • Dimensions 2? x 10? x 5?
  • Item Weight 10.4 ounces
  • Item model number 3320
  • Batteries 2 AA battery (included)


  • Affordable price helpful for the users
  • A versatile tool to get the reading of voltage of all types product
  • Precise reading
  • Compact tool with rubber corner protect to protect from drops
  • Color-coded LEDs for testing the battery


  • It’s not well prepared to test AC over 200 miliamps

Our Remarks

When you are trying to make sure that the electronic item’s or circuit’s quality there comes to the name of Innova multimeter 3320. The auto shut down feature gives the users the flexibility to run the tool for a long time without changing the batteries. It’s small you can easily put it in your side pocket and get off to your workstation. Innova 3320 is there to help you where ever you go.


Question : Will it be an effective tool to test the current leak?
Answer : This Innova 3320 is great to find out the parasitic leaks in boats and cars. Turn everything off, then disconnect the negative battery cable. Connect the meter in series if there is a leak in current it will show when you set it on The AMPS function.

Question : Want to test circuit breakers with this Innova multimeter, is it ok?
Answer : To me a cat 3 rated meters are best to test the running circuit breaker, and this is only a cat 2 rated meter. I think if you want to test home 120v/240v circuits it can do well.

Question : How low the Ohm level can it work with?
Answer : This simple tool is able to read 0.001 Ohms, which is really great.

Question : What is the configuration of its fuse?
Answer : A 315mA, 250V 5×20 mm fuse is used in this little tool.

About the author

Randall Glenn

A Certified Hand and Power Tools Technician

“Hey Glenn, can you help me with my cordless saw that won’t start?” “Hi Glenn, are you okay? I was wondering if you can put your hands on my inverter generator; its engine failed!” These are just some of the talks I usually hear 7-10 times a week. So, who am I? A hand and power tool expert; that’s what I do for a living. It’s my passion too as I love to see my neighbors working peacefully with their ‘noisy’ appliances and tools. Want to see what I’ve got to let you know? Read my articles on this website!

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