Cheap Infrared Thermometer Gun Review & Real Tests

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Handheld laser infrared thermometer gun showing a temperature reading

Want a temperature without touching anything? A cheap infrared thermometer gun does exactly that, and mine turned out to be surprisingly accurate.

I picked up an inexpensive IR thermometer on Amazon (sold as a TopOne back then) and put it to work on ice water, a pot on the stove and a gas grill. The exact model from my video isn’t listed anymore, so the button below goes to a current, well-reviewed laser IR thermometer gun that works the same way: point, pull the trigger, read the screen.

Etekcity 774 Infrared Thermometer Laser Temperature Gun
Featured in this video
Etekcity 774 Infrared Thermometer Laser Temperature Gun
Check price on Amazon →
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Quick specs (from the video)
TypeHandheld non-contact infrared thermometer with laser pointer
Power2 AAA batteries (included with mine)
DisplayBacklit LCD
ButtonsLaser on/off, backlight on/off, °C/°F
AimingLaser dot plus pistol-style sights
Readings in my testIce about 28-32°F, warm water 130°F, pot 160°F, grill 250°F
👍 Pros
  • No contact needed, so you can read hard-to-reach spots
  • Batteries included, works right out of the box
  • Laser shows exactly where you’re reading
  • Backlit screen and quick °F/°C switch
  • Light, portable, about the size of your hand
👎 Cons
  • Reads the surface you point at, not the inside of food
  • The instruction booklet isn’t much help (you won’t need it, though)

▶ Watch the full review on YouTube

What comes in the box

It comes with a small instruction booklet and two AAA batteries, which is a nice touch on a budget tool. The front of the grip pivots down and snaps into place with a couple of detents, and that’s where the batteries go.

Honestly, this thing is point and shoot. Pull the trigger and it gives you a temperature.

Infrared thermometer unboxed with two AAA batteries
Two AAA batteries come in the box.

Buttons, laser and sights

Up front there’s the laser and, next to it, the opening where the temperature sensor sits. On top you get something pretty similar to pistol sights if you really want to aim it.

There are three buttons. One toggles the laser, one toggles the backlight, and one switches between Celsius and Fahrenheit. Mine came set to Celsius, so I switched it right away. I left both the backlight and the laser on, because I like having both.

When you let go of the trigger, the screen holds the last temperature it grabbed.

Back of the infrared thermometer showing the LCD screen and buttons
The LCD with the laser, backlight and °F/°C buttons.

How accurate is it? My kitchen and grill tests

First I aimed at my own skin and got 94.7°F, which may or may not be true, but it’s in the right neighborhood.

  • Ice water: with the laser on an ice cube it read 28°F, then 30°F and 32°F. Ice should be about freezing, so I’m impressed.
  • Pot of water warming on the stove: the water read 130°F and the metal pot 160°F, which makes sense.
  • Gas grill: 250°F on the grill surface and 175°F pointed into the flame area.

All of those were believable numbers, and the laser makes it obvious what you’re measuring.

Infrared thermometer reading 28 degrees on a glass of ice water
28°F on an ice cube.

What I’d use an IR thermometer for

The big draw is that you don’t touch anything. That’s great for hard-to-reach places like part of an engine or the inside of some equipment, or anything that isn’t really set up for a probe. Shooting channels use these to check hot gun barrels for the same reason.

It’s also handy for cooking and grilling, or for working on cars, just to make sure things are cool before you touch them.

Infrared thermometer aimed at a pot on the stove
Checking a pot on the stove: the metal read 160°F.

FAQ

What batteries does it use?

Two AAA batteries. Mine came with them.

Can it switch between Fahrenheit and Celsius?

Yes, there’s a dedicated button for it.

Can I turn the laser off?

Yes. One button toggles the laser and another toggles the backlight.

Is a cheap IR thermometer accurate?

In my tests the readings were believable: ice read about 28-32°F and warm water 130°F.

Does it need setup?

No, it’s plug and play. Put the batteries in and pull the trigger.

Etekcity 774 Infrared Thermometer Laser Temperature Gun
Ready to grab one?
Etekcity 774 Infrared Thermometer Laser Temperature Gun
Check price on Amazon →
#ad: As an Amazon Associate I earn from qualifying purchases.

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