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Reuben Saltzman

HIKMICRO B20 Infrared Camera Review

The folks at HIKMICRO recently reached out to me about testing one of their infrared cameras, and they sent me a B20 camera to try out. The specs look pretty comparable to the FLIR E6-XT, but this camera retails for $549 on Amazon, which is about a quarter of the cost of the FLIR E6-XT. But I’ve learned that specs alone never tell the whole story, so I was quite skeptical. Because the E6 is a very similar camera that I’m quite familiar with, I’m going to compare these two cameras a lot in this review.

Note: the new version of the E6 is the E6-XT. I don’t own that camera.

Size, shape, and feel

The B20 is a traditional pistol-style infrared camera with a handle, a trigger, and a screen. It’s significantly smaller than the E6 in every dimension, which is great.

B20 vs E6 Size and shape

For home inspection work, the smaller the tool the better. It has a built-in lens cover for the infrared portion of the camera, but the optical lens doesn’t get covered by this. Why not? I think it should, and a slight modification to the design could have made this happen. Oh well, not the end of the world. I forget to use my lens cover half of the time anyway.

This camera takes pictures in portrait mode, which is definitely not my preference. All of the photos that we use for inspection reports are either in landscape mode or they’re square images. If we started using this camera for our reports, we’d likely hold it sideways, which means any temperature readings on the screen would appear sideways. Again, not the end of the world, but not ideal.

Unlike the E6, the B20 does not have a removable battery. Not a big deal, as it claims to have a 6-hour operating battery life. Wow. It also has a USB-C charging port, which is great.

Field of view

The B20 has a 37.2° x 50° field of view, which is very similar to the E6, which has a 45° x 34° field of view.

Built-in camera

The B20 has a built-in optical camera, but unlike the E6, you can’t take an infrared image and an optical image at the same time. Switching between infrared and optical is very clunk. You have to hit menu, scroll down to image settings, select image settings, select preview mode, arrow down to optical, select it, then hit back three times. All of those steps would make the optical camera nearly useless for me.

Update: A firmware update has fixed this limitation, and the B20 can now capture optical and infrared images simultaneously, which is fantastic.

The real value of the optical camera is that it gives the B20 image blending, which combines an infrared image with an optical image. To see what I mean, check out the two comparison images below.

Fusion image

Because the blended image looks so good, this is probably the only setting that I would use for home inspections.

Resolution

The B20 has a resolution of 192×256 and a thermal sensitivity of < 40mK. This is better than the E6, which has a resolution of 160×120 and a sensitivity of < 60mK.

Image casting

After downloading the mobile app for my phone, casting the infrared display to my phone was a snap. This is a handy feature for home inspectors who write reports on their mobile devices because the images are captured right where they need to be. There’s no need to manually transfer IR images from my camera to a computer or mobile device.

Miscellaneous

To take a photo with this camera, you need to pull the trigger twice. This is very annoying. Every infrared camera I’ve ever used takes a photo with one trigger pull. I hope future versions of this camera will change that or at least have a menu option to let me change that.

Fast boot. This camera takes about 10 seconds to boot up, which puts the E6 to shame. The E6 takes about 45 seconds. On the negative side, there’s no “sleep” feature for the B20. When you turn it off, it’s fully off, and you have to fully boot up again every time.

Images

I captured several infrared images side-by-side with the FLIR E6. The B20 is on the left, and the E6 is on the right. Because the B20 takes images in portrait orientation, I held the E6 sideways to record these.

B20 vs E6 Comparison 1

B20 vs E6 Comparison 2

B20 vs E6 Comparison 3

B20 vs E6 Comparison 4

B20 vs E6 Comparison 5

B20 vs E6 Comparison 6

B20 vs E6 Comparison 7

B20 vs E6 Comparison 10

B20 vs E6 Comparison 11

B20 vs E6 Comparison 12

I’d say these images are comparable, but the blending of the infrared and optical images on the B20 tends to wash out some of the color differences. I personally prefer the look of the E6 images, but it’s not a huge difference. And just for fun, here are a couple of infrared-only images from both cameras:

B20 vs E6 Comparison 13 IR Only

B20 vs E6 Comparison 9 IR Only

The B20 clearly looks crisper and more defined, but it’s not an apples-to-apples comparison because the E6 only has a resolution of 160×120.

Conclusion

I’d call these two cameras comparable. I don’t like everything about the B20, but considering the fact that I could buy four of them for the price of a comparable FLIR, it’s very hard to justify the price of a FLIR camera.

Also, we’ve started using the FLIR C5 pocket cameras in place of the E6 cameras at my company, and HIKMICRO makes a direct competitor to that camera for a similar price, called the HIKMICRO Pocket2. Look for a review of that camera in the coming months.

For more info about this camera, visit HIKMICRO’s website, Facebook page, or Instagram page.

2 responses to “HIKMICRO B20 Infrared Camera Review”

  1. Breken Davis
    August 9, 2022, 11:05 am

    Hello,

    Recently I have been doing a lot of research into purchasing a Thermal Imagery camera for my company and your videos have helped a lot with understanding many components that I need to look for (thanks for describing MSX, didn’t really understand it before your vid).

    I am pretty sure my selection has come down to the FLIR C5 and the HIKMICRO Pocket2, but I haven’t seen any reviews that are helpful. I noticed that you were hoping to make a review and was just wondering if you had a date set for that video yet?

    Thanks for your time and all that you do!
    Breken

  2. Reuben Saltzman
    August 9, 2022, 12:35 pm

    Hi Breken,

    I’m guessing I won’t have a video posted for another two months or so. Sorry to keep you waiting!

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