Cat S61

Cat S61
Cat S61 black bottom
Cat S61 black front left side tilted ed
Cat S61 black left side
Cat S61 black back right side tilted ed
Cat S61 black back
Cat S61 black right side
Cat S61 black top

64 GB

Pro and cons Cat S61

  • Built-in FLIR heat camera
  • Robust housing is completely water and dust proof
  • Thick battery so long battery life
  • Equipped with air quality and distance meter
  • Pricey

Prices Cat S61 Unlocked

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$ 659.99 $ 659.99   View more

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“This bulldozer also works at night”


Cat S61 review: this bulldozer also works at night This time we get to review an eye-catching mobile; the Cat S61. A very robust phone with heat sensitive FLIR camera that can easily be mistaken for a builder's phone. That is partly true, but that would not do it justice. We will be happy to explain exactly how it looks here. Cat is a brand name of Caterpillar that you might know from the excavators. The company has lent its name to the Bullitt Group which markets rugged phones under the Cat name. This Cat S61 was announced in early 2018 and has been in stores since June 2018. Nevertheless, we are now reviewing it because it has a function that is especially useful in the cold days; a heat camera.

Cat S61 Product details

The Cat S61 is a rugged smartphone for professionals with a built-in FLIR heat camera. In addition, he has several handy built-in tools that can come in handy when doing your job. Which exactly and if you get the right tools we explain here.

Temperature to the comma

The Cat S61 looks a bit weird at first sight with its protruding hump on top. This is not without reason, because it contains the integrated thermal imaging camera. This so-called FLIR camera works on the basis of infrared and can therefore perceive the invisible. At a glance you can detect draught problems, leaks and short circuits. Handy for those who work with insulation or electricity. The FLIR camera displays temperatures up to 400 degrees Celsius in high HD resolution. This is better than the S60, which is also equipped with a FLIR camera. It only went up to 120 degrees and did so in a lower VGA resolution. Heat images from the FLIR camera are superimposed over the image from the 16 megapixel camera in the MyFLIR app so you have a clear overall picture with clear reference points. You can then save it as a photo, video, and even time-lapse. Information can be added such as a spot meter with the measured temperature to the comma.

Cat S61 black front left side tilted ed

Suitable for gloves

If we look further into the appearance of the S61, the robust housing certainly stands out. The control buttons are real knobs that can be operated with gloves and the rubber back, metal side and Gorilla Glass 5 front can take a beating. The device has an IP rating of IP68 and IP69K. This is the highest achievable and therefore completely dust-proof and resistant to high-pressure water. And with the MIL SPEC 810G standard, it also withstands high temperatures and salty fog. To make it waterproof, there are flaps in front of the charging port. So it's time to pick it up before it can be recharged. Luckily with a 4500 mAh thick battery you don't have to do that fast. This is more than enough for an average use of 2 days.

Main Cat S61 specifications

  • IPS screen of 5.2-inch large with sturdy Gorilla Glass 5
  • Sturdy water and dustproof housing withstands large temperature differences
  • 16 megapixel rear camera including FLIR-heat camera
  • Space for dual nano SIM card
  • 64GB of storage memory expandable via microSD card
  • fast mobile 4G Internet on the go thanks to LTE support
  • Rappe Snapdragon 630 processor on 2,2 GHz and with 4 GB of working memory
  • Selfiecam 8 megapixel large

Air quality and distance meter

A built-in heat camera is not the only tool that makes the Cat S61 ideal for professionals. For example, the device has a built-in laser distance meter and even an air quality meter. The latter warns you about, for example, toxic paint fumes but also provides information about temperature and humidity. All this is kept running by Google's Android platform, version 8.0 Oreo to be exact. Cat promises an update to Android Pie but at the time of writing it is not yet known when it will come. The choice of processor fell on the Qualcomm Snapdragon 630. This is a striking choice because we often see less powerful specimens in such robust phones. This chip has 8 cores at a maximum of 2.2 GHz and has 4 GB of working memory at its disposal. The 64 GB storage memory is expandable via a microSD card that is also hidden behind a cover here. Furthermore, the S61 has a built-in FM radio of which you unfortunately have to plug in headphones to work. A pity because with a thickness of 13 millimetres you would say that there was enough space inside for an integrated antenna.

Most important Cat S61 specifications

Dimensions 150 x 76 x 13 mm
Weight 145 grams
EAN code 5060472351135, 5060472351128, 0810296024686
Operating system
Android 8.0 (Oreo)
Color display 5.2 inch, IPS
Camera 16.0 Mpixel camera
Dirt and waterproof housing
Processor 2.2 GHz, Qualcomm Snapdragon 630, octa core
Secondary camera 8.0 Mpixel camera
Dual SIM
Data network
LTE (4G)
Build-in memory
Internal memory 4 GB, 64 GB
Power supply
Battery 4500 mAh
Fast charging

All Cat S61 specifications

Alternatives of the Cat S61

Scroll the table below to see more
Product images are relative in size
Cat S61
Nokia 800 Tough
RugGear RG650
Land Rover Explore
RugGear RG850
Photos relative in size
 Current product    
Android8.0 (Oreo)
8.17.0 (Nougat)8.1
Color display5.2 inch, IPS2.4 inch, TFT5.5 inch, TFT5.0 inch, IPS5.99 inch, TFT
Camera16.0 Mpixel camera2.0 Mpixel camera8.0 Mpixel camera16.0 Mpixel camera12.0 Mpixel camera
Dirt and waterproof housing
Processor2.2 GHz, Qualcomm Snapdragon 630, octa core1.1 GHz, qualcomm 205, Dual Core1.5 GHz, MediaTek MT6739, Quad Core2.6 GHz, deca core1.4 GHz, Qualcomm Snapdragon 430, octa core
Secondary camera8.0 Mpixel camera
2.0 Mpixel camera8.0 Mpixel camera8.0 Mpixel camera, flash
Dual SIM
LTE (4G)
Internal memory4 GB, 64 GB512 MB, 4 GB2 GB, 16 GB4 GB, 64 GB3 GB, 32 GB
Battery4500 mAh2100 mAh4200 mAh4000 mAh4000 mAh
Fast charging

Complete comparison between the Cat S61 and these alternatives or compare with other models

Questions and answers about the Cat S61