CZUR ET24 Pro Review | PCMag

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Over the past few years, book or hanging scanners have made leaps and bounds in terms of quality and output features. Today’s CZUR (pronounced “Caesar”) ET24 Pro ($629), a direct competitor to the editor-award-winning IRIScan Desk 6 professional scanner, raises the bar for the functionality and capability of these devices. niche. It has higher resolution than its predecessor, supports A3 and larger input or source documents, an HDMI port for recording and presentation, and more. The ET24 Pro’s list price is $180 higher than the Desk 6, but like most tech products, it should drop after a month or two. Even as-is, the CZUR replaces the IRIScan as our Editors’ Choice current favorite of professional-grade overhead scanners for small to medium-sized offices, presenters, teachers, and others who need its very specific skills.


Digitize everything: books, magazines, etc.

Technically, you can argue that the ET24 Pro and other such overhead devices aren’t really scanners, in that they don’t capture paper content by passing a sensor over a page (or, in the case of most document scanners, one page on one sensor). Instead, they use high-resolution cameras that take pictures of book or magazine pages lying underneath, with no moving parts except the camera shutter.

CZUR ET24 Pro Scan Tasks

Not just a book scanner, the ET24 Pro can scan just about anything. (Credit: CZUR)

Over the past few years, IRIScan and CZUR have been engaged in a sort of war of features and functionality, with each company trying to outdo the other. The CZUR ET16 Plus was an answer to the IRIScan Desk 5 Pro, and the ET24 Pro seems to be an answer to the Desk 6 Business (and to a lesser extent the Desk 6 Pro).

CZUR ET24 Pro Scanner

The device consists of two parts, the upright scanning unit and an 18.9 x 14.2 inch mat for content. (Credit: CZUR)

Although there are many items in the box (more on that later), the CZUR Airborne Scanner consists of three main components: the scanner base with controls and ports; a side light for increased illumination; and the head, which contains additional lighting LEDs, a microphone, speakers and the 24-megapixel camera.

CZUR ET24 Pro multi-angle scanner head

A look at the ET24 Pro scanner head. (CZUR)

The head, shown in the image above, is where the action takes place. Not only does it house all of the media components like the camera, speakers, and mic, but at the top front you’ll see a small preview screen that displays your most recent scan.

Below is a pad of documents, approximately 19 by 14 inches, on which you place the content to be scanned. As I said, the device supports page sizes up to A3 or tabloid (11 by 17 inches), as does the ET16 and CZUR Shine Ultra Pro models, as well as the IRIScan Desk 6 Pro models. and Business.

The final important component is the bundled software, something CZUR calls an “all-in-one” application, which we’ll discuss momentarily. In terms of specs, the ET24 Pro supports pixel sizes up to 5696 by 4272; 24-bit color depth; and file export formats including Microsoft Word and Excel and image and searchable PDF, JPG and TIFF.

A unique feature of this aerial scanner is HDMI support in Visual Presenter mode, with an output resolution of up to 1920 x 1028 pixels at 20 frames per second. Most of the book scanners I’ve mentioned have features to record and play back video, but to date this is the first I’ve seen with an HDMI port to play back video directly to monitors or HD or live televisions.

CZUR ET24 Pro rear ports

The base contains an HDMI port, a reset button, a USB port for the hand button or foot pedal, a USB charging port, an AC adapter port, and the power switch. (Credit: CZUR)

Besides HDMI, the ET24 Pro also supports USB connectivity, but not Wi-Fi or Ethernet networks. Power comes from the included AC adapter or via USB cable, with a second USB port for connecting the supplied desk button or foot pedal for performing scans. Alas, you cannot connect these two commands at the same time. The IRIScan Desk 6 Business also comes with a button and foot pedal, just like the CZUR ET16, but the Desk 6 Pro only has a button.

CZUR ET24 Pro control options

There are four ways to control the scanner: foot pedal, hand button, base controls, and automatic scanning software. (Credit: CZUR)


Using the ET24 Pro

Almost all scan processing functions take place in the CZUR software after a scan or snapshot is triggered. Some of the most important features include automatic curve flattening, automatic page turning detection, automatic finger removal (if wearing the provided finger cots), automatic tilt correction, ABBYY optical character recognition Technology (OCR), automatic page splitting and image cropping. , trim, rotation and standardization.

Most of these features are self-explanatory. But to be clear, Automatic Curve Flattening is an algorithm that straightens pages at the binding so you don’t miss text near the spine of a book (shown below). Automatic page turning starts the next scan and the next when you turn the pages of a book or magazine.

CZUR ET24 Pro Curve Flattening Software

CZUR’s software automatically straightens or flattens text near the binding. (Credit: CZUR)

Optical character recognition is the scanner’s familiar task of converting scanned pages into searchable or editable PDF documents, or Word or Excel files. Features for video and presentation or online teaching work include limited photo and video correction or enhancement.

CZUR ET24 Pro business card scanning

Like most modern overhead and flatbed scanners, the ET24 Pro can film multiple objects at once and create separate files for each. (Credit: CZUR)


ET24 Pro review: Outstanding speed and output quality

CZUR says that and most of its other scanners can complete a scan in 1.5 seconds, which when you consider the time it takes for the scanner to transmit each image to the PC software for conversion and saving , looks about right. In fact, measuring the speed of a device that relies on you to turn a page or place new content on the notebook is an unscientific procedure at best, although processing 40 pages per minute is excellent for a scanner. manually fed.

I tested the ET24 Pro via a USB connection to our Intel Core i5 test bed running Windows 10 Pro and CZUR interface software. Its throughput predictably depended on my ability to stay alert and feed the scanner quickly and smoothly; I never hit 40ppm when saving to image or searchable PDF, although I hit 30ppm to 32ppm more than once. (That’s the fastest score I’ve managed from an overhead scanner; I suspect it’s possible I became more adept at serving returned pages after reviewing several.)

It’s important to note that this is obviously a simplex device, meaning you can only scan one page (or a two-page book or magazine) at a time. Single-pass duplex scanners with automatic document feeders capable of capturing both sides of double-sided pages in a single pass are, of course, much faster. (Of course, these pages must be free, unbound.)

As I’ve said many times, the fastest scanner on the planet is worthless if it takes you a lot of time fixing OCR errors. Luckily, this isn’t a problem I’ve encountered in recent years. The ET24 Pro and its software converted our sans serif (Arial) and serif (Times New Roman) test pages to error-free searchable PDF format with text sizes up to 6 points, matching the IRIScan Desk 6 Business .

That’s more than enough for most business and other documents (you’re unlikely to come across smaller fonts often), and these days, about average for most scanner types and price ranges. In other words, ABBYY OCR software is extremely accurate. The CZUR Shine Ultra Pro also scored 6 points error-free for both fonts, although the company’s ET16 Plus brought it down to 6 points for Arial but just 10 points for Times New Roman in its February 2018 review. Even that is fine, frankly, for most office scanning jobs. You’ll have to struggle to find an inaccurate scanner these days.

Given the diversity of this device, I also scanned several photos of various sizes, as well as brochures, flyers and other colored documents, to judge not the speed but the quality of the scan, in particular detail, brilliance and color accuracy, and how the CZUR handled halftones. With a few exceptions, I was completely satisfied, although I found myself occasionally adjusting the two overhead LED light bars and the removable side light to achieve perfect color and dither.


The verdict: great height scanning isn’t just for books

In many ways, the CZUR ET24 Pro and its ilk resemble old-school overhead projectors. However, capturing pages from books and magazines is just one of many possible uses, ranging from capturing objects for presentations to teaching in the classroom or online, to playing high-resolution video via HDMI. and the application of a multitude of document and other correction tools. While its 24-megapixel camera isn’t quite as sharp as the IRIScan Desk 6 Business’s 32-megapixel, the CZUR scans at 320dpi versus 300dpi resolution and has HDMI connectivity. This elevates it to our Editors’ Choice among professional-class overhead or book scanners.

The essential

The CZUR ET24 Pro is not just a book or magazine scanner, it scans just about anything you can put on the scanning pad. Plus, there are some additional features that make online meetings, presentations, and teaching easier.

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