Honeywell MK9540-32A38 Handheld Barcode Reader with USB Host Interface, 5V DC, 25 mW, Black

The Honeywell MK9540-32A38 handheld barcode reader is black, has a laser and a USB cable to connect to the host system, and can be used to scan and decode linear one-dimensional (1D) barcodes. A 650-nanometer (nm), 825 milliwatt (mW) laser produces a single line of light to scan the barcode. A trigger automatically activates the laser when a barcode is placed within range of the device's infrared (IR) sensor. A CodeGate setting allows the scan line to be visible but prevents barcode data from being transmitted until a button is pushed to help reduce accidental scans.

The barcode reader's USB cable can be plugged into the USB port of a computer or another host system (sold separately) to transmit barcode data. A configuration utility allows the firmware to be updated as needed to take advantage of new improvements or features. A stand (sold separately) enables the barcode reader to be used in a fixed position. This product weighs 149 g ( 5.3 oz. ) and measures 198 x 78 x 56 mm/ 7.8 x 3.1 x 2.2 inches (H x W x D). (H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

) For a complete set of product specifications, please see the manufacturer's brochure. Barcode scanners, also known as barcode readers, can be used to scan and decode barcodes and to transmit barcode data to a computer or another host system. Barcode readers with a single-line laser can be used to scan linear, one-dimensional (1D) barcodes. Some lasers can produce light in an omnidirectional pattern to allow scanning of barcodes from different angles. Other barcode readers contain CCD (charge-coupled device) light sensors instead of a laser for accuracy and wear resistance. Barcode scanners with raster scanning, area imaging, and other scanning technologies can allow scanning of two-dimensional (2D) or Portable Document Format 417 (PDF417) barcodes, among other types.

Some barcode readers provide onboard flash memory to allow the storage of barcode data before transmitting it to a computer or host system through a USB cable or wireless WLAN or Bluetooth connection. Many barcode readers have a handle for handheld use and come with a stand or a charging cradle for fixed position applications, while others are designed for stationary use on a counter or another flat surface. Some portable readers are small enough to be carried in a pocket or attached to a lanyard. Barcode readers are used at retail checkout counters and other points of sale (POS) locations and in warehouses and shipping facilities.

Honeywell manufactures products, materials, and technologies used in aerospace, transportation, and automation and control systems. The company, founded in 1885, is headquartered in Morristown, NJ.