Scantron Opscan 4ES (OMR)


The OMR-only OpScan 4ES delivers 2800 sheets per hour throughput in a convenient desktop size.  


เครื่องตรวจข้อสอบ Scantron รุ่น Opscan 4ES (OMR)
เครื่องตรวจข้อสอบ Scantron รุ่น Opscan 4ES (OMR)
Scantron Opscan 4ES (OMR)
Trust the Scantron family of high precision data collection tools, with their proven OMR capture features, to meet your data management needs. The OpScan® 4ES optical mark recognition (OMR) scanner is one of the most versatile and efficient desktop scanners available for automated data collection. Its powerful processor delivers fast document throughput and provides a complete solution with a variety of off-the-shelf and custom software packages.

Physical Description

  • Length: 21.25”
  • Width: 14.5”
  • Height: 9”
  • Weight: 17 lbs.

  • Operating Temperature: 60° to 85°F (16° to 29°C)
  • Humidity: 40% to 60%, non-condensating

  • 100-240 volt operation: 100-240 volts AC (-10%, +6%): 50-60 Hz; US 3-prong plug; 15 amp dedicated circuit
  • Communications
  • USB 2.0, using a virtual serial port with user-defined protocol.

  • Read Heads: Dual read heads for two-sided form scanning, Contact Image Sensor Arrays, 16 level OMR, Pencil Read Capabilities.
  • Forms: 2.5” X 5” to 9” X 14” (60 – 100 lb. Off set)
  • Uses both Mark Reflex and Trans-Optic forms
  • Feeder Capacity: Auto-feed, 100 sheets
  • Output Stacker Capacity: 100 sheets main stacker, 100 sheets select stacker (if present)
  • Message Display: 40 character, alphanumeric
  • Scanning Rate: 2,800 sheets per hour (actual scanning rate depends on quantity of data read from the form and the amount of processing done on the data while scanning)
  • Multi-feed detection

  • Select stacker separates forms that fail edit checks
  • A programmable interactive printer that prints information on the sheet being scanned – based on the scanned data, such as error codes, alphanumeric messages, serial numbers, validation flags, and test scores – with no effect on the throughput rate
  • Bar code reader delivers application information
  • SelfScore® module for classroom test scoring and surveys



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