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Sekonic SR-3500 OMR Scanner
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Efficient High-Speed Scanner for Precision Form Processing

The Sekonic SR-3500 is a compact, high-speed scanner designed for accurate, single-sided form processing in educational, governmental, and research settings.

The Sekonic SR-3500 is a fast and reliable scanner made to read large numbers of paper forms like test answer sheets or surveys. It scans one side of a page at a time and can quickly process thousands of sheets, making it perfect for schools, research labs, and government offices.

The SR-3500 offers reliable and efficient data capture for a wide range of applications including exam grading, surveys, assessments, and ballot processing.

With the ability to scan thousands of sheets per hour, the SR-3500 ensures accurate reading of marked responses, handling full-page documents with multiple columns and rows. Its durable build and easy operation make it a dependable solution for high-volume data processing tasks.

  • ✓ High-Speed Scanning
  • ✓ Single-Sided Scanning
  • ✓ Ideal for High-Volume Environments
  • ✓ Low Maintenance Requirements
  • ✓ Accurate Optical Mark Recognition

SR-3500 at a Glance

01

3,500/hr

Forms per hour

02

Single Side

Optical mark reading

03

48 × 109

Columns × lines

04

USB 2.0

USB + RS-232 interface

Features & Technical Specifications

Detailed specifications and information about the Sekonic SR-3500.

Dimensions & Weight

Dimensions Width: 370 mm, Depth: 520 mm, Height: 250 mm
Weight 17 kg (37.5 lbs)

Power Supply

Voltage AC 100V to 240V
Frequency 50Hz to 60Hz

OMR Reading

Read Head Single-sided optical mark reading (OMR) head
Scan Area 48 columns × 109 lines per sheet
Scanning Speed 3,500 forms per hour

Document Transport

Feeding System Automatic feed with friction roller system
Controls Start/Stop Button, Form Feed/Eject Button, Error Indicator Lights, Status Display Panel, PC Software Interface

Document Sizes

Minimum Document Size 63.5 mm × 110 mm (2.5" × 4.33")
Maximum Document Size 228.6 mm × 355.6 mm (9" × 14")

Communication

I/O Communications USB 2.0, RS-232
Communication Speed 115,200 bps

Utility Software

Optional Software OMRSoft Pro
Purpose Managing form templates, scanning response sheets, validating marked data and exporting results to databases or spreadsheets

Accessories

Included Accessories AC Power Adapter and Cable, Interface Cables, Form Feed Tray / Input Hopper, Output Tray, Cleaning Kit, Transport Case, Replacement Rollers

The Sekonic SR-3500 is designed to process large quantities of paper forms quickly and efficiently.

With a processing speed of up to 3,500 forms per hour, it is suitable for environments where thousands of forms need to be processed within a short period.

The Sekonic SR-3500 uses Optical Mark Recognition technology to read marked answers on paper forms.

It detects filled bubbles, checkboxes and other designated marks, helping organizations reduce manual checking and improve data collection efficiency.

The SR-3500 can be used for a wide range of high-volume form processing applications.

  • Examination and test grading
  • Surveys and assessments
  • Ballot processing
  • Educational institutions
  • Government departments
  • Research organizations

The SR-3500 is designed for organizations that require continuous high-volume data processing.

Its durable construction, reliable feeding mechanism, error detection system and low maintenance requirements help support consistent operation during extended scanning tasks.

Please mail your requirements at sales@omrsolutions.com or call us at +91-9313761122 .

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