What Is Human-Readable Information (HRI)?
Human-Readable Information (HRI)
Definition
Text printed near a barcode that presents encoded data in a form people can read without scanning the symbol.
Overview
Human-Readable Information (HRI) Text printed near a barcode that presents encoded data in a form people can read without scanning the symbol. HRI is the visible alphanumeric translation of the data encoded in a machine-readable symbol — for example, the GTIN shown under an EAN/UPC barcode or the element strings printed near a GS1-128 symbol. It exists to help operators, auditors, customs officers, customer service teams, and downstream partners verify, record, and manually enter the same data that scanners would read.
HRI is not decorative; it is a functional duplicate of encoded payloads. When a barcode encodes multiple fields (lot, expiration, serial, weight), the HRI may be arranged to show those fields in the same logical order and with the same identifiers (AI qualifiers, human labels) used by the encoding standard. That arrangement reduces errors during manual capture and speeds troubleshooting when scanning fails or when printed labels are partially damaged.
Why HRI Matters In Fulfillment
Fulfillment centers handle thousands of picks, labels, and shipments daily. Barcodes enable automated scanning, but HRI ensures continuity when automation cannot be relied upon. Human-readable text:
- Redundancy: Allows manual entry if a scanner fails or a label is ripped, smudged, or partially covered.
- Verification: Lets packers and quality controllers quickly confirm SKU, quantity, or lot without scanning every item.
- Compliance: Meets requirements in many supply chains where customs, regulators, or trading partners require readable identifiers in addition to machine-readable symbols.
How HRI Is Typically Formatted
Formatting practices vary by barcode family and by industry standards, but the following are common:
- Direct Mapping: The HRI shows the exact data string encoded (for example, (01)09506000134352 for a GS1-128).
- Readable Grouping: Multi-field payloads are grouped and labeled (e.g., GTIN: 09506000134352; Lot: ABC123; Exp: 2026-11-30).
- Font And Size: Sans-serif fonts with clear character spacing; minimum sizes are set by standards or customer agreements to ensure legibility.
Standards And Industry Expectations
Global and industry standards define how HRI should appear for particular symbologies. For GS1 barcodes, the General Specifications explain how to represent Application Identifiers (AIs) in HRI and whether parentheses or labels should be used for human clarity. Medical device regulation and other controlled sectors often require HRI alongside direct marking or UDI labels so recipients can read identifiers without specialized equipment.
Who Uses HRI In The Supply Chain
HRI supports a variety of roles:
- Warehouse operators: For picking, putaway, staging and discrepancy resolution when scanners flag an error.
- Receiving clerks and customs agents: Quick cross-check against packing lists and regulatory documents.
- Customer service and returns teams: Manual verification of SKUs, lot numbers, and expiration dates during claims or recalls.
Practical Example
A pallet arrives with GS1-128 pallet labels. The barcode encodes GTIN, batch/lot, and best-before date. If a mobile scanner cannot read the symbol because of label distortion, the receiver can read the HRI: GTIN 09506000134352 | Lot ABC123 | Exp 2026-11-30 — then manually enter or verify those values in the WMS and accept the shipment without delay. During a recall, staff can perform a visual sweep of boxes by matching HRI strings instead of scanning each item.
Best Practices For Printing And QC
- Consistency: Use the same HRI format across cartons and pallets so operators learn the pattern and can read faster.
- Contrast And Font: Print HRI in high-contrast ink on a non-reflective background. Choose clear fonts (Arial, Helvetica) and avoid condensed faces that reduce legibility.
- Placement: Place HRI immediately under or beside the barcode to make the relationship obvious; avoid placing it where tape or handling is likely to cover it.
- Inspection: Include HRI readability in label print QC procedures — not just barcode print quality checks.
In short, the Human-Readable Information (HRI) printed near a barcode is a small, low-cost redundancy that has outsized operational value: it reduces downtime when scanners fail, supports regulatory and trading partner requirements, and speeds human verification tasks in fulfillment centers.
Sources And Additional Reading (3)
- Barcodes
“Barcodes.” GS1, https://www.gs1.org/standards/barcodes.
- GS1 General Specifications
“GS1 General Specifications.” GS1, https://www.gs1.org/standards/gs1-general-specifications.
- Unique Device Identification System (UDI)
“Unique Device Identification System (UDI).” U.S. Food and Drug Administration, https://www.fda.gov/medical-devices/unique-device-identification-system-udi-system.
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