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Description:
The UHF Circle Tag with Hole is a rugged, high-temperature resistant RFID tag designed for tracking applications in metal-intensive environments such as cylinder manufacturing.
Purpose: Specially built for attachment onto cylindrical or metal equipment via a central hole, this tag facilitates reliable tracking, inventory control, and process automation in extreme conditions.
Key Features and Benefits:
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Engineered for direct-on-metal use in industrial environments
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Central hole design allows secure mounting with nut or bolt
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Operates reliably at extreme temperatures, up to 180°C short-term
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Long read range (up to 3 meters) on metal using fixed reader
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IP68-rated and chemically resistant for field durability
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Supports both EU and US UHF frequency bands with variant tuning
- Offers optional pre-encoding and surface customization
Technical Specifications
- Model Number: U7832930
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Other Variants:
- U7832930-EU (Alien Higgs-9 chip tuned for ETSI frequency)
- U7832930-US (Alien Higgs-9 chip tuned for US frequency)
- Chip: Alien Higgs-9
- Air Interface Protocol: ISO/IEC 18000-6C, EPC Global C1G2
- Frequency: 865–868 MHz (ETSI) / 902–928 MHz (US)
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Memory:
- Up to 496 EPC bits (nominally 96 bits)
- 48-bit unique TID
- Up to 688 user bits
- 32-bit access password
- 32-bit kill password
- Read Range: Up to 3 meters on metal (with fixed reader and linear antenna)
- Encasement: PPS / High-temperature plastic
- Color: White
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Dimensions:
- Outer Diameter: 50.6 ± 0.3 mm
- Hole Diameter: 15.9 ± 0.3 mm
- Thickness: 6 ± 0.2 mm
- Weight: 17 ± 0.5 g
- Attachment: Nut/bolt through central hole
- Applicable Surface: Metal
- Operating Temperature: -40°C to +150°C (up to 180°C for 30 min)
- Storage Temperature: -40°C to +80°C
- Ingress Protection: IP68
- Expected Lifetime: Up to 5 years in normal use
- Chemical Resistance: Resistant to salt water, motor oil, HCL, and IPA
Common Applications
- Cylinder manufacturing and lifecycle tracking
- Metal asset tagging in industrial plants
- Returnable container identification
- High-temperature industrial inventory management
- Process traceability in fabrication and welding industries