(Intertronix: Chula Vista, CA) -- Intertronix, a California manufacturer of security labels, tamper-evident labels and seals, and hologram labels, established in 2005, is offering its tamper-evident calibration seals to quality and metrology teams that need a simple, auditable way to show that calibrated equipment has not been adjusted or opened between service intervals.

Calibration is only as trustworthy as the settings it leaves behind. Once a technician has verified a scale, meter, gauge, fuel dispenser, or test instrument, any later change to an adjustment screw, a housing, or a service port can quietly invalidate the result. Tamper-evident seals placed over those points make unauthorized access visible at a glance so auditors, operators, and customers can check that an instrument is still in its verified state.

Intertronix calibration seals are available in several constructions so teams can match the seal to the surface and the environment:
• Metallic VOID labels that leave a “VOID” pattern on the surface and on the label if anyone tries to peel them off
• Nonresidue VOID labels that show tampering without leaving adhesive residue on the equipment
• Destructible (eggshell-type) vinyl labels that break into small fragments and can’t be removed in one piece
• Holographic security labels that add a visual authenticity check that’s hard to copy
• High-performance constructions for equipment exposed to outdoor weather, UV, temperature swings, or cleaning

Seals can be custom printed with sequential serial numbers, 1D and 2D barcodes (including Code 128, QR, and Data Matrix), company logos, and warning text such as “Calibration void if broken.” Serialization lets a quality team record which seal number was applied to which instrument and when, then confirm during an audit or a customer inspection that the same seal is still intact. Small formats are available for adjustment screws, potentiometers, and access ports.

Typical users include in-house calibration labs, third-party calibration and repair providers, weights-and-measures and fuel-dispensing equipment service companies, manufacturers protecting factory settings, and laboratories that must show that test equipment hasn’t been altered between verifications.

Intertronix provides application guidance and free sample packs so teams can test adhesion and tamper response on their own equipment before ordering.

More information about calibration and gas station seals is available at https://www.intertronix.com/category-s/1985.htm.