Celebrate 30 years of service with 30% off! 

As our 30th year in service wraps up, we want to keep the party going! Enroll with a 30% discount off select Interlaboratory Comparison / Proficiency Testing (ILC/PT) enrollments. 

Celebrate three decades of NAPT supporting the Metrology Community with proficiency testing and measurement confidence, with an enrollment for your end-of-year compliance activities.

During our 30 years of Service Sale, we are giving laboratories the opportunity to save 30% on select Interlaboratory Comparison / Proficiency Testing (ILC/PT) enrollments by entering the promo code below.

Enter promo code: 30YEARS when enrolling.

Terms and conditions

  • Enrollment with the 30 yrs of Service Sale ends December 31, 2026 
  • Payment must be received by Upon Receipt to qualify 
  • Eligible ILC/PTs will be scheduled between November 2026 and January 30, 2027 
  • Limited openings are available for each ILC/PT 
  • Participation is confirmed on a first-come, first-served basis 
  • Additional member discounts do not apply during this promotion 

Electrical 

  • AC WATT-331 
  • CAPACITANCE-1409 
  • DMM-512 
  • DMM-719 
  • HIGH-RES-5024 
  • HIOKI-3334 
  • RESISTANCE-201 
  • RESISTANCE-415 
  • RTD Indicator-2613 
  • RTD SIM-2603 

Dimensional 

  • ANGLE-2024 
  • IMC-618 
  • IMC-720 
  • RPS-102 
  • SPLINE-117 
  • THTP-317 
  • WIRE-220 

Mechanical 

  • DUROMETER-218 
  • FORCE-2610 
  • FORCE-2611 
  • FORCE-2612 
  • FORCE-301 
  • FORCE-924 
  • MASS-317 
  • MASS-417 
  • MASS-520 
  • PIPETTE-2511 
  • PRESSURE-1319 
  • PRESSURE-1523 
  • PRESSURE-1723 
  • PRESSURE-2412 
  • PRESSURE-515 
  • PRESSURE-515 
  • PRESSURE-715 
  • PRESSURE-822 
  • TESTBLOCK-320 
  • TORQ DRIVER-2516 
  • TORQ DRIVER-2518 
  • TORQ WRENCH-2519 

Thermodynamic 

  • DryBlock-2508 
  • Dry Block-2509 
  • THER-206 
  • THERMISTOR-323 
  • TEMP-214 
  • TEMP-THERMOCOUPLE-2608 (E) 
  • TEMP-THERMOCOUPLE-2608 (J) 
  • TEMP-THERMOCOUPLE-2608 (K) 
  • TEMP-THERMOCOUPLE-2608 (T) 

Availability varies by ILC/PT kit schedule. Some ILC/PT kit schedules have only a limited number of openings remaining.