InstroTek, Inc.

Nuclear Gauge Calibration & Service
Nuclear Gauge Calibration & Service Nuclear Gauge Calibration & Service

Nuclear Gauge Calibration & Service

Are you tired of unreasonable charges, poor service, and long turnaround times? Call us for the best prices, the best quality, the friendliest, and the most knowledgeable service technicians!

We Guarantee our Workmanship! We are not finished with your gauge until you are fully satisfied!

  • ISO/IEC 17025:2005 Accredited 3 and 5 block calibrations
  • Expert engineers and technicians with more than 35 years of combined experience
  • Fast turnaround time
  • InstroTek customers love our NO HASSLE SHIPPING. Give us a call, and let us prepare all your shipping arrangements.
  • ASTM and AASHTO recognized three and five-block calibration
  • Low-cost year-round prices
  • Over 4500 sq. ft of space dedicated to calibration and repair
  • NIST Traceable Standards
  • Background-controlled and wall-insensitive calibration bays

Year-Round Full Three Block Calibration Specials With:

  • Free full mechanical inspection
  • Free cleaning and lubrication
  • Free signal adjustment and inspection
  • Free 24-hour extended electronic inspection test
  • Free scraper ring replacement


Don't take any chances with your nuclear gauges! Trust the experts for all your servicing needs. Call any of our regional offices below today to schedule your service and ensure your equipment is running at its best!

SOUTHEAST (Headquarters): (919) 875-8371
NORTHEAST: (215) 645-1064
MIDWEST: (616) 726-5850
MOUNTAIN WEST: (303) 955-5740
PACIFIC: (925) 363-9770

You can also email us at: