Accredited Calibration in Oxnard, CA

ISO/IEC 17025 accredited calibration and repair for dimensional, electrical, mechanical, and RF equipment. Nationwide mail-in calibration, or on-site service throughout Ventura County, Santa Barbara County, the Santa Clarita Valley, and Los Angeles.

Request a Quote

ISO/IEC 17025 Accredited

At QSI we take calibration seriously—that’s why we're ISO/IEC 17025 accredited. This accreditation demonstrates our commitment to precision measurement, rigorous quality control, and industry-leading expertise.

View Our Accreditation

Electrical & Electronic Calibration

Multimeters, oscilloscopes, clamp-on meters, power supplies, generators, hipot testers, and more than 40 other electrical and electronic instruments.

Torque Calibration

Torque wrenches, drivers, watches, and analyzers, from 5 lbf·in to 250 lbf·ft.

Pressure Gauge Calibration

Pressure gauges, transducers, vacuum gauges, and barometers, from vacuum to 12,000 psig, using deadweight testers.

Dimensional & Gage Calibration

Calipers, micrometers, gage blocks, thread gages, surface plates, crimp tools, and more than 40 types of dimensional equipment.

Force & Load Cell Calibration

Force gauges, load cells, cable tension meters, and wire pull testers.

Time, Frequency, and Accelerometer Calibration

Time, Frequency & Accelerometer Calibration

Frequency counters plus single-axis and triaxial accelerometers.

Temperature & Humidity Calibration

Thermometers, thermocouples, data loggers, and hygrothermographs, plus on-site calibration of chambers, ovens, and freezers.

Mass & Scale Calibration

On-site calibration of scales and balances, plus mail-in calibration of test weights.

RF & Microwave Calibration

Spectrum analyzers, network analyzers, signal generators, RF power sensors, attenuators, and filters.

Pipette Calibration

Single-channel, multichannel, and electronic pipettes from all major manufacturers.

Powered By Accredited Labs

As part of the Accredited Labs network, we bring you industry-leading calibration services backed by ISO/IEC 17025 accreditation, advanced technology, and a commitment to precision.

Customer-Centered Service

We prioritize clear communication, consistency, and reliability—ensuring your equipment is calibrated accurately, on time, and with minimal disruption to your operations.

Tailored Solutions for Your Industry

Our expert team takes the time to understand your unique calibration needs, providing customized support to keep you compliant and performing at your best.