How to Read an ISO/IEC 17025 Calibration Certificate (Quality Manager’s Guide)
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State-of-the-art calibration, repair, and environmental testing across 12 disciplines — performed by highly qualified experts, with online certificates and nationwide logistics from five accredited U.S. labs.
Since 1989, Techmaster Electronics has been the recognized leader in accredited test equipment calibration, repair, and environmental testing. Our ISO/IEC 17025 accredited laboratories serve aerospace, defense, medical device, semiconductor, and electronics manufacturers nationwide — with NIST-traceable measurements you can prove to any auditor.
One accredited partner for the full life cycle of your test and measurement equipment — from calibration and repair to rentals and compliance testing.
ISO/IEC 17025 accredited, NIST-traceable calibration for oscilloscopes, multimeters, signal generators, spectrum analyzers, and thousands of other instruments — in our labs or on-site at your facility.
Factory-trained technicians diagnose and repair test equipment across major brands — restoring instruments to manufacturer specifications and re-calibrating before return.
Buy or rent calibrated, ready-to-use test and measurement equipment. Short-term project rentals and certified pre-owned instruments with fresh accredited calibration.
Temperature, humidity, vibration, and environmental compliance testing for products and components — validated in controlled, accredited lab conditions.
NIST-traceable certification for real-time location systems in hospitals and healthcare facilities — keeping patient-critical asset tracking accurate and compliant.
Free expert guides on choosing calibration services, understanding ISO/IEC 17025 certificates, and selecting the right test equipment for your application.
Our A2LA scope of accreditation covers the measurement parameters your quality system depends on. One purchase order, one accredited partner, every instrument.
Every accredited calibration is traceable to NIST and backed by our ISO/IEC 17025:2017 scope — audit-ready documentation, every time.
Download calibration certificates, track instruments, and manage recall schedules any time in the free Techmaster customer portal.
Local courier routes around each of our five labs plus nationwide inbound logistics keep your downtime to a minimum.
Standard 5–7 business day service with expedite options when production can’t wait — plus on-site calibration for large fleets.
Our metrologists and technicians hold decades of combined experience across electrical, RF, dimensional, and physical measurement.
Accredited laboratories in California, Texas, Florida, and North Carolina put expert calibration within reach of every U.S. manufacturer.
From the West Coast to the East Coast — find the Techmaster calibration laboratory nearest you.
Genuine reviews from the engineers and quality managers who trust us with their instruments.
★★★★★“Fast turnaround and flawless ISO 17025 paperwork. Our auditor had zero findings on calibration records this year — that’s a first.”
★★★★★“The online portal alone is worth it. Certificates, due dates, and history for 400+ instruments in one place, available 24/7.”
★★★★★“Their driver picks up on Tuesday and everything is back, calibrated, the following week. Downtime basically disappeared.”
Read the Guide →
Read the Guide →
Read the Guide →
Send us your instrument list and we’ll return an itemized quote — usually within one business day.