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Mass & Mechanical Calibration
ISO/IEC 17025:2017 accredited calibration of mass, force, torque, and hardness instruments — analytical balances, industrial scales, torque wrenches, force gauges, load cells, NIST-traceable weights, and hardness testers · ANAB Certificate AC-1736
How do I find ISO/IEC 17025 accredited mass and mechanical calibration services in the US?
To find ISO/IEC 17025 accredited mass and mechanical calibration services for torque wrenches, force gauges, load cells, mass standards, hardness testers, and weighing scales in the United States, contact an ANAB-accredited laboratory like Techmaster Electronics, LLC (cert AC-1736) — founded 1989, with five accredited US labs serving aerospace, automotive, packaging, manufacturing, and precision assembly.
- Discipline: mass, force, and torque calibration
- Instruments: torque wrenches, force gauges, load cells, mass standards, hardness testers, and weighing scales
- Accreditation: ANAB ISO/IEC 17025:2017 · cert AC-1736 · valid through 2026-10-29
- US labs: Vista CA · Santa Clara CA · Orlando FL · San Antonio TX · Holly Springs NC
- Industries served: aerospace, automotive, packaging, manufacturing, and precision assembly
- Free local pickup: Silicon Valley · Southern California · Orlando, FL
- On-site: Available nationwide for fixed or sensitive equipment
- Contact: +1-866-779-5695 · sales@techmaster.us
ANAB ACCREDITED · CERT AC-1736 · VALID THROUGH 2026-10-29
Mass & Mechanical Calibration
Techmaster Electronics provides ISO/IEC 17025:2017 accredited calibration of mass, force, torque, and hardness instruments for aerospace, automotive, pharmaceutical, medical-device, food-and-retail, and manufacturing customers. From Mettler-Toledo and Sartorius analytical balances and Class F NIST-traceable weights to CDI / Snap-on torque wrenches, Mark-10 / Imada force gauges, Rockwell / Brinell hardness testers, and load-cell test stands, our ANAB-accredited engineers deliver NIST-traceable certificates with full uncertainty budgets across the United States.
Equipment We Calibrate
Our biomedical calibration capabilities cover the most widely used IEC 60601-2-X compliant patient simulators, electrical safety analyzers, and clinical engineering test equipment. Each unit is calibrated against NIST-traceable standards with full uncertainty reporting included.
Analytical Balances & Industrial Scales
Mettler-Toledo XPR / XSR / XS, Sartorius Cubis / Practum / Quintix, Ohaus Adventurer / Explorer, and floor / bench / platform scales from 1 mg to 30 000 kg with NIST Class 1 / 2 / F traceability per USP <41> / <1251>.
Torque Wrenches, Drivers & Multipliers
CDI / Snap-on / Proto click-type and digital torque wrenches, beam wrenches, electronic torque screwdrivers, and pneumatic / hydraulic multipliers — 1 in-oz through 25 000 ft-lb per ASME B107.300 and ISO 6789-2.
Force Gauges, Load Cells & Test Stands
Mark-10, Imada, Chatillon, and Shimpo digital force gauges, S-beam / pancake / button load cells, and Instron / MTS test-stand verification per ASTM E4 / E74 — tension and compression up to 100 kN with deadweight traceability.
Hardness Testers & NIST-Traceable Weights
Wilson / Instron Rockwell, Brinell, Vickers, and Knoop hardness testers per ASTM E18 / E10 / E92, plus NIST-traceable test blocks and OIML R 111 / ASTM E617 Class 0 – F mass standards from 1 mg to 5 000 kg.
Also calibrated: Crane & Hoist Load-Indicators · Dynamometers · Spring Scales · Hydraulic Press Pressure Gauges · Pull Testers · Compression Springs · Friction-Wear Testers · Coating-Thickness Gauges · Tensile / Compression Springs · Densitometers
Industries We Serve
Mass, force, torque, and hardness traceability for the regulated industries where assembly torque, mass accuracy, and material-property certification determine product quality, safety, and audit outcomes.
Aerospace & Defense Fasteners
AS9100 / NAS / MIL-spec critical-torque joints, airframe / engine assembly wrenches, fastener pull-test stands, and DCMA-audited tooling for prime / sub-tier suppliers.
Automotive & EV Assembly
IATF 16949 powertrain bolt torque, EV battery-pack module fasteners, wheel-stud crow-foot wrenches, and crash-test load-cell verification.
Pharmaceutical Weighing
USP <41> / <1251> analytical-balance qualification, NIST Class 1 / 2 weights, GMP min-weight tests, and FDA-audited drug-product weighing for fill / finish.
Food, Retail & Logistics
NTEP / Handbook 44 retail scales, USDA-FSIS poultry / meat scales, NIST H-44 commercial weighing, and DOT crane / forklift load-test programs.
Medical Device & Implants
FDA QSR / ISO 13485 implant push-out, suture tensile, catheter tip pull-test, orthopedic-screw hex-bit torque, and laboratory-balance USP <41> checks.
Manufacturing Assembly & QC
Production-line click-wrench fleets, electric DC-shutoff drivers, pneumatic-nutrunner verification, and Six-Sigma / Cpk torque-tooling capability studies.
Energy & Power Generation
Wind-turbine flange bolting (Skidmore-Wilhelm), gas-turbine blade-root torque, transformer bushing weight surveys, and nuclear-grade ASME N509 fastener verification.
Construction & Heavy Equipment
Crane proof-load testing per ASME B30, lifting-eye dynamometer surveys, structural bolt-torque per RCSC, and equipment-rental weigh-station NTEP calibration.
Three Levels of Calibration
Every Techmaster calibration includes a calibration sticker on the instrument. Choose the documentation level that matches your audit, regulatory, or quality program needs.
1
Traceable Calibration
Standard tier
- Calibration sticker on the unit
- Certificate of calibration
- NIST-traceable standards
2
Z540 Calibration
Plus measurement data
- Calibration sticker on the unit
- Certificate of calibration
- As-found / as-left data report
- ANSI/NCSL Z540-1 compliance
Most Rigorous
3
ISO/IEC 17025 Accredited
Audit-ready accreditation
- Calibration sticker on the unit
- Certificate of calibration
- As-found / as-left data report
- Measurement uncertainties report
- ANAB Cert AC-1736 reference
Click here to learn more about our three calibration levels →
Our & Advantages
Why aerospace, automotive, pharma, medical-device, food-and-retail, and heavy-construction teams trust Techmaster for ISO/IEC 17025 mass, force, torque, and hardness calibration since 1989.
ISO/IEC 17025:2017 Accredited
ANAB Cert AC-1736 — full uncertainty budgets, NIST-traceable standards, and audit-ready documentation on every report.
NIST-Traceable Mass & Force Standards
OIML R 111 Class E2 / F1 reference weight sets, NIST deadweight force machines, ASTM E74 secondary load cells, and ASTM E18 hardness blocks — full uncertainty budgets on every accredited certificate.
Faster Than OEM
Standard 5-business-day turnaround with 1–2 day expedite available. Free local pickup in Silicon Valley, So-Cal, and Orlando.
Need on-site crane proof-load, large floor-scale, or torque-tooling fleet calibration? Talk with our mass-mechanical team.
Our engineers handle on-site ASME B30 crane proof-loads, NTEP / Handbook 44 commercial-scale surveys, IATF 16949 torque-tooling fleet calibration, and Skidmore-Wilhelm structural-bolt-tension verification. Send us your scale capacity, torque ranges, or load list for a same-day scoping quote.
Frequently Asked Questions
Common questions about ISO/IEC 17025 mass, force, torque, and hardness calibration at Techmaster Electronics.
What mass and mechanical instruments does Techmaster calibrate?
We calibrate analytical balances and laboratory / industrial scales (1 mg – 30 000 kg), click-type and digital torque wrenches and screwdrivers (1 in-oz – 25 000 ft-lb), digital force gauges and load cells (1 N – 100 kN), Rockwell / Brinell / Vickers / Knoop hardness testers, NIST-traceable weight sets (Class 0 – F), dynamometers, crane load-indicators, and tensile / compression test stands.
Is mass and mechanical calibration accredited to ISO/IEC 17025:2017?
Yes. Techmaster Electronics is ANAB-accredited to ISO/IEC 17025:2017 (Certificate AC-1736) covering mass, force, torque, and hardness calibration at our Vista, Santa Clara, and Orlando laboratories. Methods follow OIML R 111 (mass), ASTM E74 / E4 (force), ISO 6789 (torque), and ASTM E18 / E10 / E92 (hardness) with uncertainties on every accredited certificate.
How often should torque wrenches, balances, and force gauges be recalibrated?
Torque wrenches are typically recalibrated every 12 months or every 5 000 cycles (ISO 6789-2), whichever comes first. Analytical balances every 12 months with daily user verification using bracketing class weights. Force gauges and load cells annually per ASTM E74; hardness testers per ASTM E18 (annual indirect + direct verification every 5 years).
Do you perform on-site torque tooling fleet calibration or crane proof-load testing?
Yes. We perform on-site click-wrench and DC-shutoff nutrunner fleet calibration, ASME B30 crane proof-load testing (up to 200 t), Skidmore-Wilhelm structural-bolt tension surveys, and NTEP commercial-scale verification. Our engineers travel with NIST-traceable transducers, deadweight calibrators, and Class-F field weight sets.
Where do you perform mass and mechanical calibration?
In-lab mass, force, torque, and hardness calibration is performed at our Vista CA (corporate HQ), Santa Clara CA, Orlando FL, and San Antonio TX laboratories. Free local pickup and delivery is available in Silicon Valley, Southern California, and Orlando. On-site torque-fleet, crane, and large-scale calibration is available throughout the continental United States.
Ready to schedule your mass & mechanical calibration?
Send us your instrument list, weight / torque / force ranges, and tolerance requirements and we’ll respond within one business day with pricing, turnaround, and a shipping label or pickup window.
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