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ISO/IEC 17025 time and frequency calibration that passes inspections

Stopwatches, timers, frequency counters, signal generators, and time-and-frequency equipment calibrated to NIST traceability. ISO 17025 accredited by A2LA. Trusted by 1,800+ regulated facilities across the southern U.S. and nationwide. Fast scheduling for audit deadlines and failed equipment.

Schedule onsite calibration Get a quote or call (281) 474-3329
Founded 1976 · 1,800+ accounts · Southern U.S. with nationwide field service
Fast schedulingMulti-site coordinationFail-and-respond service24-hour quote turnaround
A2LA Accredited Symbol — Cert 2039.01
A2LA · Cert 2039.01 · Allometrics, Inc.
ISO/IEC 17025:2017 calibration
Valid through April 30, 2027

What we calibrate under Time & Frequency

Allometrics' time and frequency calibration covers 0.01 Hz to 225 MHz using Fluke 5522A and Agilent 53132A references, with time measurement to 86,400 s.

  • Stopwatches and timers — laboratory, industrial, sports
  • Frequency counters and frequency meters — RF and signal
  • Signal generators (function generators) — DC to MHz
  • Time-of-flight measurement equipment — process and laboratory

Servicing major manufacturers including Fluke, Agilent / Keysight, Tektronix, Witschi, Control Company, Stanford Research Systems and many others.

→ [Browse the full equipment list](../equipment-list/)

Schedule onsite time and frequency calibration before your next audit

A2LA-accredited under Cert 2039.01. NIST traceability. Audit-survivable certificates. One number, one team.

Schedule onsite calibration Get a quote
or call (281) 474-3329

Why Allometrics

A2LA-accredited under ISO/IEC 17025. Cert 2039.01. Continuous accreditation through every revision of the standard. Replace 3–5 vendors with one accredited partner — calibration, cleanroom certification, biosafety, and viables under one accreditation chain. 50 years of regulated-environment experience since 1976. Onsite or cal lab — your choice.

A2LA Cert 2039.01 — time and frequency scope

The full scope is published at a2la.org/accreditation/2039-01.

Download the full A2LA Cert 2039.01 Scope of Accreditation
View the full A2LA mass scope (verbatim from the published cert)
Parameter/EquipmentRangeCMC2, 4, 7 (±)Comments
Frequency – Generate 0.01 Hz to 2.0 MHz 2.5 parts in 106 + 5 µHz Fluke 5522A
Frequency – Measure DC to 225 MHz 0.10 Hz Agilent 53132A
Time – Measure Up to 86 400 s Up to 36 000 s 6.1 parts in 106 per s 10 parts in 106 + 120 ms Witschi HT74, Control Company 1048
Excerpt from Allometrics' published A2LA Scope of Accreditation, Cert 2039.01
One vendor.
One schedule.
One audit trail.

Schedule calibration before your next audit

Quote requests, recurring program enrollment, fail-and-respond service, multi-site coordination — one number, one team, one accreditation chain.

Schedule onsite calibration Get a quote
or call (281) 474-3329

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