ISO/IEC 17025 humidity calibration that passes inspections

Hygrometers, humidity meters, thermo-hygrometers, dew-point meters, and humidity reference instruments 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.

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 Humidity

Allometrics' humidity calibration covers (20 to 70) % RH at 2.1 % RH uncertainty using the Fluke 2626-S reference, suitable for cleanroom, stability chamber, and HVAC monitoring applications.

  • Humidity meters and hygrometers — handheld and benchtop
  • Thermo-hygrometers — combined temperature + humidity
  • Dew-point meters — process and laboratory
  • Psychrometers — sling and powered
  • Humidity dataloggers — pharmaceutical, cold-chain, environmental
  • Cleanroom and stability chamber humidity sensors — installed instruments

Servicing major manufacturers including Vaisala, Fluke, Rotronic, Testo, Edgetech, Michell, General Eastern and many others.


Schedule onsite humidity calibration before your next audit

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

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 — humidity 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, 5, 7 (±)Comments
Humidity3 – Measure (20 to 70) % RH 2.1 % RH Fluke 2626-S
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.

or call (281) 474-3329