Dwyer Calibration Services
Magnehelic is practically a common noun — and the low-pressure measurements it makes are audit items.
ACS Calibration delivers NIST-traceable, audit-ready calibration for Dwyer instruments, available at the ACS central lab or directly on-site at facilities across the Southeast — with ISO/IEC 17025 accredited certificates available on request for instruments on our accredited scope.
Dwyer Equipment, Calibrated With Data
Dwyer’s Magnehelic differential pressure gauges watch filter loading, room pressurization, and airflow across every hospital, cleanroom, and HVAC system in the country — plus manometers and transmitters doing the same quiet work. Low-pressure measurement is exactly where our accredited sub-psi capability earns its keep.
We calibrate Dwyer gauges and instruments under our accredited pressure scope — from fractions of an inch of water column through the full range — with as-found and as-left data per point.
ACS Calibration is an independent ISO/IEC 17025 accredited calibration laboratory. We are not affiliated with, sponsored by, or endorsed by Dwyer; brand names are used solely to identify equipment we service.
What You Get With Every Calibration
- NIST-traceable calibration certificate with real measurement data — not just a pass/fail sticker
- As-found and as-left readings, so drift is documented
- ISO/IEC 17025 accredited certificate with reported uncertainty — on request
- Calibration label with due date, plus a reminder before your next calibration is due
Why Companies Choose ACS for Dwyer Calibration
NIST-Traceable, Accredited on Request
Every calibration is NIST-traceable with real measurement data, and ISO/IEC 17025 accredited certificates are available on request for instruments on our accredited scope.
4–6 Business Day Typical Turnaround
Keep production moving. Most instruments are typically completed in 4 to 6 business days from arrival, with rush options available when a line is down.
Flexible Logistics
Mail your instruments in, or schedule onsite calibration and we come to your floor — serving Alabama, Florida, Georgia, Mississippi, Tennessee, South Carolina, and beyond.