Accredited Venturi Flowmeter Calibration Services

Capabilities That Deliver Accuracy, Confidence, and Compliance

NIST‑traceable Venturi calibration across air, steam, water, natural gas, and specialty fluids

ISO/IEC 17025‑accredited calibration for complete measurement confidence

Full‑system calibration covering primary elements, DP transmitters, and output devices

Digital, fully traceable as‑found/as‑left reporting for audit‑ready compliance

ISO/IEC 17025 Accredited

True SI traceability through NIST

Specialized differential‑pressure flow metrology expertise

Up to 400 gpm primary level flow standards

4,000+ flow meters calibrated annually

Precision Venturi Flow Capabilities You Can Trust

Transcat delivers NIST‑traceable Venturi flow calibration designed to evaluate the complete measurement system—primary element geometry, differential pressure transmitters, and any connected indicators or control devices. Our ISO‑accredited labs and onsite teams ensure your Venturi meters perform with accuracy and stability across their full operating range.

Capabilities include:

Calibration for air, steam, water, natural gas, and process fluids
Primary element dimensional verification for throat, inlet, and profile accuracy
High‑accuracy DP transmitter calibration with multipoint verification
Support for integrated indicators, totalizers, and 4–20 mA control loops
System‑level assessment of density, temperature, and pressure compensation

Comprehensive Support for All Major Venturi Systems

Transcat’s Venturi flow meter calibration expertise allows you to consolidate service providers and streamline your calibration program. We support major manufacturers such as: Rosemount, ABB, Yokogawa, Siemens, Foxboro, and custom Venturi/DP transmitter configurations.

Don’t see your brand of flow meter listed here? Skip the search. Request a quote and we'll take it from there – verifying the brand, type and capability we can offer.

Why Do Venturi Flow Meters Need Calibration?

Venturi flowmeters are highly reliable, but accuracy depends on throat geometry, differential pressure measurement, and fluid properties. Over time, performance can drift as environmental, mechanical, and process conditions change.
Common contributing factors include:

Erosion, corrosion, or scaling on the Venturi throat or inlet

DP transmitter drift or aging sensors

Temperature or pressure variations affecting compensation

Density or viscosity changes impacting flow calculations

Installation issues such as misalignment or vibration

Unchecked, these changes can create incorrect flow reporting, energy inefficiency, compliance issues, and process quality deviations. Routine calibration ensures your Venturi system reflects true flow under actual operating conditions.

Application‑Specific Venturi Flow Calibration for Regulated Industries

Transcat delivers application‑specific Venturi flow meter calibration built around accuracy, traceability, and the operational demands of today’s most regulated environments.