Air Velocity Calibration Services

General dilution ventilation and local exhaust ventilation systems keep your workforce safe only if they are operating effectively.  We are with you for properly maintaining your anemometers whether they are rotating, thermal, swinging vane, or pitot/manometer instrumentation.  Numerous wind tunnel systems by GDJ, TSI, and Omega drive the airflow under pressure controlled environmental systems at CIH.  Low flows of less than 1,000 fpm are achieved by orifice plates and higher speeds are generated up to 9,000 fpm to handle the most common specifications.  Our laboratory is also capable of calibrating added functions like relative humidity, temperature, carbon monoxide and carbon dioxide.  All functions are traceable to NIST in our A2LA ISO 17025-2017 accredited laboratory.
Range: 100-9,000 fpm
CIH Equipment Company offers air velocity calibrations for all of these instruments to ensure proper velocity, temperature, relative humidity and accurate pressure readings. We have several calibration wind tunnels (CDJ/Omegas) that are capable of 100-9000 fpm and are traceable to NIST. This lab is also a part of our A2LA ISO 17025 scope of accreditation.
Our Calibration Procedure Includes:
-  Velocity comparison to NIST traceable standards
-  Function check of fault sensors
-  Ability to calibrate other sensors RH, T, Pressure, CO, CO2
-  Batteries tested at the manufacturer's specified flow & static pressure

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