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INTRODUCTION
Omega's Model HHF141 digital anemometer is a versatile instrument for
measuring air velocity in various applications such as HVAC, aerospace
development, industrial process airflow, and fluids research.
The rugged yet precise probes can be used for airstreams that have a wide range
of humidity, temperature, and contaminants without compromising accuracy.
Features include choice of probe diameters, custom cable lengths, service
temperatures up to 212˚F (100˚C) at the probe, high reliability, and long life.
This manual has been prepared for both HHF141A (1.00" probe) and HHF141B
(2.75" probe) models including all optional outputs.
IMPORTANT SAFETY INFORMATION
Classifications
Danger: To Prevent Serious Injury or Death
Warnings in this classification indicate danger that may result in serious injury or death if
not observed.
Caution: To Prevent Damage to the Product
Warnings in this classification indicate risks of damage to the product that may void the
product warranty and/or calibration.
Description of Symbols
ESD Caution: To Prevent Damage to the Product
Warnings in this classification indicate risks of damage to the product that may void the
product warranty and/or calibration. Internal components are static sensitive and are not
user serviceable. Opening the cases by a non-authorized service center and/or in a non-
ESD safe environment may cause damage not covered by the manufacturer's warranty.
Important: Mandatory Action Required
The specific action is given near this symbol.
M4745/1222
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