Series-STRA

Duct Airflow Measurement Station – Accurate HVAC Airflow with Honeycomb

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Honeycomb airflow straightening section with 1/2" opening by 3" depth
Low signal-to-noise ratio
Factory mounted and pre-piped in a flanged duct section (casing)
Standard construction includes galvanized casing and 6063-T5 anodized aluminum flow sensors
Standard airflow stations can be operated (in air) continuously in temperatures up to 350°F or intermittently in temperatures up to 400°F

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Series-STRA

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Product Overview

Accuracy ± 2 %
Accuracy Detail Within 2% of actual flow when installed in accordance with published recommend
Applications HVAC
K-Factor 0.97
Materials, Wetted Aluminum, Steel
Operating Temperature, Max 400 °F
Operating Temperature Note Galvanized casings and aluminum elements 350°F (177°C) continuous operation (in air), 400°F (204°C) intermittent operation (in air)
Process Connection Size 1/4 in
Process Connection Type Compression Fitting
Relative Humidity 0 to 100% Non-Condensing
Velocity, Max 10000 FPM
Velocity, Min 100 FPM

The Series STRA Duct Mounted Airflow Measurement Stations utilize an airflow averaging element generating a velocity pressure signal similar to the orifice, venturi, and other primary elements. Single or multiple airflow elements are factory mounted and pre-piped in a casing designed for flanged connection to the ductwork. Multiple elements are joined together for connection to a differential measurement device (gage, transmitter, etc.) for flow measurement and indication purposes. It has been developed with a honeycomb airflow straightening section for use in duct systems having highly turbulent conditions at the point of measurement.