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Introduction
Features
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Congratulations on your purchase of the Extech HD350. This handheld meter measures and
displays air velocity (speed), air flow (volume), ambient air temperature, and gauge/differential
pressure. This meter is shipped fully tested and calibrated and, with proper use, will provide years
of reliable service.
Pitot tube Anemometer measurements for Air Velocity and Air Flow (volume).
Manometer (Differential Pressure) Measurements.
Simultaneous display of Air Flow or Air Velocity, Temperature, and Pressure.
5 selectable pressure units of measure.
Record up to ninety-nine (99) readings
measurement types (Air Velocity, Air Flow, and Pressure) for a total of 297 readings.
USB port for connection to a Personal Computer (PC) for real time datalogging of up to 5500
readings stored on the PC.
Large backlit LCD display.
Data Hold and Maximum, Minimum, Average memory (MIN/MAX/AVG).
Auto Power OFF (can be disengaged).
GlobalTestSupply
www.
for each of the three
2
HD350-en-GB_V3.4 2/19
.com
sales@GlobalTestSupply.com
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