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The HHF1000 series air velocity/temperature meter is intended for use with
clean air or Nitrogen ONLY. Do not use with other gases, as it will produce an
un-calibrated and non-linear display measurement. In addition, air carrying dust
or oil (such as found in blower/compressor systems that utilize oil) can lead to
coating of the sensor and thus inaccurate readings. Refer to the Maintenance
section (page 4-3) for information on cleaning the sensor.
The HHF1000 is a bi-directional device, meaning the air flow in the forward or
reverse direction provides the same readings.
Introduction
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