Typical Data File; Settings Menu - Omega HHF1001A User Manual

4
PC Interface
Figure 4-3 shows the Settings menu. You can set the following parameters:
When the "Save to File" is selected (Default), the program asks if you would
like to save the data to a file when you stop the data logging, Figure 4-2 shows a
typical data file saved.
Maintenance
Except for intermittent removal of the sensor from the line for cleaning, there is
no routine maintenance for the HHF1000. If the sensor probe becomes coated
with dust, blow the dust away with clean air. If the sensor probe is coated with
sticky material, clean it with water or alcohol (Ethanol) using an artist's brush.
Calibration
Each HHF1000 is individually calibrated in a NIST traceable wind tunnel. For
calibration certification or calibrating to a new air flow range, the unit must be
returned back to the factory.
4-3
• COM port number on your PC.
• Baud rate selection (9600 or 115200) Select 9600 for the HHF1001/
HHF1001W.
• Turn the audible indicator on/off.
• Engineering units for air velocity and temperature
• Select chart time base from 1 minute per frame (screen), 10 minutes, or
one hour.
• Select manual, auto, or logarithmic scale of the air velocity or
temperature. This function allows the user to set the Y scale for the air
velocity and temperature to any value within its range.
• Select Save to file, History viewer, and Maximize start up.
Figure 4-3. Settings Menu Screen