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Design Handbook on Animal Research Facilities Using Static Microisolators 
3. Adjust the higher concentration standard gas using the gain dial to the concentration on 
the tank the flow rate from the tank should read 2.5L/min on the gauge. 
4. Move the intake tube from the standard gas tube to the sample tube. 
5. Record values. 
6. Do not turn the machine off until the end of the day because it takes 30 minutes to warm 
it up. 
Turning off: 
Press the bottom button on the left of the analyzer. 
Wait one minute. 
Press the top button on the left of the analyzer. 
3.3.3 Operating Procedures for Relative Humidity Measurement 
Turn computer on and do not touch the keyboard until you get the C prompt (C:\>). 
At the C prompt (C:\>), type “viewdac” and then hit the enter key. 
At the viewdac copyright window, click “START.” 
At the menu bar at the top of the screen, click “File.” Then click “Open” and then click 
“Sequence.” 
You should see a window in the center of the screen that says “File open for sequence.” 
Go down the list of files until you see the one that says ’’Humidical.seq.” Click on it once and 
then click “OK.” 
At the “Humidical.seq” window, highlight task of “ASCII write,” change name of ASCII file by 
clicking the “edit” button on the “Humidical.seq” window. Name the file: momingdate or 
aftemoondate. 
Click “Start” button on the “Humidical.seq” window to run the program. 
When finished measuring the task, click once on the “Stop” button on the “Humidical.seq” 
window. 
